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;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }.tw-absolute{position:absolute}.tw-relative{position:relative}.tw-inset-x-0{left:0;right:0}.tw-top-0{top:0}.tw-z-30{z-index:30}.tw-mx-auto{margin-left:auto;margin-right:auto}.tw-flex{display:flex}.tw-w-full{width:100%}.tw-max-w-\[var$--spacing-page-width$\]{max-width:var(--spacing-page-width)}.tw-items-center{align-items:center}.tw-justify-end{justify-content:flex-end}.tw-gap-2{gap:.5rem}.tw-gap-3{gap:.75rem}.tw-rounded-md{border-radius:.375rem}.tw-bg-\[\#232329\]{--tw-bg-opacity: 1;background-color:rgb(35 35 41 / var(--tw-bg-opacity))}.tw-px-3{padding-left:.75rem;padding-right:.75rem}.tw-px-4{padding-left:1rem;padding-right:1rem}.tw-py-2{padding-top:.5rem;padding-bottom:.5rem}.tw-text-\[\#BBBBBF\]{--tw-text-opacity: 1;color:rgb(187 187 191 / var(--tw-text-opacity))}.tw-backdrop-blur-2xl{--tw-backdrop-blur: blur(40px);-webkit-backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia)}#fern-header a{font-size:16px!important;font-family:Inter,sans-serif!important}@media (min-width: 768px){.md\:tw-px-6{padding-left:1.5rem;padding-right:1.5rem}}@media (min-width: 1024px){.lg\:tw-px-8{padding-left:2rem;padding-right:2rem}} </style><style id="__jsx-1533687371">:root{ --header-offset: 108px}@media(max-width:1024px){:root{--header-offset:64px}}</style></head><body 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group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Voice Agent</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/pre-recorded-audio"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Speech to Text</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/tts-rest"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Text to Speech</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/audio-intelligence"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Intelligence</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="active" href="/reference/deepgram-api-overview"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">API Ref</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/make-your-first-api-request"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Guides</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/deepgram-sdks"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">SDKs</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/self-hosted-introduction"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Self-Hosted Deployments</span></div></a></li><li><a class="min-h-[32px] lg:min-h-[36px] group/tab-button hover:t-accent flex min-w-0 flex-1 select-none items-center justify-start rounded-lg py-2 text-base group-hover/tab-button:transition lg:px-3 lg:text-sm data-[state=inactive]:t-muted data-[state=active]:t-accent" data-state="inactive" href="/docs/security-policy"><div class="flex min-w-0 items-center justify-start space-x-4"><div class="min-w-fit"><div class="bg-card-surface ring-border-default group-hover/tab-button:bg-tag-primary group-hover/tab-button:ring-accent/70 group-data-[state=active]/tab-button:bg-accent group-hover/tab-button:group-data-[state=active]/tab-button:bg-accent flex size-6 items-center justify-center rounded-md shadow-sm ring-1 group-data-[state=active]/tab-button:ring-0"><span class="bg-faded group-hover/tab-button:bg-accent group-data-[state=active]/tab-button:bg-background group-hover/tab-button:group-data-[state=active]/tab-button:bg-background size-4 fa-icon" style="mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");mask-repeat:no-repeat;mask-position:center center;-webkit-mask-image:url("https://icons.ferndocs.com/solid/book-open.svg");-webkit-mask-repeat:no-repeat;-webkit-mask-position:center center"></span></div></div><span class="truncate font-medium group-data-[state=active]/tab-button:font-semibold">Security</span></div></a></li></ul><ul class="fern-sidebar-group"><li class="mt-6"><div class="fern-sidebar-heading"><span class="fern-sidebar-heading-content">General</span></div><ul class="fern-sidebar-group"><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/reference/deepgram-api-overview"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Deepgram API Overview</span></span></a></div></li><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/reference/authentication"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Authentication</span></span></a></div></li><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/reference/errors"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Errors</span></span></a></div></li><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/reference/api-rate-limits"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">API Rate Limits</span></span></a></div></li></ul></li><li class="mt-6"><div class="fern-sidebar-heading"><span class="fern-sidebar-heading-content">API Reference</span></div><ul class="fern-sidebar-group"><li><ul class="fern-sidebar-group"><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Voice Agent API</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="open"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Speech to Text API</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon rotate-0"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div><ul class="fern-sidebar-group" data-state="open" id="radix-:R2qkcoum:"><li><div class="fern-sidebar-link-container" data-state="inactive"><a class="fern-sidebar-link" href="/reference/speech-to-text-api/listen"><div class="fern-sidebar-link-indent"></div><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span data-badge-type="http-method" data-http-method="POST" class="fern-docs-badge small blue subtle">POST</span></span><span class="fern-sidebar-link-text"><span class="">Pre-Recorded Audio</span></span></span></a></div></li><li><div class="fern-sidebar-link-container" data-state="active"><a class="fern-sidebar-link" href="/reference/speech-to-text-api/listen-streaming"><div class="fern-sidebar-link-indent"></div><span class="fern-sidebar-link-content"><span