#NPCI

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· Engineering

NPCI rail routing with human-in-the-loop

UPI, IMPS, NEFT, RTGS — which rail to use depends on amount, urgency, window, success-rate history. A deterministic chooser with a HITL gate above ₹2 lakh.

PaymentsNPCIFinTechHITL
· Engineering

UPI integration — the spec quirks no one mentions

UPI is the most popular payment rail in India. The spec is precise. The implementation guides are not. Notes on the integration details that ate weeks the first time.

UPINPCIPaymentsFinTech