Schemes & Rails

Rulebooks, operating procedures and implementation guidelines governing participation and payment flows within specific schemes, networks and rails.

iDEAL QRiDEAL payment-link encoding for physical and screen-presented QRThe operator-defined QR implementation that opens an iDEAL payment flow from print or screen.10 Aug 2026
SCT Inst 2025Instant euro credit transfers in SEPAThe current SCT Inst scheme rulebook, with implementation guidelines based on ISO 20022 and a ten-second legal execution perimeter.10 Aug 2026
UPI Guidelines 2026UPI app, intent, QR, PIN and Tap & Pay presentation and behaviorNPCI's current public implementation and presentation guidelines for BHIM and UPI payment experiences.10 Aug 2026