Google Play's billing system | Android Developers

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/google/play/billing/lifecycle/one-time" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/lifecycle/one-time" ><span class="devsite-nav-text" tooltip>One-time purchases</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/lifecycle/subscriptions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/lifecycle/subscriptions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/lifecycle/subscriptions" ><span class="devsite-nav-text" tooltip>Subscriptions</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Google Play Developer API</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="https://developers.google.com/android-publisher" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://developers.google.com/android-publisher" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://developers.google.com/android-publisher" ><span class="devsite-nav-text" tooltip>API reference</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/rtdn-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/rtdn-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/rtdn-reference" ><span class="devsite-nav-text" tooltip>Real-time developer notifications reference</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Best practices</span> </div></li> <li class="devsite-nav-item"><a href="/google/play/billing/manage-catalog" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/manage-catalog" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/manage-catalog" ><span class="devsite-nav-text" tooltip>Manage your product catalog</span></a></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Subscriptions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/google/play/billing/subscriptions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/subscriptions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/subscriptions" ><span class="devsite-nav-text" tooltip>About subscriptions</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/price-changes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/price-changes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/price-changes" ><span class="devsite-nav-text" tooltip>Change subscription prices</span></a></li></ul></div></li> <li class="devsite-nav-item"><a href="/google/play/billing/manage-purchases" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/manage-purchases" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/manage-purchases" ><span class="devsite-nav-text" tooltip>Manage subscriptions and one-time purchases</span></a></li> <li class="devsite-nav-item"><a href="/google/play/billing/promo" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/promo" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/promo" ><span class="devsite-nav-text" tooltip>Run offers and promotions</span></a></li> <li class="devsite-nav-item"><a href="/google/play/billing/security" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/security" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/security" ><span class="devsite-nav-text" tooltip>Fight fraud and abuse</span></a></li> <li class="devsite-nav-item"><a href="/google/play/billing/developer-payload" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/developer-payload" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/developer-payload" ><span class="devsite-nav-text" tooltip>Developer Payload</span></a></li> <li class="devsite-nav-item"><a href="/google/play/billing/query-purchase-history" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/query-purchase-history" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/query-purchase-history" ><span class="devsite-nav-text" tooltip>QueryPurchaseHistory</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Testing and troubleshooting</span> </div></li> <li class="devsite-nav-item"><a href="/google/play/billing/test" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/test" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/test" ><span class="devsite-nav-text" tooltip>Test your integration</span></a></li> <li class="devsite-nav-item"><a href="/google/play/billing/test-response-codes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/test-response-codes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/test-response-codes" ><span class="devsite-nav-text" tooltip>Test BillingResult response codes</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Monetizing outside of Google Play Billing</span> </div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Alternative Billing</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/google/play/billing/alternative" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/alternative" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/alternative" ><span class="devsite-nav-text" tooltip>About alternative billing</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/alternative/alternative-billing-with-user-choice-in-app" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/alternative/alternative-billing-with-user-choice-in-app" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/alternative/alternative-billing-with-user-choice-in-app" ><span class="devsite-nav-text" tooltip>In-app integration with User Choice</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/alternative/alternative-billing-without-user-choice-in-app" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/alternative/alternative-billing-without-user-choice-in-app" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/alternative/alternative-billing-without-user-choice-in-app" ><span class="devsite-nav-text" tooltip>In-app integration without User Choice</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Interim UX guidelines</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/google/play/billing/alternative/interim-ux/user-choice" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/alternative/interim-ux/user-choice" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/alternative/interim-ux/user-choice" ><span class="devsite-nav-text" tooltip>User choice billing