This page tracks documentation updates to the Google Pay API for website-based integrations.

## April 27, 2026

Feature Added Merchant Initiated Transactions (MIT) for web to the [Code Generator](https://developers.google.com/pay/api/web/guides/gpay-codegen).

## April 13, 2026

Feature Added Merchant Initiated Transactions (MIT) and Token Lifecycle Management (TLM).

## March 09, 2026

Change Added details about `BillingAddress` options available in the [Gateway test card](https://developers.google.com/pay/api/web/guides/resources/test-card-suite#gateway-test-cards) for test environment.

## January 15, 2026

Change Updated the [web tutorial](https://developers.google.com/pay/api/web/guides/tutorial#js-load) to include a note on how to add the `allow="payment"` attribute if the merchant is using an `iframe` to load the payment button.

## November 20, 2025

Feature Added the `FULL-ISO3166` option to the `format` parameter for both `billingAddressParameters` and `shippingAddressParameters`. Additionally, added the optional `iso3166AdministrativeArea` parameter to the `Address` and `IntermediateAddress` objects.

## September 04, 2024

Change Created a new page about documentation change log for pay/api and changed the title of the Release notes section to API release notes in the navigation menu.
Change Added JCB code examples in Android, web, and processor for non-tokenized cards.

## August 30, 2024

Feature Updated the [Google Pay API Config Generator](https://developers.google.com/pay/api/web/guides/gpay-codegen) with help text, schema metadata updates, and payment method specification validation.

## August 29, 2024

Change Updated the maximum and minimum character value of the card's nickname.

## August 28, 2024

Change Added quickstart information for Android and web.

## August 23, 2024

Change Updated [Google Pay payment button](https://developers.google.com/pay/api/android/guides/tutorial#add-button) in Android and Publish your integration page for Android and web.
Change Added *mstartipg* to the list of participating processors

## August 21, 2024

Change Added *FINEXUS* and updated the name of *upgate* to *Upgate* to the list of participating processors.

## August 20, 2024

Change Updated BNPL documentation to show that it's now available on desktop web.

## August 19, 2024

Change Updated the [Integration checklist](https://developers.google.com/pay/api/web/guides/test-and-deploy/integration-checklist) on the web.
Change Updated the URL for *Procard* in the list of participating processors.

## August 14, 2024

Change Created a new page for Publish your integration for Android and web. Additionally, deleted and redirected Request production access and Deploy your application to Publish your integration for Android and web.

## August 13, 2024

Change Moved the liability shift content from FAQ to a new page and added new questions in the FAQ section for Android and web.
Change Added notes in tutorial and demo page for the web.

## August 12, 2024

Change Updated test card suite with notes and warnings to reduce maintenance effort.

## August 08, 2024

Change Replaced the URL for *kassa24pay* to the list of participating processors.

## August 07, 2024

Change Added *Klix By Citadele* ,\* Procard\*, and *Tribe Payments* to the list of participating processors.

## August 06, 2024

Change Added *Paysafe* to the list of test card gateways.

## August 03, 2024

Change Added *upgate* and *kassa24pay* to the list of participating processors.

## August 01, 2024

Change Added [console link](https://pay.google.com/business/console?utm_source=devsite&utm_medium=devsite&utm_campaign=devsite) and removed external icon for the *Google Pay \& Wallet Console* in Google Pay API documents.

## July 31, 2024

Change Added *Paymentvision* and *Allinpay* to the list of participating processors.

## July 19, 2024

Change Added *xpay* and *PagBrasil* to the list of participating processors.

## July 18, 2024

Change Added release notes on the dynamic payment button expansion to `buttonTypes` `PAY` and `PLAIN` on web.

## July 15, 2024

Change Added *Simbasoft* and *Netvalve* to the list of participating processors.

## July 11, 2024

Change Fixed formatting of the *Nuvei* test card table.
Change Added *CCV.eu* , *Fondy* , *LiqPay* , *Nuvei* , and *Worldline* to the list of supported pay processors for the test card suite.

## July 10, 2024

Change Updated BNPL provider Affirm's max cart size to $30000.

## July 04, 2024

Change Added Google Pay developer community links to the Android and web sections of DevSite to raise awareness of these communities and drive developer engagement.

## June 26, 2024

Change Added the Google Analytics 4 tracking ID to all Google Pay and Wallet projects. This tracking ID is added to each _project.yaml in /pay and /wallet.

## June 17, 2024

Change Added *Corvus Pay* to the list of participating processors.

## June 14, 2024

Change Updated [Provide test cards to help with end-to-end testing](https://developers.google.com/pay/api/processors/guides/implementation/provide-test-cards) to match the automated processes.

## May 30, 2024

Change Added *Airvend* to the list of participating processors.

## May 27, 2024

Change Added *Magnetiq Bank* and *Opayo by Elavon* to the list of participating processors.

## May 25, 2024

Change Added *Fiserv* and removed *FirstData* from the gateway table.

## May 21, 2024

Change Updated the `CardInfo` note on the troubleshooting section for the Android and web.
Change Added troubleshooting information for OR-BIBED-15 error.

## May 16, 2024

Change Added *Walletdoc* to the list of participating processors.

## May 14, 2024

Change Changed Google Pay static assets access group to external group.

## May 13, 2024

Change Added developer document link for the supported pay processor *PAY2M* in gateway table.

## May 08, 2024

Change Added *lynck* to the list of participating processors and removed *yourpayment*.

## April 30, 2024

Change Added *Shift4* to the list of participating processors.
Change Updated the JWT issue time expiration to 12 hours in the developer document.

## April 29, 2024

Change Updated the Google Pay API document to include information about the currency code.

## April 26, 2024

Change Removed the `docType` and `page_type` tags from overview and index files for Google Pay.
Change Removed the Nomenclature tag `docType: Product` from specific landing pages to accommodate the new [products page](https://developers.google.com/products) launching for IO.
Change Added *FM Finance LTD* and *Worldline Nordics* to the list of participating processors.

## April 23, 2024

Change Updated the broken URL for the *BR-DGE* to the list of participating processors.

## April 17, 2024

Change Added *Pagbank* to the list of participating processors.

## April 12, 2024

Change Added notes in `displayItems` and `totalPriceLabel` to indicate that `displayItems` is required to implement support for Authorize Payments or Dynamic Price Updates, and `totalPriceLabel` is required if `displayItems` are defined.

## April 11, 2024

Change Added a note to the [Live Google Pay demos](https://developers.google.com/pay/api/web/guides/resources/demos) page that a button is displayed only if the browser supports it.
Change Updated references to the [Brand guidelines - custom button](https://developers.google.com/pay/api/web/guides/brand-guidelines#custom-button)and [Customize your button](https://developers.google.com/gtech/guides/resources/button-code) examples.

## April 10, 2024

Change Managed public access to the Google Pay payment button static assets through the pwgeap-devdocs-static-assets Google group for web merchants.

## April 09, 2024

Change Updated height of the iframe for the custom Google Pay button examples.