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Figure 1. Android payment flowThe Google Pay API enables fast checkout within your app, and gives you convenient access to hundreds of millions of cards saved to Google Accounts worldwide.
How it worksWhen a user taps the Google Pay payment button, they see a payment sheet that displays the payment methods saved to their Google Account, as well as optional fields such as a shipping address field. Users can quickly select a payment method, add an optional shipping address, or add new information.
The payment flow is as follows:
Perform the following steps to get started with the Google Pay API:
Look through the supported processors and gateways list to find the reference documentation for your payment processor or gateway.
Note: If your processor or gateway isn't supported, you might be able to complete a Direct integration. The direct integration is exclusively available to merchants who are Payments Card Industry Data Security Standard (PCI DSS) compliant, as validated by a Qualified Security Assessor. Third parties that supply gateway or processing services on behalf of actual merchants aren't eligible to use the Direct integration.Use the following resources to complete your integration:
The following codelabs will help you get started on Web with the Google Pay API:
Videos Blog postsExcept as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["The Google Pay API allows for quick and easy checkout within your Android app, providing access to millions of cards saved to Google Accounts globally."],["The Google Pay payment flow involves the user selecting a payment method, your app receiving a payment token, and your backend processing the purchase with the payment provider."],["To get started, review the Google Pay API terms, find your payment processor in the supported list, follow the brand guidelines, and complete the Android integration using the provided resources or libraries for Flutter and React Native."],["Before launching, ensure your integration is production-ready by reviewing the checklist and requesting production access through the Google Pay & Wallet Console."]]],["Users initiate payment by tapping the Google Pay button, revealing a payment sheet with saved methods. They select a method, and Google Pay securely returns a payment token to the app. The app then sends this token and purchase details to its backend. The backend processes the purchase and forwards the token to the payment service provider to complete the transaction. To get started with the API, you should review the Google Pay terms of services and acceptable use policy, check the supported payment processors, adhere to brand guidelines and complete an integration using the documentation.\n"]]
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