The Payment Initiation Service API is part of the SRC PSD2 API Collection based on the NextGenPSD2 Framework Version 1.3 by the Berlin Group (https://www.berlin-group.org/psd2-access-to-bank-accounts). In combination with the other provided APIs of the SRC PSD2 API Collection provides comprehensive and simple access to bank accounts.
The other provided APIs are:
-Account Information Service
-Conformation of funds Service
General guidelines defined by Berlin group
The Berlin Group definition of UTF-8 strings in context of the PSD2 API have to support at least the