2026-01-22

This release of Checkout:

• Adds the merchant.name parameter to Checkout webhooks.
• Adds the following parameters to Hosted Checkout V2:
  • enableAddNewCard - Allows you to enable or disable the add new card button on the Checkout card form.
  • cardSubmitButtonText - Allows you to customise the text for the card submit button.
  • cardHeadingText - Allows you to customise the heading text for the card form.
  • cardHeadingSavedCardsText - Allows you to customise the heading text for the header section when there are cards saved.

2025-11-11

This release of Checkout enables you to secure Checkout webhooks using HMAC.

2025-11-10

This release of Checkout V2 and V1 enables you to set the following credential-on-file parameters:

• standingInstruction.recurringType
• standingInstruction.type
• standingInstruction.mode
• standingInstruction.industryPractice
• standingInstruction.numberOfInstallments

2025-10-30

This release of:

• Checkout V2 and V1 enables you to set the standingInstruction.expiry and standingInstruction.frequency parameters which are required for recurring payments.
• Checkout adds the schemeTransactionId and cardholderInitiatedTransactionId parameters to the successful webhook.

2025-08-25

This release of Embedded and Hosted Checkout adds support for PayShap.

2025-07-29

This release of Checkout enables Windows users on certain browsers to pay using Apple Pay.

2025-07-24

This release of Hosted Checkout adds the cardRemovalUrl parameter, allowing you to remove a stored card from the customer's profile.

2025-07-02

This release of Checkout introduces the payment methods endpoint which is the V2 version of merchant specs.

2025-06-24

This release of Checkout splits the Checkout API into V2 and V1 more definitively and:

• Adds the V2 Status endpoint for querying the status of a checkout.
• Updates the V2 Initiate checkout endpoint to return a redirectUrl to support Hosted Checkout.