UroPay Blog - UPI Payment Solutions & E-commerce Payment Tips for India

September 02, 2026
18 min read

How to Secure Your UPI Payment Gateway API Integration: HMAC-SHA256 Signing and Webhook Verification Explained

How HMAC-SHA256 request signing and webhook signature verification protect a UPI payment gateway API integration from fraud, with code examples, common mistakes, and honest UroPay API pricing.

September 01, 2026
20 min read

How to Test a UPI Payment Gateway API Before Going Live: TEST Keys, Sandbox Cards, and Webhook Signature Verification

A developer walkthrough for testing a UPI checkout before it goes live: TEST vs PRODUCTION keys, HMAC-SHA256 request signing, sandbox UPI IDs and cards across gateways, and building a webhook handler you can trust with the UroPay API.

August 31, 2026
11 min read

How to Accept Recurring Payments on UPI: A Developer's Guide to UPI Autopay and UroPay API

Learn how to accept recurring UPI payments with UPI Autopay and the UroPay API. Step-by-step guide for SaaS subscriptions with KYC-optional pricing and direct founder support.