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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.
Certificate of Authorization:232/2025
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Office #325, 2nd floor, Casa-del-Sol, Miramar, Panaji, Goa - 403001.
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Card Payments with InstiFi

Credit & Debit Cards – Fast, Secure & Widely Accepted

Accept payments effortlessly with support for all major credit and debit cards. InstiFi’s infrastructure delivers a smooth, trusted checkout experience with higher success rates, strong security, and instant confirmations—designed for modern businesses.

PCI DSS Compliant3D Secure EnabledInternational Card Support
Customer paying online using credit and debit cards
Success Rate Optimisation

Designed for Higher Authorisation & Fewer Drop-offs

InstiFi uses intelligent routing, real-time issuer insights, and adaptive retry strategies to improve your card payment success rates without compromising on security.

  • Smart routing to high-performing bank gateways.
  • Retry flows for soft declines and network errors.
  • Issuer-specific optimisation rules and insights.
  • Real-time analytics to understand failures and improve performance.
Card payment success rate analytics dashboard
Secure card payments with lock and shield icons
Security & Compliance

Industry-Grade Security, Trusted by Modern Businesses

InstiFi’s card stack is designed to meet and exceed industry security standards so you can focus on growth while we protect your payments.

  • PCI DSS compliant infrastructure for card data.
  • Tokenization to avoid storing raw card details.
  • 3D Secure 2.0 flows for added authentication.
  • Fraud detection, velocity checks, and rule engine.
  • Continuous monitoring and alerting for suspicious activity.
Developer-first

Developer-Friendly APIs & Tools

Build exactly the card payment experience you want with InstiFi’s modern APIs, SDKs, and tools designed to keep integration fast and maintenance low.

  • Unified APIs for all payment methods
  • Drop-in card checkout SDKs for Web, Android, and iOS
  • Hosted PCI-compliant fields for sensitive card data
  • Webhooks for payment and refund lifecycle events
  • Full sandbox environment for safe testing
  • Detailed API documentation and code samples
View API documentation
Developer integrating card payments using InstiFi APIs

Payment Flow

How InstiFi Processes Every Card Transaction

A clear, step-by-step breakdown of how each card transaction is processed.

Customer Enters Card Details
STEP 1

Customer Enters Card Details

Your customer securely enters card number, expiry date, CVV, and other required details on InstiFi’s PCI-compliant checkout.

Authentication & Fraud Checks
STEP 2

Authentication & Fraud Checks

We route the transaction through 3D Secure (OTP-based authentication where applicable) and run fraud checks in real time.

Issuer Bank Authorisation
STEP 3

Issuer Bank Authorisation

The issuing bank validates card status, available balance, and risk indicators before approving or declining the transaction.

Instant Status & Confirmation
STEP 4

Instant Status & Confirmation

InstiFi sends an instant success or failure response to your app or website so you can update the customer in real time.

Settlement to Your Bank Account
STEP 5

Settlement to Your Bank Account

Approved transactions are batched and settled into your linked business bank account based on your settlement cycle.

Benefits

Why businesses choose InstiFi

Provide a payment experience that feels safe for customers and efficient for your teams.

Higher Conversion Rates

A polished, familiar card flow reduces friction at checkout and helps more customers complete their purchases.

Reduced Chargebacks

Built-in risk controls, 3D Secure, and configurable rules help you proactively reduce disputes and chargebacks.

Smooth Customer Experience

From OTP verification to final confirmation, every step is designed to feel effortless, secure, and responsive.

FAQs

Frequently Asked Questions

Answers to common questions about accepting credit and debit cards with InstiFi.

Start Accepting Card Payments Instantly

Offer your customers a card payment experience that feels familiar, secure, and premium—backed by InstiFi’s trusted infrastructure.

Activate Card Payments