Documentation
Support Documentation Introduction
Introduction

To provide a secure and uniform web services for emerging payment institutions, UPI develops a Sever-based API Gateway as a front-end to communicate in HTTP methods. This document specifies general requirements of APIs between UPI Server-side API Gateway and API clients, including network communication, application protocol as well as security requirements.

This document applies to API products including: 

• SaaS Card Issuing Service for Issuers

• SaaS Card Issuing Service for App Gateway

• Remittance & P2P Transfer

• Card Not Present Payment

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