Stripe, PayPal, Subscription Billing & Custom Checkout
Payment Gateway Integration — Accept Payments Seamlessly
We integrate payment gateways into your web application, mobile app, or SaaS platform. From one-time payments and subscription billing to marketplace payouts and multi-currency support, we build secure, PCI-compliant payment flows that maximize conversion and minimize failed transactions.
ZTABS provides payment gateway integration — We integrate payment gateways into your web application, mobile app, or SaaS platform. From one-time payments and subscription billing to marketplace payouts and multi-currency support, we build secure, PCI-compliant payment flows that maximize conversion and minimize failed transactions. Our capabilities include stripe integration, subscription management, multi-payment methods, and more.
How We Approach Payment Gateway Integration
Payment integration is more than dropping in a Stripe widget. We build complete payment architectures — checkout flows optimized for conversion, subscription management with dunning and proration, marketplace payouts with connected accounts, invoicing, tax calculation, and revenue recognition. Whether you're launching a new SaaS, adding subscriptions to your platform, or building a marketplace with split payments, we deliver secure, reliable payment infrastructure.
Common Use Cases for Payment Gateway Integration
- Integrate Stripe Checkout and Stripe Elements for web payments
- Build subscription billing with trials, upgrades, and dunning
- Set up marketplace payouts with Stripe Connect
- Integrate PayPal, Apple Pay, Google Pay alongside credit cards
- Build custom checkout flows with address validation and tax calculation
- Implement webhook handlers for payment lifecycle events
- Add metered usage billing for API-based SaaS products
- Build invoicing and revenue recognition systems
What Our Payment Gateway Integration Includes
Core capabilities we deliver as part of our payment gateway integration.
Stripe Integration
Full Stripe integration — Checkout, Elements, Payment Intents, Subscriptions, Connect, Invoicing, and Billing Portal. We handle the complexity so you get a seamless payment experience.
Subscription Management
Recurring billing with free trials, proration, plan changes, cancellation flows, dunning for failed payments, and usage-based metering.
Multi-Payment Methods
Accept credit cards, debit cards, ACH, Apple Pay, Google Pay, PayPal, bank transfers, and regional payment methods — all through a unified integration.
Marketplace Payouts
Split payments between your platform and sellers using Stripe Connect. Handle onboarding, identity verification, payout schedules, and tax reporting.
PCI Compliance
Our integrations use tokenization and Stripe Elements to minimize your PCI scope. No sensitive card data touches your servers.
Webhook Processing
Reliable webhook handlers for all payment events — succeeded, failed, refunded, disputed. Idempotent processing ensures no duplicate charges or missed events.
Technologies We Use for Payment Gateway Integration
Our team picks the right tools for each project — not trends.
Stripe
Stripe powers payments for millions of businesses. Accept cards, digital wallets, and local methods. Manage subscriptions, invoicing, and revenue recognition. Developer-first APIs and webhooks for full control.
Unified Payments API
Subscriptions
Stripe Billing
Developer Experience
Compliance
Node.js
Node.js empowers businesses to build scalable applications with unparalleled speed and efficiency. By leveraging its non-blocking architecture, organizations can deliver seamless user experiences and accelerate time-to-market, driving innovation and growth.
Scalable Performance
Faster Time-To-Market
Cost Efficiency
Enhanced User Experience
Robust Ecosystem
Cross-Platform Compatibility
Next.js
Next.js transforms web applications into high-performance, SEO-friendly platforms that drive user engagement and boost conversion rates. Leverage its capabilities to streamline your development process and accelerate time-to-market, ensuring your business stays ahead of the competition.
Blazing Fast Performance
SEO Optimization
Server-Side Rendering
Scalable Architecture
Enhanced Security Features
Rich Ecosystem and Community Support
TypeScript
TypeScript is a typed superset of JavaScript that adds static type checking and enhanced tooling. Catch errors at compile time, improve code maintainability, and accelerate development with world-class IDE support.
Static Type Checking
Enhanced IDE Support
Better Code Documentation
Improved Maintainability
Gradual Adoption
React
Harness the power of React to accelerate your development process, enhance user experiences, and drive ROI. With its component-based architecture, React allows businesses to build dynamic applications that are both scalable and maintainable, ensuring long-term success in a competitive landscape.
Rapid Development
Scalability
Enhanced User Experience
Cost Efficiency
Strong Community Support
SEO Optimization
From Discovery to Launch
Our Payment Gateway Integration Process
Every payment gateway integration project follows a proven delivery process with clear milestones.
Payment Architecture
Design the payment flow — one-time vs recurring, pricing model, tax requirements, supported payment methods, and payout structure.
Integration Development
Build the payment integration with proper error handling, webhook processing, and frontend checkout components.
Testing & Security
Comprehensive testing with Stripe test mode — edge cases, failed payments, refunds, disputes, subscription changes, and webhook reliability.
Launch & Monitor
Go live with monitoring for failed payments, webhook errors, and revenue metrics. Provide ongoing support for pricing changes and new payment methods.
Why Choose ZTABS for Payment Gateway Integration?
What sets us apart for payment gateway integration.
Stripe Certified Experts
We've integrated Stripe into dozens of SaaS platforms, marketplaces, and e-commerce stores. We know every API, edge case, and best practice.
Conversion-Optimized
Checkout flows designed for maximum conversion — minimal friction, smart defaults, saved payment methods, and one-click payments.
Subscription Specialists
We handle the complexity of recurring billing — proration, plan changes, trials, dunning, metered billing, and revenue recognition.
Secure by Default
PCI-compliant architectures that minimize your security scope. Tokenization, server-side validation, and idempotent webhook processing.
Ready to Get Started with Payment Gateway Integration?
Projects typically start from $10,000 for MVPs and range to $250,000+ for enterprise platforms. Every engagement begins with a free consultation to scope your requirements and provide a detailed estimate.
Frequently Asked Questions About Payment Gateway Integration
Find answers to common questions about our payment gateway integration.
Stripe is our default recommendation for most businesses — best developer experience, broadest feature set, and excellent documentation. We also integrate PayPal, Square, Braintree, and Adyen based on specific requirements like regional coverage or pricing.
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SaaS Development
End-to-end SaaS development from MVP to scale — multi-tenancy, Stripe billing, role-based access, and cloud-native architecture. We have built and shipped 23 SaaS products of our own, serving 50,000+ users. Next.js, Node.js, PostgreSQL, AWS and Vercel.
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500+
Projects Delivered
4.9/5
Client Rating
90%
Repeat Clients