class="fern-sidebar-icon"><span data-badge-type="http-method" data-http-method="GET" class="fern-docs-badge small green solid">WSS</span></span><span class="fern-sidebar-link-text"><span class="">Live Audio</span></span></span></a></div></li></ul></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Text to Speech API</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Text Intelligence API</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Management API</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li><li><div data-state="closed"><div class="fern-sidebar-link-container" data-state="inactive"><button class="fern-sidebar-link"><span class="fern-sidebar-link-content"><span class="fern-sidebar-link-text">Self-Hosted API</span></span><span class="fern-sidebar-link-expand opacity-50 transition-opacity group-hover:opacity-80" data-state="inactive"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon-md lg:size-icon -rotate-90"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></li></ul></li></ul></li></ul></div></div></div></nav><div class="fern-main"><div class="fern-endpoint-content" id="/reference/speech-to-text-api/listen-streaming"><article class="scroll-mt-content max-w-content-width md:max-w-endpoint-width mx-auto border-default mb-px border-b pb-20"><header class="space-y-1 pt-8"><div><span class="fern-breadcrumb"><a class="fern-breadcrumb-item" href="/reference/voice-agent-api/agent">API Reference</a><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="fern-breadcrumb-arrow"><path d="M9 6L15 12L9 18" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><a class="fern-breadcrumb-item" href="/reference/speech-to-text-api/listen">Speech to Text API</a></span></div><div><h1 class="fern-page-heading">Live Audio</h1></div></header><div class="md:grid md:grid-cols-2 md:gap-8 lg:gap-12"><section class="max-w-content-width space-y-12 py-8"><main class="space-y-12"><section number="1" id="/reference/speech-to-text-api/listen-streaming#handshake" class="border-default divide-default -mx-4 divide-y rounded-xl border"><div class="bg-tag-default-soft space-y-4 rounded-t-[inherit] p-4 last:rounded-b-[inherit]"><h2 class="relative mt-0 flex items-center" data-state="closed"><span class="flex w-full items-center justify-between"><div class="inline-flex items-center gap-2">Handshake<span class="bg-tag-default inline-block rounded-full p-1"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="t-muted size-icon"><path d="M12 19.51L12.01 19.4989" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M2 8C8 3.5 16 3.5 22 8" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M5 12C9 9 15 9 19 12" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M8.5 15.5C10.7504 14.1 13.2498 14.0996 15.5001 15.5" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></div><button tabindex="0" data-state="closed" aria-disabled="false" aria-description="Opens the API Explorer" class="md:hidden fern-button filled small primary"><span class="fern-button-content"><span class="fern-button-text font-mono tracking-tight">Try it</span><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor"><path d="M6.90588 4.53682C6.50592 4.2998 6 4.58808 6 5.05299V18.947C6 19.4119 6.50592 19.7002 6.90588 19.4632L18.629 12.5162C19.0211 12.2838 19.0211 11.7162 18.629 11.4838L6.90588 4.53682Z" fill="currentColor" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></span></h2><div class="border-default -mx-2 flex items-center justify-between rounded-xl border px-2 py-1 transition-colors"><div class="fern-x-overflow right-mask flex min-w-0 max-w-full shrink flex-col items-start flex-1"><div class="flex items-center gap-1 pr-2 max-w-full"><span data-badge-type="http-method" data-http-method="GET" class="fern-docs-badge large green subtle">GET</span><div class="fern-endpoint-url"><span class="inline-flex shrink items-baseline cursor-default rounded-md p-1"><button class="flex items-center" data-state="closed"><span class="font-mono text-xs"><span class="whitespace-nowrap max-sm:hidden"><span class="max-sm:hidden"><span class="whitespace-nowrap font-mono max-sm:hidden"><span class="t-muted p-0 text-sm hover:shadow-lg">wss://api.deepgram.com</span></span></span></span><span class="text-faded">/</span><span class="text-faded whitespace-nowrap">v1</span><span class="text-faded">/</span><span class="text-faded whitespace-nowrap">listen</span></span></button></span></div></div></div><button tabindex="0" data-state="closed" aria-disabled="false" class="fern-copy-button group -mr-1 fern-button minimal normal rounded square"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor"><path d="M19.4 20H9.6C9.26863 20 9 19.7314 9 19.4V9.6C9 9.26863 9.26863 9 9.6 9H19.4C19.7314 9 20 9.26863 20 9.6V19.4C20 19.7314 19.7314 20 19.4 20Z" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M15 9V4.6C15 4.26863 14.7314 4 14.4 4H4.6C4.26863 4 4 4.26863 4 4.6V14.4C4 14.7314 4.26863 15 4.6 15H9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div><div class="space-y-12 p-4"><div id="/reference/speech-to-text-api/listen-streaming#request.headers" class="scroll-mt-content"><h3 class="relative mt-0 flex items-center mb-3" data-state="closed">Headers</h3><div class="flex flex-col"><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.headers.Authorization" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">Authorization</span><span class="fern-api-property-meta"><span>string</span><span class="t-danger">Required</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>API key for authentication. Format should be token <DEEPGRAM_API_KEY></p></div></div></div></div></div><div id="/reference/speech-to-text-api/listen-streaming#request.query" class="scroll-mt-content"><h3 class="relative mt-0 flex items-center mb-3" data-state="closed">Query parameters</h3><div class="flex flex-col"><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.callback" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">callback</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>URL to which we’ll make the callback