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Fiverr Pro
English
$
USD
I will develop graphql API, rest API, API documentation and third party integrations
Frank N.
About this gig
Need a reliable API that connects your application, services, and third-party platforms without broken requests or confusing integrations?
I develop and integrate REST APIs, GraphQL APIs, and third-party APIs designed around your application's requirements. Whether you need a new API, existing API fixes, external service integration, or clear technical documentation, I can help.
Services Offered
- REST API development and integration
- GraphQL API development
- Third-party API integrations
- API authentication and secure requests
- Webhooks and data synchronization
- API testing and troubleshooting
- API documentation
- Database and backend integration
- Existing API fixes and improvements
Tech Stack
PHP, Laravel, Node.js, Python, JavaScript, GraphQL, REST, PostgreSQL, MySQL and more.
Why Choose Me?
- Clean and maintainable implementation
- Clear communication
- Proper testing and error handling
- Documentation for easier maintenance
- Solutions built around your actual workflow
Please message me before ordering so I can review your API requirements and recommend the right approach.
Get to know Frank N.
Frank N.
API Integration l Automation l Web Solutions!
- FromFrance
- Member sinceAug 2026
- Avg. response time4 hours
Languages
French, English, German
Disconnected systems and broken workflows can slow your business down. I help startups, entrepreneurs, and businesses connect APIs, websites, apps, CRMs, payment systems, and third-party platforms with reliable, scalable solutions. From API integration and webhooks to automation and troubleshooting, I focus on clean work and clear communication. Message me to discuss your project.
FAQ
Can you develop a new REST API from scratch?
Yes. I can build REST APIs with endpoints, authentication, validation, database connectivity, error handling and testing based on your requirements.
Can you work with GraphQL?
Yes. I can develop or integrate GraphQL APIs, including queries, mutations, schemas and connections to your backend or external services.
Can you integrate third-party APIs?
Yes. I can connect third-party services and handle authentication, requests, responses, webhooks and data synchronization.
Can you fix an existing API?
Yes. Send me the API documentation, error details and relevant access or code, and I can investigate the problem and implement the required fix.
. Do you provide API documentation?
Yes. I can provide clear API documentation covering endpoints, parameters, authentication, requests, responses and usage examples.
Can you connect the API to a database?
Yes. Depending on your project, I can work with databases such as MySQL and PostgreSQL and connect them to your API/backend.
Can you work with existing code?
Yes. I can integrate with or improve an existing backend/API rather than requiring you to rebuild everything from scratch.
Should I contact you before ordering?
Yes. Please message me first with your requirements, existing documentation or project details so I can confirm the scope and recommend the appropriate package.
