2. Actors and definitions
1.1 Actors and definitions
Following the actors expected and the related acronyms used in the document:
- PSU - Payment Services User
He is the subject using all the payment services defined and provided by the PSD2 ecosystem.
- PISP - Payment Initiation Service Provider
This entity provides the PSU with the service to set up payment transactions; the related services
supplied can be identified as PIS (Payment Initiation Service).
PIISP - Payment Instrument Issuing Service Provider (also known as CISP – Card Issuing Service
Provider).
This entity provides information about the funds availability on PSD2 payment transactions based on
the payment cards. The related services supplied can be identified as FCS (Confirmation on the
Availability of Funds Service).
- AISP - Account Information Service Provider
This entity offers information services about the payment accounts. The related services can be
identified as AIS (Account Information Service).
- ASPSP - Account Servicing Payment Service Provider
This is the entity where the payment accounts resides. It receives payment requests, receive
payments, provides information on managed payment accounts.
- TPP - Third Party Provider
A general definition of the provided services inside the PSD2 on behalf of a PSU. A TPP may have
one or more of the PISP, AISP, PIISP roles and it is able to communicate with the involved ASPSPs
through the interfaces defined by the PSD2 Gateway.
