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Update checkout

This topic describes how to update a checkout session and is part of the Checkout topic. But since the initial request is made to the Payment API, this topic is included in the Payment API section.

Response from server

Please note that parts of the examples may be dynamically generated. Since the code then may vary it means that the hash values may not be correct and the credentials hash should only be seen as an example.

Last modified: 04 February 2026

Init checkout getCheckoutVersion