pilot</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/alternative/interim-ux/billing-choice" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/alternative/interim-ux/billing-choice" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/alternative/interim-ux/billing-choice" ><span class="devsite-nav-text" tooltip>Alternative in-app billing systems</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/alternative/interim-ux/alt-billing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/alternative/interim-ux/alt-billing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/alternative/interim-ux/alt-billing" ><span class="devsite-nav-text" tooltip>Alternative billing without user choice (EEA program)</span></a></li></ul></div></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>External offers</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/google/play/billing/external" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/external" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/external" ><span class="devsite-nav-text" tooltip>About the program</span></a></li><li class="devsite-nav-item"><a href="/google/play/billing/external/integration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/external/integration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/external/integration" ><span class="devsite-nav-text" tooltip>In-app integration</span></a></li></ul></div></li> <li class="devsite-nav-item"><a href="/google/play/billing/outside-gpb-backend" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /google/play/billing/outside-gpb-backend" track-type="bookNav" track-name="click" track-metadata-eventdetail="/google/play/billing/outside-gpb-backend" ><span class="devsite-nav-text" tooltip>Backend Integration</span></a></li> </ul> <ul class="devsite-nav-list" menu="Essentials" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Gemini in Android Studio </span> </span> </li> <li class="devsite-nav-item"> <a href="/gemini-in-android" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Learn more" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Learn more </span> </a> </li> <li class="devsite-nav-item"> <a href="/studio" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Get Android Studio" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Get Android Studio </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Get started </span> </span> </li> <li class="devsite-nav-item"> <a href="/get-started/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Hello world" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Hello world </span> </a> </li> <li class="devsite-nav-item"> <a href="/courses" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Training courses" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Training courses </span> </a> </li> <li class="devsite-nav-item"> <a href="/get-started/codelabs" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Tutorials" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Tutorials </span> </a> </li> <li class="devsite-nav-item"> <a href="/develop/ui/compose/adopt" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Compose for teams" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Compose for teams </span> </a> </li> <li class="devsite-nav-item"> <a href="/kotlin" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Kotlin for Android" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Kotlin for Android </span> </a> </li> <li class="devsite-nav-item"> <a href="https://play.google.com/console/about/guides/monetize/" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Monetization with Play ↗️" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Monetization with Play ↗️ </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Extend by device </span> </span> </li> <li class="devsite-nav-item"> <a href="/adaptive-apps" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Adaptive apps" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Adaptive apps </span> </a> </li> <li class="devsite-nav-item"> <a href="/xr" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android XR" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android XR </span> </a> </li> <li class="devsite-nav-item"> <a href="/wear" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Wear OS </span> </a> </li> <li class="devsite-nav-item"> <a href="/cars" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android for Cars" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android for Cars </span> </a> </li> <li class="devsite-nav-item"> <a href="/tv" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android TV" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android TV </span> </a> </li> <li class="devsite-nav-item"> <a href="/chrome-os" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: ChromeOS" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > ChromeOS </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build by category </span> </span> </li> <li class="devsite-nav-item"> <a href="/games" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Games" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Games </span> </a> </li> <li class="devsite-nav-item"> <a href="/media" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Camera & media" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Camera & media </span> </a> </li> <li class="devsite-nav-item"> <a href="/social-and-messaging" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Social & messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Social & messaging </span> </a> </li> <li class="devsite-nav-item"> <a href="/health-and-fitness" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Health & fitness" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Health & fitness </span> </a> </li> <li class="devsite-nav-item"> <a href="/productivity" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Productivity" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Productivity </span> </a> </li> <li class="devsite-nav-item"> <a href="/work/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Enterprise apps" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Enterprise apps </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Get the latest </span> </span> </li> <li class="devsite-nav-item"> <a