PSP (Payment Service Provider)

byPaytm Editorial TeamLast Updated: July 11, 2025

The full form of PSP is Payment Service Provider, a key player in the UPI framework that enables UPI app functionality and user onboarding.

Definition

The definition of Payment Service Provider is a licensed bank that connects UPI apps to the NPCI network and handles backend services such as account mapping and transaction processing.

Key Functions

  • Enables UPI services for users and merchants
  • Manages UPI IDs, PIN setup, and transaction routing
  • Ensures compliance with RBI and NPCI rules

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