Meaning
UPI Bank Mapper is a backend system maintained by NPCI (National Payments Corporation of India) that links a user’s mobile number or UPI ID to their bank account. It acts like a directory that ensures UPI transactions reach the correct bank even if users switch devices or UPI apps.
How It Works
When a user registers on a UPI app and links a bank account, the Bank Mapper stores this information. It maps mobile numbers or UPI IDs to respective banks securely. This mapping enables smooth routing of incoming payments and helps UPI apps identify your default account during setup.
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