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Instanow Info Systems Private Limited (InstiFi) is an RBI-authorized payment aggregator, ensuring trust, compliance, and efficiency in every transaction through PCI Compliant Certification.
GST/CIN: 30AAGCI8747M1Z6/U74999GA2022PTC015558
GST: 30AAGCI8747M1Z6
CIN: U74999GA2022PTC015558
Certificate of Authorization:232/2025
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API Documentation

Payments

Introduction

Payment Gateway

Web Integration
AuthorizationCreate OrderGet Status

Web Integration

The web checkout flow provides merchants with a secure, hosted payment experience that simplifies integration while supporting multiple payment methods. It enables businesses to accept payments through a ready-to-use checkout interface without managing sensitive payment data directly.

Why choose Web Checkout?

  • Simplified Checkout: Use a pre-built checkout interface that reduces integration effort and delivers a smooth payment experience. The checkout supports a wide range of commonly used payment options.
  • Secure & Compliant: Payment information is securely handled by the payment platform, minimizing the merchant’s exposure to sensitive card data and reducing compliance overhead.
  • Customizable Experience: Customize branding elements, available payment methods, and checkout behavior to match your product and business requirements.

Prerequisites

Ensure the following requirements are completed before starting the integration:

  • Create a merchant account on the payment platform.
  • Generate API credentials from the merchant dashboard.

The web checkout integration can be completed by following three core steps:

Step 1
Authentication
Step 2
Create Order
Step 3
Get Status