request</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.callback_method" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">callback_method</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>POST</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>HTTP method by which the callback request will be made</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>POST</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>GET</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>PUT</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>DELETE</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.channels" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">channels</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span><span>Defaults to <code>1</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>The number of channels in the submitted audio</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.diarize" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">diarize</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Recognize speaker changes. Each word in the transcript will be assigned a speaker number starting at 0</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.diarize_version" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">diarize_version</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span><span>Defaults to <code>v2</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Version of the diarization feature to use. Only used when the diarization feature is enabled (<code>diarize=true</code> is passed to the API)</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.dictation" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">dictation</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Identify and extract key entities from content in submitted audio</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.encoding" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">encoding</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Specify the expected encoding of your submitted audio</p></div><div class="internal-type-definition-container text-sm enum-container"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:Rsfu9j8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 8 enum values</span></span></button><div data-state="closed" id="radix-:Rsfu9j8um:" hidden="" class="fern-collapsible"></div></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.endpointing" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">endpointing</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span><span>Defaults to <code>10</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Indicates how long Deepgram will wait to detect whether a speaker has finished speaking or pauses for a significant period of time. When set to a value, the streaming endpoint immediately finalizes the transcription for the processed time range and returns the transcript with a speech_final parameter set to true. Can also be set to false to disable endpointing</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.extra" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">extra</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Arbitrary key-value pairs that are attached to the API response for usage in downstream processing</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.filler_words" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">filler_words</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Filler Words can help transcribe interruptions in your audio, like “uh” and “um”</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.interim_results" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">interim_results</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Specifies whether the streaming endpoint should provide ongoing transcription updates as more audio is received. When set to true, the endpoint sends continuous updates, meaning transcription results may evolve over time</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.keyterm" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">keyterm</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Key term prompting can boost or suppress specialized terminology and brands. Only compatible with Nova-3</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.keywords" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">keywords</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Keywords can boost or suppress specialized terminology and brands</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.language" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">language</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>en</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>The <a class="fern-mdx-link" target="_blank" rel="noreferrer" href="https://tools.ietf.org/html/bcp47">BCP-47 language tag<svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="external-link-icon"><path d="M21 3L15 3M21 3L12 12M21 3V9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M21 13V19C21 20.1046 20.1046 21 19 21H5C3.89543 21 3 20.1046 3 19V5C3 3.89543 3.89543 3 5 3H11" stroke="currentColor" stroke-linecap="round"></path></svg></a> that hints at the primary spoken language. Depending on the Model you choose only certain languages are available</p></div><div class="internal-type-definition-container text-sm enum-container"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:Rstu9j8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 56 enum values</span></span></button><div data-state="closed" id="radix-:Rstu9j8um:" hidden="" class="fern-collapsible"></div></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.model" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">model</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>AI model to use for the transcription</p></div><div class="internal-type-definition-container text-sm enum-container"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:Rsvu9j8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 29 enum values</span></span></button><div