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CSM Service APIs

This section provides an overview of available CSM Service APIs.

API definitions (and their related documentation) have moved into their own repositories and have been separated by function. See below the list of top-level links to the individual API documentation pages:

API Documentation link

CSM: Clear And Settle

CSM Clear and Settle

CSM: Recall/Return/ROI (RRR, R-message)

CSM Recall / Return

CSM: Validation API

CSM Validation

CSM: Direct Debit API

CSM Direct Debit

CSM: Direct Debit Validation API

CSM Direct Debit Validation

The below table shows the list of non-CSM APIs that are traditionally used in conjunction with CSM services. They have been listed here for completeness but are not expected to be implemented by CSM services.

API Documentation link

Credit Transfer

Credit Transfer

Payment initiation

Payment Initiation

Payment status

Payment Status

Recall/Return/ROI

Recall / Return