href="/latest-updates" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Latest updates" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Latest updates </span> </a> </li> <li class="devsite-nav-item"> <a href="/latest-updates/experimental" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Experimental updates" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Experimental updates </span> </a> </li> <li class="devsite-nav-item"> <a href="/studio/preview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android Studio preview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android Studio preview </span> </a> </li> <li class="devsite-nav-item"> <a href="/jetpack/androidx/versions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Jetpack & Compose libraries" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Jetpack & Compose libraries </span> </a> </li> <li class="devsite-nav-item"> <a href="/training/wearables/versions/4" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS preview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Wear OS preview </span> </a> </li> <li class="devsite-nav-item"> <a href="/design-for-safety/privacy-sandbox" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Privacy Sandbox" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Privacy Sandbox </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Design & Plan" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > UI Design </span> </span> </li> <li class="devsite-nav-item"> <a href="/design/ui" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Design for Android" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Design for Android </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/mobile" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Mobile" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Mobile </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/large-screens" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Adaptive UI" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Adaptive UI </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/xr" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android XR" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android XR </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/widget" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Widgets" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Widgets </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/wear" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span 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</div> </nav> </devsite-book-nav> <section id="gc-wrapper"> <main role="main" id="main-content" class="devsite-main-content" has-book-nav has-sidebar > <div class="devsite-sidebar"> <div class="devsite-sidebar-content"> <devsite-toc class="devsite-nav" role="navigation" aria-label="On this page" depth="2" scrollbars ></devsite-toc> <devsite-recommendations-sidebar class="nocontent devsite-nav"> </devsite-recommendations-sidebar> </div> </div> <devsite-content> <article class="devsite-article"> <div class="devsite-article-meta nocontent" role="navigation"> <ul class="devsite-breadcrumb-list" aria-label="Breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://developer.android.com/" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Google Play's billing system" > Google Play's billing system </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developer.android.com/distribute" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="2" track-type="globalNav" track-name="breadcrumb" track-metadata-position="2" track-metadata-eventdetail="" > Google Play </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developer.android.com/distribute/play-billing" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="3" track-type="globalNav" track-name="breadcrumb" track-metadata-position="3" track-metadata-eventdetail="" > Play Billing </a> </li> </ul> <devsite-thumb-rating position="header"> </devsite-thumb-rating> </div> <h1 class="devsite-page-title" tabindex="-1"> Google Play's billing system </h1> <devsite-feature-tooltip ack-key="AckCollectionsBookmarkTooltipDismiss" analytics-category="Site-Wide Custom Events" analytics-action-show="Callout Profile displayed" analytics-action-close="Callout Profile dismissed" analytics-label="Create Collection Callout" class="devsite-page-bookmark-tooltip nocontent" dismiss-button="true" id="devsite-collections-dropdown" dismiss-button-text="Dismiss" close-button-text="Got it"> <devsite-bookmark></devsite-bookmark> <span slot="popout-heading"> Stay organized with collections </span> <span slot="popout-contents"> Save and categorize content based on your preferences. </span> </devsite-feature-tooltip> <div class="devsite-page-title-meta"><devsite-view-release-notes></devsite-view-release-notes></div> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <devsite-recommendations-dropdown class="nocontent"></devsite-recommendations-dropdown> <div class="devsite-article-body clearfix "> <p>Google Play's billing system is a service that enables you to sell digital products and content in your Android app, whether you want to monetize through one-time purchases or offer subscriptions to your services. Google Play offers a full set of APIs for integration with both your Android app and your server backend that unlock the familiarity and safety of Google Play purchases for your users.</p> <aside class="note"><strong>Note:</strong><span> Google Play's billing system is only for digital items. For physical goods and services, or other non-digital content, see the <a href="https://developers.google.com/pay/api/android/overview">Google Pay SDK</a>.</span></aside> <h2 id="architecture" data-text="Integration architecture" tabindex="-1">Integration architecture</h2> <p>This section introduces the different functional modules that you can build and the APIs and libraries available to simplify the process.</p> <figure> <img src="/static/images/google/play/billing/overview-arch.svg" width=700 alt = "Your Android app works with your developer backend and the Google Play backend (through Google Play Services)."> <figcaption><b>Figure 1.</b> Diagram of a typical Google Play billing integration.