Checkout.com API Changes

Checkout.com API Changes: the current version, recent changes and deprecations, from Checkout.com’s own docs.

How versioning works: No public API version identifier; Checkout.com commits to backward-compatible changes and contacts merchants in advance when a breaking change is unavoidable.

Checkout.com does not publish a single API version number; changes are announced in its documentation and SDK release notes.

How versioning works. No public API version identifier; Checkout.com commits to backward-compatible changes and contacts merchants in advance when a breaking change is unavoidable.

Questions

What is the latest Checkout.com API version?

Checkout.com does not publish one version number; see the change list for dated updates.

What was the latest breaking change or deprecation?

June 30, 2026: Frames card UI deprecated; merchants told to move to Flow.

Compare providers in the payment API changelog tracker.

Provider: Checkout.com
Recent changes: Date Version Type Change
June 30, 2026 Deprecation Frames card UI deprecated; merchants told to move to Flow.
May 18, 2026 Deprecation A set of advice_reason values in the Issuing authorization advice received webhook marked deprecated.
March 31, 2026 Deprecation Old Issuing reports and previous Issuing webhook versions deprecated; new reports/webhooks become default (card_id replaced by card.id, chargeback_initiated split).
September 2025 New version New Issuing Authorization/Clearing Activity reports and updated Issuing webhooks released.
Official changelog: github.com
Versioning docs: checkout.com
Sources: Source Link
Checkout.com changelog https://github.com/checkout/checkout-api-reference-changelog
Change policy (last updated Oct 15, 2025) https://www.checkout.com/docs/developer-resources/api/api-changes
Frames deprecation https://support.checkout.com/hc/en-us/articles/28862975071634-When-will-Frames-be-deprecated
Issuing deprecation on March 31, 2026 https://support.checkout.com/hc/en-us/articles/29717952527122-Enhancing-our-Issuing-data-Migration-guide
Webhook enum deprecation, article dated May 18, 2026 https://support.checkout.com/hc/en-us/articles/29048364945170-Authorization-advice-received-webhook-deprecated-values
Mobile SDK deprecation strategy https://www.checkout.com/docs/developer-resources/sdks/mobile-sdks-lifecycle-policy
Last checked: September 30, 2026

Date	Type	Change
June 30, 2026	Deprecation	Frames card UI deprecated; merchants told to move to Flow.
May 18, 2026	Deprecation	A set of advice_reason values in the Issuing authorization advice received webhook marked deprecated.
March 31, 2026	Deprecation	Old Issuing reports and previous Issuing webhook versions deprecated; new reports/webhooks become default (card_id replaced by card.id, chargeback_initiated split).
September 2025	New version	New Issuing Authorization/Clearing Activity reports and updated Issuing webhooks released.

Source	Link
Checkout.com changelog	https://github.com/checkout/checkout-api-reference-changelog
Change policy (last updated Oct 15, 2025)	https://www.checkout.com/docs/developer-resources/api/api-changes
Frames deprecation	https://support.checkout.com/hc/en-us/articles/28862975071634-When-will-Frames-be-deprecated
Issuing deprecation on March 31, 2026	https://support.checkout.com/hc/en-us/articles/29717952527122-Enhancing-our-Issuing-data-Migration-guide
Webhook enum deprecation, article dated May 18, 2026	https://support.checkout.com/hc/en-us/articles/29048364945170-Authorization-advice-received-webhook-deprecated-values
Mobile SDK deprecation strategy	https://www.checkout.com/docs/developer-resources/sdks/mobile-sdks-lifecycle-policy

Source: each provider’s own changelog, API documentation and support pages, linked on each record. NY Presswire is not affiliated with these providers.