Payment Gateway Integration Services for Secure, Reliable Transactions

We integrate payment gateways — Stripe, Razorpay, PayPal, and more — with proper error handling, security compliance, and reconciliation built in.

Payments Are the One Integration You Cannot Afford to Get Wrong

A failed or mishandled payment integration means lost revenue and frustrated customers. We integrate payment gateways with careful attention to error handling, webhook reliability, and compliance requirements like PCI-DSS.

Why Choose NIMU for Payment Gateway Integration

Multi-Gateway Expertise

Stripe, Razorpay, PayPal, and other gateways integrated correctly.

PCI-DSS Aware Integration

Handling card data in ways that minimise your compliance burden.

Webhook Reliability

Robust webhook handling for payment confirmations and failures.

Refunds & Disputes

Refund flows and dispute handling built in, not an afterthought.

Reconciliation Support

Payment records that reconcile cleanly with your accounting.

Sandbox-Tested

Every integration validated thoroughly in sandbox before going live.

What We Deliver

A comprehensive suite of capabilities packaged into every engagement.

1

Payment Gateway Integration

Integrating Stripe, Razorpay, PayPal, or other gateways into your application.

2

Subscription & Recurring Billing

Recurring payment setup for subscription-based products.

3

Webhook & Reconciliation Handling

Reliable webhook processing and payment reconciliation.

4

Multi-Currency & Multi-Gateway Support

Supporting multiple currencies or gateway providers in one checkout flow.

Our Delivery Process

A proven, transparent process that keeps your project on time and on budget.

1

Requirements Review

Understanding your payment flows, currencies, and compliance needs.

2

Integration Design

Planning the checkout flow, webhook handling, and error cases.

3

Development & Sandbox Testing

Building and validating the integration in the gateway's sandbox environment.

4

Production Rollout

Going live with monitoring for payment failures and webhook issues.

Frequently Asked Questions

Everything you need to know before getting started.

We regularly integrate Stripe, Razorpay, PayPal, and other major gateways, and can work with region-specific providers as needed.
We design integrations using the gateway's hosted fields or tokenization so card data never touches your servers directly, significantly reducing your compliance burden.
We build proper webhook handling for payment failures, refunds, and disputes, so these cases are handled automatically rather than requiring manual intervention.
Yes, we integrate recurring billing features from gateways like Stripe Billing for subscription-based products.
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