data-state="closed" id="radix-:Rsvu9j8um:" hidden="" class="fern-collapsible"></div></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.multichannel" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">multichannel</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Transcribe each audio channel independently</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.numerals" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">numerals</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Convert numbers from written format to numerical format</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.profanity_filter" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">profanity_filter</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Profanity Filter looks for recognized profanity and converts it to the nearest recognized non-profane word or removes it from the transcript completely</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.punctuate" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">punctuate</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Add punctuation and capitalization to the transcript</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.redact" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">redact</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Redaction removes sensitive information from your transcripts</p></div><div class="internal-type-definition-container text-sm enum-container"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:Rt9u9j8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 6 enum values</span></span></button><div data-state="closed" id="radix-:Rt9u9j8um:" hidden="" class="fern-collapsible"></div></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.replace" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">replace</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Search for terms or phrases in submitted audio and replaces them</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.sample_rate" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">sample_rate</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Sample rate of submitted audio. Required (and only read) when a value is provided for encoding</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.search" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">search</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Search for terms or phrases in submitted audio</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.smart_format" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">smart_format</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Apply formatting to transcript output. When set to true, additional formatting will be applied to transcripts to improve readability</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.tag" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">tag</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Label your requests for the purpose of identification during usage reporting</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.utterance_end" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">utterance_end</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Indicates how long Deepgram will wait to send an UtteranceEnd message after a word has been transcribed. Use with interim_results</p></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.vad_events" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">vad_events</span><span class="fern-api-property-meta"><span>enum</span><span>Optional</span><span>Defaults to <code>false</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Indicates that speech has started. You’ll begin receiving Speech Started messages upon speech starting</p></div><div class="internal-type-definition-container text-sm enum-container"><div class="t-muted flex items-baseline gap-2"><span class="shrink-0 text-sm"> Allowed values: </span><span class="inline-flex flex-wrap gap-2"><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>true</span></span><span class="t-default bg-tag-default hover:bg-tag-default-hover flex cursor-default items-center font-mono text-xs h-6 rounded-lg px-2 py-1"><span>false</span></span></span></div></div></div></div><div class="flex flex-col"><div class="bg-border-default h-px"></div><div id="/reference/speech-to-text-api/listen-streaming#request.query.version" class="scroll-mt-content-padded relative flex flex-col gap-2 py-3"><span class="inline-flex items-baseline gap-2" data-state="closed"><span class="fern-api-property-key">version</span><span class="fern-api-property-meta"><span>string</span><span>Optional</span><span>Defaults to <code>latest</code></span></span></span><div class="!t-muted prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Version of an AI model to use</p></div></div></div></div></div></div></section><div id="/reference/speech-to-text-api/listen-streaming#send" class="scroll-mt-content"><h2 class="relative mt-0 flex items-center mb-3" data-state="closed"><span class="inline-flex items-center gap-2">Send<span class="t-success bg-tag-success inline-block rounded-full p-1"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon"><path d="M12 21L12 3M12 3L20.5 11.5M12 3L3.5 11.5" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></span></h2><div class="flex flex-col py-3"><div class="flex flex-col gap-2"><div class="t-muted flex items-center gap-2"><div class="border-default flex size-6 items-center justify-center rounded border" style="font-size:6px">abc</div><span class="t-muted inline-flex items-baseline gap-2 text-xs">string</span></div><div class="prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>Raw audio data to be transcribed. Should be sent as a binary WebSocket message without base64 encoding</p></div></div></div><div class="flex h-px items-center gap-2"><div class="flex-1 bg-border-default h-px"></div><div class="t-muted">OR</div><div class="flex-1 bg-border-default h-px"></div></div><div class="flex flex-col py-3"><div class="flex flex-col gap-2"><div class="t-muted flex items-center gap-2"><span class="t-default