---
title: Release notes
url: amazon-pay-checkout/v1-release-notes.html
---

Check this page regularly for new features and updates.

* TOC
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### API Version 2

#### January 7, 2021

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/amazon-sign-in.md">Shipping address and phone number sign-in scopes</a> - request access to buyer shipping address and phone number at sign-in

#### October 16, 2020

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-apb-checkout/get-set-up-for-integration.md">One-time additional payment button integration</a> - one-time checkout flow where the buyer will complete checkout on an Amazon Pay hosted page after clicking on the Amazon Pay button

#### July 13, 2020

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-recurring-checkout/get-set-up-for-integration.md">Recurring payments</a> - request a recurring Charge Permission object at the end of checkout to charge the buyer for recurring payments
* Multiple authorizations - support for multiple payment authorizations per one-time Charge Permission object

#### June 29, 2020

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/amazon-sign-in.md">Amazon Sign-In</a> - Provide buyer with a sign-in only experience.

#### May 29, 2020

* Alternative button colors - set the Amazon Pay button color using `buttonColor` button parameter.

#### May 6, 2020

* API contract updates - see <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/version-two-migration-guide.md">Version 2 migration guide</a> for more information.
* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/set-up-instant-payment-notifications.md#chargeback">Chargeback IPN</a> - Chargeback events now trigger Instant Payment Notifications (IPNs).
* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-api-v2/checkout-session.md#complete-checkout-session">Complete Checkout Session API</a> - confirm that the buyer has successfully redirected back to `checkoutResultReturnUrl` and finalize the `paymentIntent`.
* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/add-the-amazon-pay-button.md">`createCheckoutSessionConfig` parameter</a> - specify Checkout Session values in button parameter.


### API Version 1

#### December 1, 2021

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/v1-get-set-up-for-integration.md#2-add-domains-to-seller-central">Add Domains to Seller Central</a> - Add all the domains that you plan on using for the Amazon Pay checkout to the JavaScript Origins in Seller Central.

#### April 13, 2020

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-api-v2/api-throttling-limits.md">API throttling limits</a> - service throttling limits are enabled to protect Amazon Pay services from spike traffic.
* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/get-set-up-for-integration.md#4-get-your-public-key-id">Integration Central</a> - create API keys and access credentials in Seller Central.

#### March 4, 2020

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/multi-currency-integration.md">Multi-currency integration</a> - charge the buyer using a different currency. Only available for merchants who have registered in the EU or UK.

#### February 18, 2020

* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/add-the-amazon-pay-button.md#1-create-an-amazon-pay-checkout-session">Shipping address restriction</a> - apply shipping restriction to the buyer's Amazon address book to prevent selection of unsupported address. 
* <a target="_blank" rel="noopener noreferrer" href="../amazon-pay-checkout/add-the-amazon-pay-button.md#function-parameters">PayOnly `productType`</a> - offer checkout using only the buyer's Amazon Wallet if shipping details are not needed.