Glossary

Abbreviation

Explanation

Abbreviation

Explanation

AISP

Account Information Service Provider

ASPSP

Account Servicing Payments Services Providers

AS

Authorization Server

C

Consumer

CIBA

Client Initiated Backchannel Authentication

DH

Data Holder

DR

Data Recipient

EBA

European Banking Authority

FAPI

Financial-grade API

FCA

Financial Conduct Authority

FI

Financial Institute

IdP

Identity Provider

JWT

JSON Web Token

JWK

JSON Web Key

JWKS

JSON Web Key Sets

OB

Open Banking

OIDC

OpenID Connect

OP

OpenID Provider

PSU

Payment Service Users

RO

Resource Owner

RP

Relying Party

RS

Resource Server

TPP

Third Party Providers

TTP

Trusted Third Parties