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PAYMENT GATEWAY INTEGRATION

Secure and seamless payment experiences

Integrate trusted payment gateways to accept online payments securely. We build seamless, scalable payment solutions for web and mobile applications with provider-aligned security controls.

Connected payment gateways and a secure checkout interface

Multiple Payment Methods

Cards, UPI, wallets, net banking and more.

Secure & Compliant

Provider-aligned integrations with best security practices.

Custom Integration

Tailored to your business logic and user experience.

Real-Time Tracking

Monitor transactions, webhooks and payment status.

02 / INTEGRATION SERVICES

Payment integration services

A focused delivery scope for web apps, mobile apps, marketplaces and SaaS platforms.

01

Checkout & Payment APIs

Hosted checkout, embedded payment flows, server-side order creation and payment verification.

02

Subscription Billing

Recurring payments, plan changes, invoice lifecycle, renewal retries and cancellations.

03

UPI, Cards & Wallets

Offer locally relevant payment methods, net banking and supported international options.

04

Refunds & Reconciliation

Connect refunds, settlements, transaction reports and finance workflows.

05

Webhooks & Event Processing

Verify signatures, handle duplicate events and recover safely from missed callbacks.

06

Marketplace Payments

Vendor onboarding, split payouts and settlement flows where supported by the provider.

03 / SYSTEM ARCHITECTURE

From checkout to confirmed payment

Payment systems need more than a checkout button: verification, idempotency and reliable state transitions.

01

Client checkout

User selects a payment method and confirms the purchase.

02

Backend order

Server calculates the amount, creates an order and stores its identifier.

03

Payment gateway

Provider authenticates the payment and reports the transaction status.

04

Verified event

Backend validates the signature, checks the order and processes webhooks.

05

Business action

Issue receipt, unlock access, update order and sync finance systems.

BUILD FOR: Signature validation · Idempotent operations · Pending states · Error recovery · Reconciliation

04 / IMPLEMENTATION PROCESS

A structured payment integration roadmap

Five phases, each focused on a tested and documented production outcome.

01

Discovery & requirements

Map regions, payment methods, business entities, billing models and provider constraints.

02

Gateway & UX design

Choose supported gateway APIs, user flows, refund policies and authentication.

03

Development & integration

Build backend order logic, frontend checkout, webhook consumers and transaction records.

04

Testing & validation

Test sandbox, failed payments, duplicate callbacks, timeouts and refund scenarios.

05

Launch & operations

Configure production credentials, monitoring, alerting and support ownership.

05 / SECURITY AND RELIABILITY

Payment security built into the workflow

Clear controls for sensitive information, financial transactions and operational continuity.

Tokenization & hosted fields

Keep sensitive card data with payment providers wherever possible.

Signature verification

Validate gateway callbacks and webhook authenticity before state changes.

Access & secrets

Apply least-privilege access, secure secret storage and environment isolation.

Fraud & risk controls

Integrate supported authentication, limits and provider risk signals.

Audit trail

Record order IDs, event history, refunds and state transitions.

Monitoring & recovery

Retry safely, alert on failures and reconcile mismatched settlements.

Compliance obligations depend on the integration model, payment provider and business scope.

06 / BUSINESS APPLICATIONS

Payment flows built for real businesses

Adapt the integration to checkout, billing, fulfillment and finance operations.

01

E-commerce

Cart checkout, order confirmations, refunds and failed-payment recovery.

02

SaaS & subscriptions

Recurring billing, upgrades, downgrades and invoice status updates.

03

Mobile applications

In-app checkout experiences, payment callbacks and purchase verification.

04

Marketplaces

Seller onboarding, commission logic and payout workflows.

05

Education & bookings

Registration fees, scheduled payments, booking confirmations and receipts.

06

B2B platforms

Invoices, payment links, reconciliation and ERP/CRM synchronization.

07 / FREQUENTLY ASKED QUESTIONS

Plan your payment integration

Answers to common questions before the build begins.

Which payment gateways can you integrate?

Razorpay, Stripe, PayPal, Cashfree and other providers with suitable APIs and regional availability.

Can you support subscriptions and refunds?

Yes. Scope recurring billing, retries, cancellation, refunds and reconciliation around the provider capabilities.

How do you test payment failures?

Use sandbox flows and controlled tests for declines, timeouts, duplicate events, refunds and reconciliation.

How long does implementation take?

Timing depends on provider approvals, checkout complexity, billing rules and integration requirements.