font-mono text-sm">Listen Control Messages Request</span><span class="t-muted inline-flex items-baseline gap-2 text-xs">object</span></div><div class="internal-type-definition-container text-sm"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:R1vdj8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 3 variants</span></span></button><div data-state="closed" id="radix-:R1vdj8um:" hidden="" class="fern-collapsible"></div></div></div></div></div></div><div id="/reference/speech-to-text-api/listen-streaming#receive" class="scroll-mt-content"><h2 class="relative mt-0 flex items-center mb-3" data-state="closed"><span class="inline-flex items-center gap-2">Receive<span class="t-accent-aaa bg-tag-primary inline-block rounded-full p-1"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon"><path d="M12 3L12 21M12 21L20.5 12.5M12 21L3.5 12.5" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></span></h2><div class="flex flex-col py-3"><div class="flex flex-col gap-2"><div class="t-muted flex items-center gap-2"><span class="t-default font-mono text-sm">Transcription Response</span><span class="t-muted inline-flex items-baseline gap-2 text-xs">object</span></div><div class="internal-type-definition-container text-sm"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:R6nhj8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 9 properties</span></span></button><div data-state="closed" id="radix-:R6nhj8um:" hidden="" class="fern-collapsible"></div></div></div></div></div><div class="flex h-px items-center gap-2"><div class="flex-1 bg-border-default h-px"></div><div class="t-muted">OR</div><div class="flex-1 bg-border-default h-px"></div></div><div class="flex flex-col py-3"><div class="flex flex-col gap-2"><div class="t-muted flex items-center gap-2"><span class="t-default font-mono text-sm">Control Message Response</span><span class="t-muted inline-flex items-baseline gap-2 text-xs">object</span></div><div class="internal-type-definition-container text-sm"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:R7nhj8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 3 variants</span></span></button><div data-state="closed" id="radix-:R7nhj8um:" hidden="" class="fern-collapsible"></div></div></div></div></div><div class="flex h-px items-center gap-2"><div class="flex-1 bg-border-default h-px"></div><div class="t-muted">OR</div><div class="flex-1 bg-border-default h-px"></div></div><div class="flex flex-col py-3"><div class="flex flex-col gap-2"><div class="t-muted flex items-center gap-2"><span class="t-default font-mono text-sm">Listen Close Frame</span><span class="t-muted inline-flex items-baseline gap-2 text-xs">object</span></div><div class="prose dark:prose-invert max-w-none break-words prose-sm dark:prose-invert-sm"><p>When Deepgram encounters an error during streaming speech to text, a WebSocket Close frame is sent. The frame contains a status code and UTF-8-encoded payload describing the error reason</p></div><div class="internal-type-definition-container text-sm"><div data-state="closed" class="fern-collapsible-card"><button tabindex="0" data-state="closed" aria-disabled="false" data-selected="false" type="button" aria-controls="radix-:R1vhj8um:" aria-expanded="false" class="fern-collapse-trigger text-left fern-button minimal normal"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="transition rotate-45"><path d="M6.75827 17.2426L12.0009 12M17.2435 6.75736L12.0009 12M12.0009 12L6.75827 6.75736M12.0009 12L17.2435 17.2426" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="fern-button-text">Show 2 properties</span></span></button><div data-state="closed" id="radix-:R1vhj8um:" hidden="" class="fern-collapsible"></div></div></div></div></div></div></main></section><aside class="max-w-content-width"><div class="max-h-content scroll-mt-content top-header-offset sticky flex flex-col gap-6 py-8"><div class="bg-card after:ring-card-border relative flex flex-col overflow-hidden rounded-xl shadow-sm after:pointer-events-none after:absolute after:inset-0 after:rounded-[inherit] after:ring-1 after:ring-inset after:content-[''] max-md:max-h-content-padded"><div class="h-10 rounded-t-xl bg-tag-default-soft"><div class="shadow-card-border mx-px flex min-h-10 items-center justify-between rounded-t-xl px-2 shadow-[inset_0_-1px_0_0]"><div class="px-1 text-sm t-muted">Handshake</div><div class="flex items-center gap-2"></div></div></div><div dir="ltr" class="fern-scroll-area" style="position:relative;--radix-scroll-area-corner-width:0px;--radix-scroll-area-corner-height:0px"><style>[data-radix-scroll-area-viewport]{scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;}[data-radix-scroll-area-viewport]::-webkit-scrollbar{display:none}</style><div data-radix-scroll-area-viewport="" class="fern-scroll-area-viewport" data-scrollbars="both" style="overflow-x:hidden;overflow-y:hidden"><div style="min-width:100%;display:table"><div class="flex px-1 py-3"><table class="min-w-0 flex-1 shrink table-fixed border-separate border-spacing-x-2 whitespace-normal break-words font-mono text-sm"><tbody><tr><td class="text-left align-top">URL</td><td class="text-left align-top">wss://api.deepgram.com/v1/listen</td></tr><tr><td class="text-left align-top">Method</td><td class="text-left align-top">GET</td></tr><tr><td class="text-left align-top">Status</td><td class="text-left align-top">101 Switching Protocols</td></tr></tbody></table></div></div></div></div><div class="border-card-border bg-tag-default-soft flex h-10 justify-end border-t p-2"><div class="flex max-w-[76px] items-center"><button tabindex="0" data-state="closed" aria-disabled="false" aria-description="Opens the API Explorer" class="fern-button filled small primary"><span class="fern-button-content"><span class="fern-button-text font-mono tracking-tight">Try it</span><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor"><path d="M6.90588 4.53682C6.50592 4.2998 6 4.58808 6 5.05299V18.947C6 19.4119 6.50592 19.7002 6.90588 19.4632L18.629 12.5162C19.0211 12.2838 19.0211 11.7162 18.629 11.4838L6.90588 