I will do API integration, rest API development and third party API integration


About this gig
Hey there! Need a reliable developer for API integration or REST API development?
I can connect your website, application, or software with third-party services using secure and efficient API solutions.
What I can do:
- REST API integration and development
- Third-party API integration
- Custom API development
- API authentication and authorization
- Payment gateway API integration
- Database and API integration
- API debugging and troubleshooting
- JSON data handling and error fixing
Why choose me?
- Clean, maintainable source code
- Secure and reliable integrations
- Thorough testing and debugging
- Clear communication and timely delivery
- Support after project completion
Whether you need to connect a payment provider, CRM, SaaS platform, external service, or custom backend, I'll create an API solution tailored to your requirements.
Ready to get started?
Please message me before ordering with your API documentation, project requirements, existing code (if applicable), and expected functionality. I'll review your requirements and recommend the right package for your project.
Get to know Paul Becker
Website Developer Shopify Migration and Digital Marketing Expert
- FromUnited States
- Member sinceOct 2026
Languages
English, French, Spanish, Italian, German, Croatian, Dutch, Portuguese
FAQ
Is the data and API information I share with you safe and secure?
Yes. Your source code, API keys, credentials, and project information will be treated as confidential and used only for completing your project.
Do you provide support after the integration is completed?
Yes. I provide post-delivery support to make sure the API integration works correctly and to help with questions related to my implementation.
What do you need from me before starting?
Please provide your API documentation, required endpoints/features, existing source code if applicable, authentication details, and a clear explanation of the expected functionality.
What types of APIs can you integrate?
I can work with REST APIs, third-party APIs, payment APIs, CRM APIs, SaaS APIs, custom APIs, and other web services depending on their documentation and requirements.
Can you fix an existing API integration that is not working?
Yes. I can troubleshoot API errors, authentication problems, incorrect requests or responses, data handling issues, and existing integration bugs.
Can you integrate APIs that require authentication?
Yes. I can implement common authentication methods such as API keys, bearer tokens, OAuth-based authentication, and other methods supported by the API.

