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.