I will develop a rest API and integrate third party apis for your web application

H
heievheg
H
heievheg
Heiev Heg
develop a rest API and integrate third party apis for your web application
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develop a rest API and integrate third party apis for your web application

About this gig

Need a reliable developer to build or integrate a secure REST API for your web application? You're in the right place.


I specialize in custom REST API development and third-party API integration to help businesses connect applications, automate workflows, and improve performance. Whether you need a new API, API integration, payment gateway integration, webhooks, or want to fix an existing API, I'll deliver a secure, scalable, and well-documented solution.


Services I offer:

  • Custom REST API development
  • Third-party API integration
  • Payment gateway integration
  • Webhook setup and automation
  • JWT & OAuth authentication
  • Database integration
  • API debugging and optimization
  • API documentation


I deliver clean, secure, and scalable code with thorough testing to ensure everything works flawlessly. Your satisfaction, clear communication, and on-time delivery are my priorities.


Please contact me before placing an order so we can discuss your requirements and choose the best package for your project.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Programming language

    • JavaScript

  • Frontend framework

    • Angular
    • Bootstrap
    • jQuery
    • Next.js
    • React.js

  • Backend framework

    • Django
    • Laravel
    • Express.js
    • Meteor.js
    • Node.js

Get to know Heiev Heg

Heiev Heg

Nodejs Backend Developer, REST API, GraphQL and API Integration Expert

  • FromUnited States
  • Member sinceJun 2026
  • Avg. response time1 hour

  • Languages

    Spanish
I am a dedicated Backend Developer specializing in Node.js, Express.js, REST APIs, GraphQL, and API integration. I build secure, scalable, and high-performance backend solutions tailored to your business needs. Whether you need custom API development, third-party API integration, backend bug fixes, database integration, or application optimization, I focus on delivering clean, maintainable code with clear communication and on-time delivery. My goal is to provide reliable backend solutions that help your web applications perform efficiently and scale with confidence.

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