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Fiverr Pro
English
$
USD
I will fix or integrate any rest API development and stripe integration
fether
About this gig
Is your REST API failing, Stripe payment integration not working, Shopify API returning errors, or a third-party API refusing to connect?
I can FIX, DEVELOP, and INTEGRATE reliable API solutions that connect your website, application, store, or backend with the services you need.
WHAT I CAN HELP WITH:
- REST API development & integration
- Third-party API integration
- Stripe & payment gateway integration
- Shopify API integration & automation
- API authentication, OAuth & API keys
- Webhooks & event-based integrations
- API errors, bugs & failed requests
- Database & backend integration
- API testing and troubleshooting
- Custom API endpoints & documentation
WHY WORK WITH ME?
I focus on solving the actual problem not just connecting an API. You'll get clean, secure, tested, and maintainable integration with clear communication throughout the project.
Whether you need to FIX an existing API, CONNECT a third-party service, or BUILD a complete API solution, I can help.
Send me your API documentation, error message, current setup, or project requirements before ordering, and I'll review what you need.
Let's get your API integration working reliably.
Get to know fether
fether
OpenAI, ChatGPT, and custom GPT integrator
- FromUnited Kingdom
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English
I help businesses, startups, and entrepreneurs build smart AI chatbot solutions using OpenAI, ChatGPT, and custom GPT integrations. Whether you need a website chatbot, AI agent, or chatbot automation, I create scalable systems that improve customer support, lead generation, and engagement. I specialize in AI integration, chatbot development, and OpenAI API solutions with clean, reliable work and clear communication. Let’s turn your idea into a powerful AI chatbot
contact me before placing an order.
FAQ
What API integrations can you help with?
I can integrate REST APIs, third-party APIs, Stripe, payment gateways, Shopify API, webhooks, authentication systems, and other API-based services.
Can you fix an existing API that is not working?
Yes. I can troubleshoot API errors, failed requests, authentication issues, webhook problems, incorrect responses, and broken integrations.
Can you integrate Stripe or a payment gateway?
Yes. I can integrate Stripe and other payment gateways into your website, application, or backend, including payment flows and webhooks.
Can you integrate Shopify API?
Yes. I can connect Shopify API with your website, application, backend, or third-party service for data synchronization, automation, and custom functionality.
What do you need from me before starting?
Please provide your API documentation, credentials or test keys where applicable, project details, current code/setup, and any error messages you are experiencing.
Can you work with an existing backend?
Yes. I can work with an existing backend and integrate, troubleshoot, or modify the API without rebuilding your entire application.
Will you test the API integration?
Yes. I test API requests, responses, authentication, webhooks, and the main integration flow to ensure everything works as expected.
Can you integrate multiple APIs in one project?
Yes. Multiple API integrations are available depending on the project scope. Please message me first so I can determine the best package.
