American Express Account and Transaction API
The American Express Account and Transaction API is an open-banking service that enables regulated third-party providers to access and retrieve detailed information about cardholder accounts and transactions with cardholder consent. With this API, authorized users can securely retrieve data such as account balance, transaction history, payment status, and account details under PSD2 account-information-service provisions, supporting financial data aggregation and account-management use cases across the European regulatory perimeter.