Belfius provides you with detailed technical documentation, complete with clear instructions for testing your creations, code examples and much more. Currently, our sandbox is only accessible to authorized third party under PSD2 regulation.
Carry out your tests in total security in our sandbox, receive error notifications, information about the availability of the API, analyses, etc.
Because the banking solutions of tomorrow depend on collaborations and partnerships yet to be put in place, Belfius wishes to play an active role in this process.
At Belfius, security is – and has always been – at the heart of our priorities.
Use our Account Information Services (AIS) API to access account balances and transaction histories through third-party applications.View API
Use our Payment Initiation Service API to initiate (or cancel) payments via third-party applications.View API
Use our Confirmation on the Availability of Funds (CAF) API to confirm whether an amount is available on a payment account via third-party applications.View API
Choose an API in our marketplace
Check out our documentation and start thinking about interesting integrations.
If you are an authorized TPP under PSD2, request your access and carry out your tests in the test environment (Sandbox).
If you are an authorised TPP under PSD2, request your production access.