4.53682Z" fill="currentColor" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button></div></div></div><div class="bg-card after:ring-card-border relative flex flex-col overflow-hidden rounded-xl shadow-sm after:pointer-events-none after:absolute after:inset-0 after:rounded-[inherit] after:ring-1 after:ring-inset after:content-[''] max-md:max-h-content-padded min-h-0 shrink"><div class="h-10 rounded-t-xl bg-tag-default-soft"><div class="shadow-card-border mx-px flex min-h-10 items-center justify-between rounded-t-xl px-2 shadow-[inset_0_-1px_0_0]"><div class="px-1 text-sm t-muted">Messages</div><div class="flex items-center gap-2"></div></div></div><div dir="ltr" class="fern-scroll-area" style="position:relative;--radix-scroll-area-corner-width:0px;--radix-scroll-area-corner-height:0px"><style>[data-radix-scroll-area-viewport]{scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;}[data-radix-scroll-area-viewport]::-webkit-scrollbar{display:none}</style><div data-radix-scroll-area-viewport="" class="fern-scroll-area-viewport rounded-b-[inherit]" data-scrollbars="both" style="overflow-x:hidden;overflow-y:hidden"><div style="min-width:100%;display:table"><div class="divide-default relative z-0 table size-full table-fixed divide-y" data-orientation="vertical"><div data-state="closed" data-orientation="vertical" class="group relative"><button type="button" aria-controls="radix-:R1d3aj8um:" aria-expanded="false" data-state="closed" data-orientation="vertical" id="radix-:Rd3aj8um:" class="fern-web-socket-trigger data-[state=open]:bg-tag-success" data-radix-collection-item=""><span class="fern-web-socket-client"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon"><path d="M12 21L12 3M12 3L20.5 11.5M12 3L3.5 11.5" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span><span class="fern-web-socket-trigger-data">"Y3VyaW91cyBtaW5k"</span><span class="fern-web-socket-type"><span class="fern-web-socket-badge">publish</span></span><button tabindex="0" data-state="closed" aria-disabled="false" class="fern-copy-button group fern-web-socket-copy fern-button minimal normal rounded square"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor"><path d="M19.4 20H9.6C9.26863 20 9 19.7314 9 19.4V9.6C9 9.26863 9.26863 9 9.6 9H19.4C19.7314 9 20 9.26863 20 9.6V19.4C20 19.7314 19.7314 20 19.4 20Z" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M15 9V4.6C15 4.26863 14.7314 4 14.4 4H4.6C4.26863 4 4 4.26863 4 4.6V14.4C4 14.7314 4.26863 15 4.6 15H9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="fern-web-socket-chevron group-data-[state=open]:rotate-180" aria-hidden="true"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></button><div data-state="closed" id="radix-:R1d3aj8um:" hidden="" role="region" aria-labelledby="radix-:Rd3aj8um:" data-orientation="vertical" class="fern-web-socket-content" style="--radix-accordion-content-height:var(--radix-collapsible-content-height);--radix-accordion-content-width:var(--radix-collapsible-content-width)"></div><div class="pointer-events-none absolute inset-0 z-auto mx-px rounded-[inherit] ring-inset ring-transparent group-focus-within:ring-1 group-focus-within:ring-border-success"></div></div><div data-state="closed" data-orientation="vertical" class="group relative"><button type="button" aria-controls="radix-:R1l3aj8um:" aria-expanded="false" data-state="closed" data-orientation="vertical" id="radix-:Rl3aj8um:" class="fern-web-socket-trigger data-[state=open]:bg-tag-success" data-radix-collection-item=""><span class="fern-web-socket-client"><svg width="1.5em" height="1.5em" viewBox="0 0 24 24" stroke-width="1.5" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="size-icon"><path d="M12 21L12 3M12 3L20.5 11.5M12 3L3.5 11.5" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span><span class="fern-web-socket-trigger-data">"cyB0aGluayBhbGlrZSA6KQ=="</span><span class="fern-web-socket-type"><span class="fern-web-socket-badge">publish</span></span><button tabindex="0" data-state="closed" aria-disabled="false" class="fern-copy-button group fern-web-socket-copy fern-button minimal normal rounded square"><span class="fern-button-content"><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor"><path d="M19.4 20H9.6C9.26863 20 9 19.7314 9 19.4V9.6C9 9.26863 9.26863 9 9.6 9H19.4C19.7314 9 20 9.26863 20 9.6V19.4C20 19.7314 19.7314 20 19.4 20Z" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path><path d="M15 9V4.6C15 4.26863 14.7314 4 14.4 4H4.6C4.26863 4 4 4.26863 4 4.6V14.4C4 14.7314 4.26863 15 4.6 15H9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></span></button><svg width="1.5em" height="1.5em" stroke-width="1.5" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="currentColor" class="fern-web-socket-chevron group-data-[state=open]:rotate-180" aria-hidden="true"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"></path></svg></button><div data-state="closed" id="radix-:R1l3aj8um:" hidden="" role="region" aria-labelledby="radix-:Rl3aj8um:" data-orientation="vertical" class="fern-web-socket-content" style="--radix-accordion-content-height:var(--radix-collapsible-content-height);--radix-accordion-content-width:var(--radix-collapsible-content-width)"></div><div class="pointer-events-none absolute inset-0 z-auto mx-px rounded-[inherit] ring-inset ring-transparent group-focus-within:ring-1 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#97efca;\n --accent-11: #66cfa6;\n --accent-12: #9df5d0;\n --accent-a1: #00b50003;\n --accent-a2: #4bfb9c10;\n --accent-a3: #00fca124;\n --accent-a4: #00fc9735;\n --accent-a5: #00ffa543;\n --accent-a6: #00feac53;\n --accent-a7: #00fdb165;\n --accent-a8: #00fdb07b;\n --accent-a9: #a5ffd9f9;\n --accent-a10: #a0fed6ef;\n --accent-a11: #7dffcccd;\n --accent-a12: #a3ffd8f5;\n --accent-surface: color(display-p3 0.0863 0.1569 0.1255 / 0.5);\n --gray-surface: color(display-p3 0 0 0 / 5%);\n --accent: 161, 249, 212;\n --accent-aa: 161, 249, 212;\n --accent-aaa: 161, 249, 212;\n --accent-tinted: 185, 251, 223;\n --background: 11, 11, 12;\n --accent-contrast: rgb(11, 40, 29);\n --bg-color-card: rgb(26, 26, 31);\n --bg-color-card-solid: rgb(26, 26, 31);\n --sidebar-background: rgb(11, 11, 12);\n --header-background: rgb(26, 26, 31);\n --border: rgb(44, 44, 51);\n --border-concealed: rgb(44, 44, 51);\n --body-text: 255, 255, 255;\n --body-text-inverted: 0, 0, 0;\n}\n\n@font-face {\n font-family: 'Inter';\n src: url('https://files.buildwithfern.com/https://deepgram.docs.buildwithfern.com/2025-02-26T00:10:30.605Z/assets/Inter.woff2') format('woff2');\n font-weight: 400;\n font-style: normal;\n font-display: swap;\n}\n\n@font-face {\n font-family: 'Roobert';\n src: url('https://files.buildwithfern.com/https://deepgram.docs.buildwithfern.com/2025-02-26T00:10:30.605Z/assets/Roobert.woff2') format('woff2');\n font-weight: 600 900;\n font-style: normal;\n font-display: swap;\n}\n\n@font-face {\n font-family: 'FiraMono';\n src: url('https://files.buildwithfern.com/https://deepgram.docs.buildwithfern.com/2025-02-26T00:10:30.605Z/assets/FiraMono.woff2') format('woff2');\n font-weight: 100 900;\n font-style: normal;\n font-display: swap;\n}\n\nhtml {\n background-color: #f9fafb;\n}\n\nhtml.dark {\n background-color: #0b0b0c;\n}\n\n\n\n.fern-button.filled {\n\tbackground: linear-gradient(90deg, #201CFF -91.5%, #13EF95 80.05%) !important;\n}\n\n.fern-header-tab-button[data-state=active] {\n\tcolor: white !important;\n}\n\n.fern-header-tab-button[data-state=active]:after {\n\tbackground: linear-gradient(90deg, #201CFF -91.5%, #13EF95 80.05%) !important;\n\theight: 2px !important;\n}\n\n.fern-header-tab-button {\n\tpadding-left: 24px !important;\n\tpadding-right: 24px !important;\n}\n\n@media (max-width: 1350px) {\n\t.fern-header-tab-button {\n\t\tpadding-left: 16px !important;\n\t\tpadding-right: 16px !important;\n\t}\n}\n\n@media (max-width: 1185px) {\n\t.fern-header-tab-button {\n\t\tpadding-left: 12px !important;\n\t\tpadding-right: 12px !important;\n\t}\n}\n\n@media (max-width: 1100px) {\n\t.fern-header-tab-button {\n\t\tpadding-left: 8px !important;\n\t\tpadding-right: 8px !important;\n\t}\n}\n\n.fern-mdx-link {\n\tcolor: #79affa !important;\n\ttext-decoration: none;\n}\n\n.fern-mdx-link svg {\n\tcolor: #79affa !important;\n}\n\n.white .fern-card span {\n\tbackground: white !important;\n}\n\n@media (min-width: 1024px) {\n\t.fern-header-right-menu {\n\t\tdisplay: none !important;\n\t}\n}\n\n.banner {\n\tdisplay: flex;\n\tflex-direction: column;\n\tjustify-content: center;\n\talign-items: center;\n\ttext-align: center;\n}\n\n.banner p {\n\tmargin-top: .25rem;\n\tmargin-bottom: .25rem;\n}\n\n.banner h1 {\n\tmargin-top: .5rem;\n\tmargin-bottom: 16px;\n}\n\n.fern-sidebar-link-container[data-state=\"active\"] {\n\tcolor: white !important;\n}\n\n.fern-sidebar-link-text {\n\tfont-size: 16px !important;\n}\n\n.fern-sidebar-link-container[data-state=active] .fern-sidebar-link-indent:after {\n border: 0px !important;\n}\n\n.fern-sidebar-link-container[data-state=\"active\"] .fern-sidebar-link {\n\tbackground-color: #232329 !important;\n}\n\n.fern-sidebar-link-container[data-state=\"active\"] .fern-sidebar-link:after {\n\tbackground: linear-gradient(177.85deg, #201CFF -102.27%, #13EF95 101.45%) !important;\n\twidth: 1px !important;\n\tposition: absolute !important;\n\tcontent: \"\" !important;\n\tright: 0 !important;\n\ttop: 0 !important;\n\tbottom: 0 !important;\n\tborder-radius: 8px !important;\n}\n\n.fern-sidebar-link {\n\tborder-radius: 0 !important;\n}\n\n.fern-sidebar-link-content {\n\tpadding-left: 1rem !important;\n\tpadding-right: 1rem !important;\n\tpadding-top: 0.5rem !important;\n\tpadding-bottom: 0.5rem !important;\n}\n\n.fern-sidebar-content {\n\tpadding-left: 0 !important;\n\tpadding-right: 0 !important;\n}\n\n@media (min-width: 1024px) {\n .fern-sidebar-container:not(.fern-sidebar-fixed) {\n padding-left: 0rem !important;\n }\n}\n\n.fern-header-tab-button span {\n\tfont-weight: 700 !important;\n\tfont-size: 16px !important;\n\tline-height: 17.5px !important;\n\tletter-spacing: 2% !important;\n}\n\n.fern-search-bar {\n\t--tw-ring-color: #4E4E52 !important;\n\tbackground-color: #0B0B0C !important;\n}\n\n.fern-sidebar-heading-content,\n.fern-sidebar-link-container .font-semibold .fern-sidebar-link-text {\n\tfont-weight: 700 !important;\n\tfont-size: 14px !important;\n\tline-height: 17.5px !important;\n\tletter-spacing: 2% !important;\n\tcolor: #A1F9D4 !important;\n}\n\n.fern-breadcrumb-item {\n\tcolor: var(--grayscale-a11) !important;\n\tfont-weight: 400 !important;\n}\n\nbutton[role=\"tab\"][data-state=\"active\"] {\n\tbackground-color: #1A1A1F !important;\n}\n\nbutton[role=\"tab\"][data-state=\"active\"]:after {\n\tbackground: linear-gradient(90deg, #201CFF -91.5%, #13EF95 80.05%) !important;\n\theight: 2px !important;\n\tposition: absolute !important;\n\tcontent: \"\" !important;\n\tright: 0 !important;\n\tleft: 0 !important;\n\tbottom: 0 !important;\n}\n\nbutton[role=\"tab\"] {\n\tbox-shadow: none !important;\n\tposition: relative !important;\n}\n\nbutton[role=\"tab\"]:hover span {\n\tbackground-color: #1A1A1F !important;\n}\n\ndiv[class*=\"callout\"] {\n\tborder-left-width: 2px !important;\n\tborder-color: var(--tw-ring-color) !important;\n}\n\n.fern-search-bar,\n.callout-outlined,\n.fern-card\n.fern-button {\n\tborder-radius: 8px !important;\n}\n\n.bg-tag-default-soft {\n background-color: #28282B !important;\n}\n\n.code-block-root span[style*=\"color: rgb(194, 195, 197);\"] {\n\t--shiki-dark: #949498 !important;\n}\n\n.callout-outlined {\n\tbackground-color: #1D2A34 !important;\n\t--tw-ring-color: #149AFB !important;\n}\n\n.callout-outlined-warning {\n\tbackground-color: #342D1E !important;\n\t--tw-ring-color: #FEC84B !important;\n}\n\n.callout-outlined p,\n.callout-outlined h5,\n.callout-outlined-warning p,\n.callout-outlined-warning h5,\n.callout-outlined-success p,\n.callout-outlined-success h5,\n.callout-outlined-danger p,\n.callout-outlined-danger h5,\n.callout-outlined-info p,\n.callout-outlined-info h5,\n.callout-outlined-tip p,\n.callout-outlined-tip h5,\n.callout-outlined-primary p,\n.callout-outlined-primary h5,\n.callout-outlined-check p,\n.callout-outlined-check