At THNX | The Outsourcing Programming, we provide end-to-end payment integration services for SaaS platforms, eCommerce stores, and digital products across the United States. Our team connects your application with industry-leading payment gateways like Stripe, PayPal, Square, and Braintree, as well as builds custom API payment solutions tailored to your business logic.
A secure and seamless payment experience is essential for user trust and conversion. We ensure your system meets PCI DSS compliance standards, integrates with modern authentication systems like 3D Secure 2.0, and supports multi-currency transactions for global customers. Whether you’re processing one-time purchases, recurring subscriptions, or marketplace payouts, we design solutions that are reliable, scalable, and fully automated.
Our engineers specialize in API development, webhooks setup, fraud detection systems, and payment data encryption to safeguard both customer and merchant accounts. Using frameworks like Node.js, Express, and Next.js, we ensure all payment flows — checkout, refunds, billing, and reporting — are seamlessly integrated and optimized for performance.
We also implement custom dashboards for payment monitoring and analytics, enabling your finance and operations teams to track real-time transactions and manage invoices efficiently. For SaaS and membership-based systems, we develop robust subscription management modules with flexible pricing tiers, discount logic, and usage-based billing.
Partner with THNX to create a frictionless payment experience that builds customer confidence and scales effortlessly with your business.