API Suite: UPI 1.0 – OneStack (Acceptance Only) & UPI 2.0 – NPCI

Owner: Bank CBS

Consumer: OneStack / NPCI

• Objective

  This API suite facilitates retrieval and submission of customer KYC data between the Bank CBS and OneStack.

  • Get Customer Details Fetch existing customer KYC attributes (e.g., first/last name or entity name).
  • Submit Customer KYC Update or insert KYC information collected by OneStack into the Bank CBS.
  • Both APIs are typically one-time calls during customer onboarding or registration.

• UPI 1.0 - OneStack (Acceptance Only) + UPI 2.0 - NPCI