h5,\n.callout-outlined-secondary p,\n.callout-outlined-warning li {\n\tcolor: var(--grayscale-a11) !important;\n}\n\n.callout-outlined li {\n\tmargin-top: 0px !important;\n}\n\n.callout-outlined h2 {\n\tmargin-top: 0px !important;\n}\n\n.callout-outlined-warning h2 {\n\tmargin-top: 0px !important;\n}\n\n.logs {\n\tbackground-color: #0b0b0c !important;\n\tpadding: 0.5rem !important;\n\tfont-family: var(--typography-code-font-family, var(--code-font-fallback));\n\n}\n\ndiv[class*=\"callout\"] .mt-0\\.5.w-4 {\n\talign-self: center !important;\n}\n\nspan[data-badge-type=\"http-method\"],\nspan[data-badge-type=\"status-code\"] {\n\tborder-radius: 50px !important;\n}\n\n.dg-badge {\n\tmargin-right: 6px !important;\n\tcolor: #bbbbbf !important;\n\tpadding: 1px 1px !important;\n\ttext-decoration: none !important;\n\tborder-radius: 4px !important;\n\tbackground-origin: border-box !important;\n background-image: linear-gradient(90deg, #201cff -91.5%, #13ef95 80.05%);\n\tdisplay: flex;\n\talign-items: center;\n\tjustify-content: center;\n\twidth: fit-content;\n\theight: fit-content;\n}\n\n.dg-badge span {\n\tbackground-color: #1A1A1F !important;\n\tpadding: 4px 12px !important;\n\tborder-radius: 4px !important;\n\tdisplay: flex;\n\talign-items: center;\n\tjustify-content: center;\n}\n\n.dg-badge .fa-icon {\n\tbackground: linear-gradient(90deg, #201cff -91.5%, #13ef95 80.05%);\n\tmargin-right: 4px !important;\n}\n\n.fern-card {\n\tbackground-color: #0B0B0C !important;\n\tborder-radius: 8px !important;\n}\n\nol li {\n\tmargin-top: 2rem !important;\n}\n\n.small .fern-card {\n\tpadding-bottom: 1rem !important;\n\tpadding-top: 1rem !important;\n}\n\n.small .fern-card .items-start {\n\talign-items: center !important;\n}\n\n.small .fern-card .text-base {\n\tcolor: #BBBBBF !important;\n\tfont-weight: 600 !important;\n}\n\n.fern-card h3 {\n\tmargin-top: 0px !important;\n}\n\n.fern-sidebar-tabs {\n\tpadding-left: 10px !important;\n}\n\n.fern-sidebar-heading {\n\tpadding-left: 28px !important;\n}\n\n.api-playground-call {\n\twidth: fit-content !important;\n\theight: fit-content !important;\n\tdisplay: flex !important;\n\talign-items: center !important;\n\tjustify-content: center !important;\n\tpadding: 1px !important;\n\tborder-radius: 4px !important;\n\tbackground-image: linear-gradient(82.38deg, #ff2eea -99.24%, #4b3cff 99.26%) !important;\n\twidth: 100% !important;\n\tmargin-top: 1rem !important;\n}\n\n.api-playground-call span:first-child {\n\tdisplay: flex !important;\n\talign-items: center !important;\n\tgap: 12px !important;\n\tbackground-color: #1A1A1F !important;\n\tpadding: 4px !important;\n\tborder-radius: 4px !important;\n\twidth: 100% !important;\n\tflex-direction: row !important;\n}\n\n.api-playground-call p {\n\tmargin: 0 !important;\n\tdisplay: flex !important;\n\talign-items: center !important;\n\twhite-space: nowrap !important;\n}\n\n.api-playground-call p div:first-child {\n\tdisplay: inline-flex !important;\n\talign-items: center !important;\n}\n\n.api-playground-call img {\n\twidth: 2.5rem !important;\n\theight: 2.5rem !important;\n\tdisplay: inline-block !important;\n\tmargin-top: 4px !important;\n\tmargin-bottom: 4px !important;\n\ttransform: scaleX(-1) !important;\n}\n\n.invert-white {\n\tfilter: invert(1) !important;\n}\n\n.fa-icon,\n.card-icon {\n\twidth: 2rem !important;\n\theight: 2rem !important;\n}\n\n.dg-badge .fa-icon {\n\twidth: 1rem !important;\n\theight: 1rem !important;\n}\n\n.fern-header,\n.fern-header-tabs {\n\tborder-bottom-width: 0px !important;\n}\n\n.fern-header-tabs-list-item span {\n\tfont-family: 'Roobert' !important;\n}\n\n.fern-header-tabs-list,\n.fern-header-tabs-list-item {\n\theight: 100% !important;\n}\n\n.fern-sidebar-link-indent {\n\tmargin-left: 20px !important;\n}\n\n.fern-sidebar-link-container[data-state=inactive] .fern-sidebar-link:hover {\n\tcolor: #FBFBFF !important;\n}\n\n.t-muted:is(.dark *) {\n\tcolor: #949498 !important;\n}\n\n.dark\\:prose-invert:is(.dark *) {\n\t--tw-prose-headings: #FBFBFF !important;\n\tcolor: #E1E1E5 !important;\n}\n\n.fern-page-heading * {\n\tcolor: #FBFBFF !important;\n}\n\n.badge a {\n\ttext-decoration: none !important;\n\tcolor: unset !important;\n}\n\n.badge svg {\n\tdisplay: none !important;\n}\n\n.dep {\n\tbackground: #bbbbbf !important;\n}\n\n.dep .fa-icon {\n\tbackground: #bbbbbf !important;\n}\n\n.dep span {\n\ttext-decoration: line-through !important;\n}\n\n.pink {\n\tbackground-image: linear-gradient(85deg, #ee028b 5.66%, #ae29ff 99.14%) !important;\n}\n\n.pink .fa-icon {\n\tbackground: linear-gradient(85deg, #ee028b 5.66%, #ae29ff 99.14%) !important;\n}\n\n#fern-header {\n\tpadding-top: 3rem !important;\n}\n\n.fern-sidebar-container {\n\tposition: sticky !important;\n\ttop: 0 !important;\n margin-top: 10rem !important;\n\toverflow-y: auto !important;\n\tz-index: 20 !important;\n\theight: 100vh !important;\n}\n\n.fern-main {\n\tmargin-top: calc(var(--header-offset, 0) + 3rem) !important;\n}\n\n.fern-endpoint-content-right .fa-icon,\n.fern-dropdown-item .fa-icon {\n\twidth: 1rem !important;\n\theight: 1rem !important;\n}\n\n.fern-endpoint-content {\n\tpadding-top: 3rem !important;\n}\n\n#fern-header {\n\tposition: absolute !important;\n}\n\ndiv[id=\"/reference/speech-to-text-api/listen#request\"] .flex.flex-col div:nth-of-type(4) span:nth-of-type(2) {\n\tdisplay: none !important;\n}\n\ndiv[id=\"/reference/speech-to-text-api/listen#request\"] .flex.flex-col div:nth-of-type(4) span:nth-of-type(1):after {\n\tcontent: \" binary\" !important;\n\tcolor: #949498 !important;\n\tfont-size: .75rem;\n line-height: 1rem;\n\tfont-family: 'Inter' !important;\n\ttext-shadow: 0 1px 3px rgba(0, 0, 0, .4);\n\tmargin-left: .5rem;\n}\n\n#fern-header {\n\tposition: absolute !important;\n}\n\n.fern-sidebar-fixed+.fern-main {\n\tpadding-left: 0px !important;\n}\n\n.api-playground-call a {\n padding-left: 4px !important;\n padding-right: 4px !important;\n color: #79affa !important;\n text-decoration: none !important;\n}\n\n\n*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: 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