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Documentation

API Changelog

Additions and updates to the API. Unless explicitly stated otherwise, all changes are backward compatible and non-breaking. For a list of deprecated APIs, see API Deprecation Policy.

Note

Lists the updates from 2025. For previous changelog data, see API Changelog Archive.

  • New fields or objects

    • Payment branch - transaction_link_id response and webhook object (Sandbox only): Identifier to link a Mastercard transaction to future transactions.

    • Payment branch - authentication_result response and webhook object: 3DS authentication details of a card payment.

    • Payment branch - authentication_result response and webhook object > cardholder_info field: Information that the issuer provides to a cardholder during the 3DS authentication process.

  • New fields or objects

    • Payment branch - Merchant Advice Code (MAC) response and webhook fields: merchant_advice_code and merchant_advice_message. Effective in both sandbox and production.

  • New fields or objects

    • Payment branch - Merchant Advice Code (MAC) response and webhook fields (Sandbox only): merchant_advice_code and merchant_advice_message.