I will do API integration stripe API wordpress API, PHP API, firebase, supabase backend


About this gig
Are you looking for a reliable API developer to seamlessly connect your systems, automate processes, and build a powerful backend that just works?
You're in the right place.
I specialize in secure, scalable, and high-performance API integration for modern web applications and businesses.
Whether you need Stripe payment integration, WordPress API connection, PHP backend APIs, Firebase setup, Supabase backend architecture, OAuth2 authentication, JWT security, or OpenClaw integration, I will deliver a clean, optimized, and production-ready solution tailored to your needs.
WHAT I OFFER
Stripe Payment Gateway Integration (one-time & subscriptions)
WordPress REST API Integration & Custom Endpoints
PHP REST API Development & Integration
Firebase Authentication, Database & Cloud Functions
Supabase Backend Setup & Integration
OAuth2 & JWT Authentication Systems
OpenClaw Installation & Integration
Third-party API Integration
Bug Fixing & API Troubleshooting
WHY CHOOSE ME
Clean, Secure & Scalable Code
Fast Response & On-Time Delivery
Fully Tested & Production-Ready APIs
Client-Focused Support
Send me a message before placing your order to discuss your project requirement
Get to know Cornelius
API Integration Expert, Stripe, Shopify, Zapier and Ai Autom
- FromUnited States
- Member sinceFeb 2026
- Avg. response time1 hour
Languages
French, Spanish
