the card.firstNumbers, card.scheme and identifiers.amexApprovalCode properties from the transaction object. This applies on all relevant endpoints which return transactions.

the reimbursement.token property to the transaction object. Thereimbursement.token is the unique identifier of a reimbursement request. This property is available in version 2022-08-15 or newer.

the cardPresent property to the transaction object to flag when a transaction was made online or in store. Test transactions' cardPresent is null. This property is available in version 2022-07-13 or newer.

ability to set description on automated reimbursements on transactions qualified by offers with the new automatedReimbursement.description property in offer object

ability to submit an American Express Service Establishment Number when creating or updating a location (API only). searchBy.merchantIds.amex property added to locations object

ability to set automated reimbursements on transactions qualified by offers with the new automatedReimbursement property in offer object
reimbursement.automated property to transaction object
reimbursement.issuingBrandId property to transaction object
reimbursement.issuingOfferId property to transaction object

a new endpoint to get list of transactions eligible for reimbursement by card
a new endpoint to request a reimbursement for a card

a new endpoint to request a reimbursement for a transaction.
a new endpoint to get credits balance.
a new endpoint to get credits transaction history.
new webhook (credits.balance.low).

Amex to be enabled by default for new accounts.
the ability to have metadata in the Offer object.
a warning when trying to delete an offer that has qualified transactions.
the ability to restrict countries in the WebSDK dropdown.

a new endpoint to unlink a Card from an Offer.