Back to Development Hub
API & Integration
Payment Gateway Integration (Stripe, Razorpay)
Payment gateway integration with Stripe and Razorpay. We implement subscriptions, one-time payments, invoicing, and complex billing with proper compliance.
Get Started99.9%
API Uptime
<50ms
Avg Latency
100%
API Documentation
REST & GraphQL
Protocols
Service Category
Payment Engineering
Ideal For
SaaS, e-commerce, and marketplace applications needing robust, compliant payment processing integration.
Timeline
2 – 6 weeks
Why Choose MicrocosmWorks for Payment Integration?
Payment integrations must be flawless — failed payments mean lost revenue. We implement payment systems that handle edge cases gracefully: failed charges, card expiration, subscription upgrades/downgrades, proration, tax calculation, and webhook reconciliation. Our integrations are PCI-compliant and battle-tested.
Our Payment Integration Capabilities
- Stripe Integration — Implement Checkout, Elements, Billing (subscriptions), Connect (marketplace), and Invoicing with full webhook handling.
- Razorpay Integration — Set up Standard/Route for marketplaces, Subscriptions, and Smart Collect for India-focused businesses.
- Subscription Billing — Build complex subscription models with trials, tiers, usage-based pricing, and automated dunning for failed payments.
- Marketplace Payments — Implement multi-party payments with platform fees, seller payouts, and split payments using Stripe Connect or Razorpay Route.
- Tax & Compliance — Integrate tax calculation (Stripe Tax), generate invoices, and ensure PCI DSS compliance throughout the payment flow.
- Revenue Recovery — Implement smart retry logic, dunning emails, card updater integration, and analytics for reducing involuntary churn.
Technology Stack
We integrate with Stripe (primary for global) and Razorpay (primary for India) using official SDKs. Webhook processing with proper idempotency and ordering. Frontend payment forms use Stripe Elements or Razorpay Checkout for PCI compliance. All implementations include comprehensive payment event monitoring.
Who This Is For
SaaS products implementing subscription billing, e-commerce platforms needing checkout flows, or marketplaces requiring multi-party payments. Whether you're adding payments for the first time or migrating between payment providers, we deliver robust, compliant payment integration.
Our Process
1
Payment Design
Define pricing model, payment flows, subscription tiers, and compliance requirements.
2
Integration Setup
Configure payment provider, set up webhook endpoints, and implement server-side payment logic.
3
Frontend Integration
Build payment forms, checkout flows, billing portal, and subscription management UI.
4
Testing
Test with sandbox environment — successful payments, failures, refunds, disputes, and edge cases.
5
Launch & Monitoring
Go live with production keys, set up payment monitoring, and implement revenue recovery automation.
Technology Stack
Payment Providers
StripeRazorpayPayPalSquare
Billing
Stripe BillingSubscriptionsUsage-BasedInvoicing
Marketplace
Stripe ConnectRazorpay RouteSplit Payments
Compliance
PCI DSSStripe TaxGSTSOC2
Industries We Serve
SaaSE-CommerceMarketplaceFinTechEdTechSubscription Services
Ready to Integrate Payments?
Let's build a payment integration that handles every scenario — subscriptions, marketplaces, and global billing.
Frequently Asked Questions
We integrate Stripe, PayPal, Braintree, Square, Authorize.Net, Adyen, Razorpay, and other payment processors. We help you choose the right gateway based on your geography, transaction volume, and business model.
Payment gateway integration at MicrocosmWorks ranges from $20-$45/hour. The cost depends on the number of payment methods, subscription billing complexity, and PCI compliance requirements.
Yes, we build complete subscription management systems using Stripe Billing including plan creation, proration, trial periods, usage-based billing, dunning management, and webhook handling for subscription lifecycle events.
We use tokenization and hosted payment fields (like Stripe Elements) so sensitive card data never touches your servers, implement TLS encryption, follow PCI DSS guidelines for data handling, and configure audit logging for all payment operations.
Yes, MicrocosmWorks builds multi-currency payment flows with automatic currency detection, localized pricing, exchange rate handling, and region-specific payment method support including SEPA, iDEAL, and other local methods.