UPI Decoded: The Complete Guide to India's Payment Rail by V.P. Kumar
English | May 2, 2026 | ISBN: N/A | ASIN: B0GZC5692H | 140 pages | EPUB | 0.90 Mb
UPI now processes more transactions per month than the major global card networks combined. UPI Decoded takes you under the hood of India's most consequential payment rail.
Across 26 chapters, this complete guide covers every flow, every product variant, and every operational consideration that fintech professionals, banking architects, and payments students need to navigate UPI with confidence.
Inside you'll find: the four-role architecture and message flow; VPA design and resolution; UPI PIN cryptography, AOTP, and UIDAI Face Authentication; the October 2025 collect-request deprecation; one-time and recurring mandates; UPI for IPO and the Secondary Market via Single-Block-Multiple-Debit; AutoPay interoperability; UPI Lite, 123Pay, Credit Card and Credit Line on UPI; UPI International across seven countries; eRUPI vouchers; UPI Circle delegated payments; UPI Reserve Pay; UPI HELP, IoT and Banking Connect; UDIR dispute resolution; the economics of UPI - who pays whom across every flow; risk and fraud architecture; and a complete regulatory index.
Whether you're building on UPI, integrating with NPCI, or just trying to understand how India pays - this is your reference guide.
UPI is a registered trademark of NPCI. This book is not affiliated with NPCI, RBI, or SEBI.
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