Account Information API allows approved Account Information Service Providers (AISPs) to request access to Payment Accounts from a PSU.
Payment Initation This API allows approved payment initiaion service providers (PISPs) to initiate a transaction and request an authorization from the PSU.
Confirmation of Funds This API allows approved Card Based Payment Instrument Issuers (CBPIIs) to securely check if funds are available in a specific account.
1. Sign up and create a Sandbox App
2. Develop and test
3. Switch to production access and go live