Third Party API
The Third Party API is an API for non-fund-holding participants to interact over a centralized Mojaloop hub. Specifically, this API allows Payment Initiation Service Providers (PISPs) to act as a proxy in initiating payments, while allowing for the strong authentication of users.
Terms
The following terms are commonly used across the Third Party API Documentation
Term
Alternative and Related Terms
Definition
Source
Payment Initiation Service Provider
PISP, 3rd Party Payment Initiator (3PPI)
Regulated entities like retail banks or third parties, that allow customers to make payments without accessing bank accounts or cards
FSP
Provider, Financial Service Provider (FSP), Payment Service Provider, Digital Financial Services Provider (DFSP)
The entity that provides a digital financial service to an end user (either a consumer, a business, or a government.) In a closed-loop payment system, the Payment System Operator is also the provider. In an open-loop payment system, the providers are the banks or non-banks which participate in that system.
User
End User
An end user that is shared between a PISP and DFSP. Mostly used in the context of a real human being, but this could also be a machine user, or a business for example
Consent
Account Link
A representation of an agreement between the DFSP, PISP and User
Auth-Service
A service run by the Mojaloop Hub that is responsible for verifying and storing Consents, and verifying transaction request signatures
API Definitions
The Third Party API is defined across the following OpenAPI 3.0 files:
The implementation of these APIs will depend on the role of the participant. PISPs should implement the Third Party API - PISP interface in order to request and manage Account Linking operations, and initiate Third Party Transaction Requests.
DFSPs who wish to support Account Linking operations, and be able to respond to and verify Third Party Transaction Requests should implement the Third Party API - DFSP.
Transaction Patterns
The interactions and examples of how a DFSP and PISP will interact with the Third Party API can be found in the following Transaction Patterns Documents:
Linking describes how an account link and credential can be established between a DFSP and a PISP
Transfer describes how a PISP can initate a payment from a DFSP's account using the account link
Data Models
The Data Models Document describes in detail the Data Models used in the Third Party API
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