finAPI XS2A supports JSON format.
finAPI XS2A Sandbox currently supports single payments, bulk and periodic payments. The following payment products are supported: SEPA credit transfers, instant SEPA credit transfers, Target 2 payments, cross-border credit transfers.
finAPI XS2A Sandbox currently provides test data for checking accounts.
For a detailed account of Sandbox test data, please refer to Sandbox Test Accounts and Test Data.
finAPI XS2A supports the following consent models:
finAPI XS2A requires the TPP to provide a QWACS certificate with every service call. There is no registration process for TPPs.
finAPI XS2A currently supports the Embedded and the decoupled authentication flow.
Information you about it you can find here 02. Supported Authentication Methods
finAPI XS2A currently supports the Berlin Group "NextGenPSD2" standard.