<aside> 💡

Tips

One Mobile Number maps to One CRN (Customer ID/Customer Reference Number)

</aside>

API Suite: UPI 2.0 – NPCI User Onboarding & Verification

Owner: Bank CBS

Consumer: NPCI / Authorized TSPs

• Objective

  This API suite provides a standardized mechanism for user verification and registration within the CBS for UPI 2.0. It enables OneStack to:

  • Check User – verify if a user exists in the bank CBS using mobile number and bank ID.
  • Register Existing User – update/activate existing CBS user details for OneStack/UPI.
  • Register New User – create a new customer profile in CBS (where banks allow online onboarding).

• UPI 1.0 - OneStack (Acceptance Only)

• UPI 2.0 - NPCI (Pull)