2.2.0

Dec 4, 2025

• Removal of /qr-callback endpoint (which never got into use)

• Addition of deliveryConfiguration object (only used for specific 3rd party integration)

• Addition of fraudMetaData object

2.1.0

Sep 24, 2024

• Removed non-functional amount fields and values from documentation

  • removed amount.type enum values (CHANGE and DEFINE)

  • removed amount.minimum and amount.maximum fields

• Addition of field transactionMetaData. It includes sub field wasPaymentPageShown, which indicates whether the payment page was served for this transaction

• Explanation on use of IssuerId and introduction of debtor.issuerdId

2.0.6

Feb 12, 2024

• Added X-Sender in header (header identifying the sender of the request)

• Added request signatures for clarity within the endpoints header declarations (instead of only in security section)

2.0.5

Oct 10, 2023

• Added ES384 (ECDSA using P-384 and SHA-384) as supported signing algorithm

2.0.4

Apr 12, 2023

• Fix inconsistency in the naming of IssuerId vs IssuerID

2.0.3

Oct 3, 2022

• renamed debtor.checkoutPreferences to debtor.checkoutDetails

• Added fields firstName and lastName to debtor.checkoutDetails.contactDetails in POST /transaction-callback

2.0.2

Jun 30, 2022

• Renamed /transaction-callback to /merchant-cpsp/transaction-callback.

• Renamed /user-token-callback to /merchant-cpsp/user-token-callback.

• Renamed /qr-callback to /merchant-cpsp/qr-callback.

2.0.1

Mar 28, 2022

• Renamed succeededDateTimestamp to finalStateDateTimestamp.

• Renamed debtorToken to userToken.

• Changed Request-ID header to a required parameter. Updated description as well.

2.0.0

Sep 15, 2021

• Reflected the comments from Acquirer Callback APIs

• Fixed typos and grammar