I will do rest API integration, graphql API and webhook integration


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Need to connect your application with a third-party service? You've come to the right place.
I specialize in connecting websites, mobile apps, and backend systems so they exchange data securely and efficiently. Whether you're building a new product or improving an existing one, I'll deliver a reliable integration that fits your project's requirements.
Services I offer
- REST Api Integration
- GraphQL Integration
- Webhook Setup & Configuration
- Payment Gateway Integration (Stripe, PayPal, Flutterwave, etc.)
- Google Services
- AI Services (OpenAI, Claude & Gemini)
- CRM Connections (HubSpot, Zoho, Salesforce)
- Shopify & WooCommerce Connectivity
- OAuth & JWT Authentication
- JSON & XML Data Handling
I can also help with
- Debugging connection issues
- Authentication problems
- Webhook troubleshooting
- Error handling
- Postman testing
- Performance improvements
- Code refactoring
- Documentation
Feel free to send me a message first. I'm happy to review your requirements and recommend the best solution.
Conoce a Bartlett
Full Stack Software Engineer
- DeEstados Unidos
- Miembro desdejul 2026
- Responde aprox. en:1 hora
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FAQ
Can you fix an existing API integration?
Yes. If your API is returning errors, authentication is failing, webhooks aren't firing, or data isn't syncing correctly, I can troubleshoot and fix the issue.
Do you work with OAuth, JWT, and API authentication?
Absolutely. I can implement API Keys, Bearer Tokens, OAuth 2.0, JWT authentication, Basic Auth, and other authentication methods.
