CAF API

Check if an amount is available on a payment account.

Preliminary steps

  1. Obtain your authorization : all details on this flow can be found in the Flows section of the consent API documentation.
  2. Issue your access/refresh tokens along with your logical ID : All details on this flow can be found in the Flows section of the consent API documentation.

Confirmation on the Availability of Funds (CAF) PSD2 APIs

• POST /funds-confirmations

This API provides the possibility for a TPP to check if enough funds are available on a given payment account (IBAN should be provided).

The steps are as follows:

  1. When a TPP would like to check if funds are available, the TPP calls this API and provides the amount to be checked, the IBAN and the logical ID linked to the IBAN account number, along with the earlier received access token for scope CAF. This communication is secured using eIDAS certificates. If all the provided details are valid, Belfius/Banx will respond with the funds availability status.
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