</figcaption> </figure> <p>You can integrate Google Play's billing system with your Android app using the <a href="/reference/com/android/billingclient/classes">Play Billing Library</a>. This library enables communication with the Google Play Services layer that provides the localized product offering available to each user in your app, as well as methods to handle other necessary user operations, like launching the purchase flow and handling its outcome.</p> <p>You should also integrate Google Play's billing system with your server backend to create the necessary developer flows. This is essential to guarantee that your purchase management and cross-platform entitlements are efficient and secure. You can create this integration with the <a href="https://developers.google.com/android-publisher#subscriptions">Subscriptions and in-app purchases API</a> provided by the Google Play Developer API. The backend integration also leverages some Google Cloud platform tools.</p> <figure> <img src="/static/images/google/play/billing/dev-api.png" width=550 alt = ""> <figcaption><b>Figure 2.</b> APIs and services provided by the Google Play Developer API.</figcaption> </figure> <h2 id="terminology" data-text="Terminology" tabindex="-1">Terminology</h2> <p>This section lists and describes the high-level technologies and concepts that you might encounter when integrating Google Play's billing system into your app. Reference this list as you proceed through the integration guidance.</p> <h3 id="technologies" data-text="Technologies" tabindex="-1">Technologies</h3> <ul> <li><a href="https://play.google.com"><strong>Google Play</strong></a>. An online store where users can download apps and other digital products.</li> <li><a href="https://play.google.com/console"><strong>Google Play Console</strong></a>. A platform that provides an interface where you can publish your app to Google Play. The Google Play Console also shows details about your app, including any products or content that you sell with Google Play.</li> <li><a href="https://console.developers.google.com/"><strong>Google Cloud Console</strong></a>. A platform that manages backend APIs, such as the Google Play Developer API.</li> <li><a href="/google/play/billing/integrate"><strong>Google Play Billing Library</strong></a>. An API that you can use to integrate Google Play's billing system into your app.</li> <li><a href="https://developers.google.com/android-publisher/"><strong>Google Play Developer API</strong></a>. A REST API that you can use to programmatically handle publishing and app management tasks.</li> <li><a href="https://cloud.google.com/pubsub/"><strong>Cloud Pub/Sub</strong></a>. A fully managed real-time messaging service that enables you to send and receive messages between independent applications. Google Play uses Cloud Pub/Sub to deliver Real-time developer notifications. To use <a href="https://cloud.google.com/pubsub/">Cloud Pub/Sub</a>, you must have a project on the <a href="https://cloud.google.com/">Google Cloud Platform (GCP)</a> with the Cloud Pub/Sub API enabled. If you aren't familiar with GCP and Cloud Pub/Sub, see the <a href="https://cloud.google.com/pubsub/docs/quickstart-console">Quickstart guide</a>.</li> <li><a href="/google/play/billing/getting-ready#configure-rtdn"><strong>Real-time developer notifications</strong></a>. A mechanism that lets you monitor state changes for Google Play-managed subscriptions in real time by leveraging <a href="https://cloud.google.com/pubsub">Cloud Pub/Sub</a>.</li> <li><strong>Secure backend server</strong>. As part of integrating Google Play's billing system into your app, we strongly recommend that you use a secure backend server to implement billing-related tasks such as purchase verification, subscription-specific features, and handling Real-time developer notifications.</li> <li><strong>Google Play Store app</strong>. An app that manages all operations related to Google Play. All requests made by your app are handled by the Google Play Store app.</li> </ul> <h3 id="concepts" data-text="Concepts" tabindex="-1">Concepts</h3> <ul> <li><strong>Flow</strong>. A flow shows the typical steps involved in a billing-related task. For example, a <em>purchase flow</em> outlines the steps involved when a user purchases your product. A <em>subscription flow</em> might show how a subscription transitions between states.</li> <li><strong>Entitlement</strong>. When a user purchases an in-app product, they are then <em>entitled</em> to that product within your app. For one-time products, this means that the user should now have permanent access to the product. For subscriptions, this means that the user should have access while the subscription is active.</li> <li><strong>Product ID</strong>. The ID of a specific product type.</li> <li><strong>Purchase token</strong>. A string that represents a buyer's entitlement to a product on Google Play. It indicates that a Google user has paid for a specific product.</li> <li><strong>Order ID</strong>. A string that represents a financial transaction on Google Play. An order ID is created every time a financial transaction occurs. This string is included in a receipt that is emailed to the buyer. You can use the order ID to manage refunds in the <strong>Order Management</strong> section of the Google Play Console. Order IDs are also used in sales and payout reports.</li> </ul> <h2 id="next-steps" data-text="Next steps" tabindex="-1">Next steps</h2> <p>To begin integrating Google Play's billing system with your app and server backend, see the <a href="/google/play/billing/getting-ready">setup guide</a>.</p> <devsite-hats-survey class="nocontent" hats-id="onAFgYxTD0kxBYCLVTd0Z41p75CM" listnr-id="5207477"></devsite-hats-survey> </div> <devsite-recommendations display="in-page" hidden yield> </devsite-recommendations> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <devsite-recommendations id="recommendations-link" yield></devsite-recommendations> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>Content and code samples on this page are subject to the licenses described in the <a href="/license">Content License</a>. 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