Browse categories
English
$
USD
Connect to your AI
I will build rest API development and integration
Hassan S
About this gig
Need a reliable API for your application or want to connect with a third-party service?
I will develop secure, scalable REST APIs and integrate third-party APIs using Laravel, PHP, Node.js, and Express.js.
My services include:
- REST API development
- Third-party API integration
- Authentication and authorization
- CRUD operations and database integration
- Payment gateway and webhook integration
- API debugging and bug fixing
- Request validation and error handling
- API testing and documentation
- React and Vue.js API integration
Why choose me?
- 9+ years of web development experience
- Clean, maintainable code
- Security-focused development
- Reliable communication and attention to detail
Whether you need a new API, an external service integration, or fixes to an existing API, I'll deliver a solution tailored to your requirements.
Please contact me before ordering to discuss your requirements, API documentation, and project scope.
Let's connect your systems seamlessly!
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Hassan S
Hassan S
Senior Full Stack Developer Laravel React Node JS
- FromPakistan
- Member sinceMay 2017
- Avg. response time1 hour
Languages
Urdu, Punjabi, English
I’m a full stack developer with several years of experience building, maintaining, and improving web applications. I mainly work with PHP, Laravel, React, Node.js, MySQL, REST APIs, and modern web technologies. I can help with new development, fixing bugs, improving existing applications, API integrations, database work, and performance issues. I’m comfortable working with existing codebases and understanding how things work before making changes. My focus is on writing clean, reliable code and delivering practical solutions that actually solve the problem.
My Portfolio
FAQ
What technologies do you use for REST API development?
I work with Laravel, PHP, Node.js, and Express.js, along with MySQL and other databases depending on project requirements.
Can you integrate third-party APIs into my application?
Yes, I can integrate third-party APIs for payments, communication, external data, and other services, subject to the provider's API documentation and access requirements.
Can you develop a REST API from scratch?
Yes, I can develop REST APIs with endpoints, request validation, database operations, error handling, and structured JSON responses.
Do you implement API authentication and authorization?
Yes, I can implement suitable authentication and authorization methods based on your application's requirements and the API's security needs.
Can you fix errors in my existing API?
Yes, I can troubleshoot API errors, resolve integration issues, debug incorrect responses, and fix problems in existing endpoints.
Do you integrate payment gateways?
Yes, I can integrate supported payment gateway APIs. The exact scope depends on the provider, documentation, credentials, and required payment workflow.
Will you provide API documentation?
Yes, documentation is included according to your selected package. It can cover endpoints, request parameters, responses, and authentication requirements.
What do you need before starting the project?
Please provide your requirements, API documentation if available, endpoint list, authentication details, and relevant test credentials. Never share live secret keys in public messages.
Can you connect my API with React or Vue?
Yes, I can connect REST APIs with React.js, Vue.js, and other frontend applications, depending on your project's requirements.
