I will develop, fix, and integrate any rest API, thirdparty API

N
nasir12341
N
nasir12341
Nasir

Level 1

develop, fix, and integrate any rest API, thirdparty API
Full Screen
develop, fix, and integrate any rest API, thirdparty API

About this gig

I am a Professional API Developer specializing in REST API development, third-party integrations, and custom backend solutions for platforms like Wix, WordPress, Laravel, CodeIgniter, Shopify, custom PHP, and ASP.NET Core.

What I Offer:

  • Custom REST API Development (Laravel / CodeIgniter / PHP / ASP.NET Core)
  • Third-Party API Integration
  • API Bug Fixing & Debugging
  • Webhook Setup & Automation
  • Payment & Crypto Gateway Integration
  • Secure, Scalable, Clean-Code API Solutions

Payment & Crypto Gateways:

Stripe, PayPal, Coinbase, CoinPayments, CoinGate, Payeer, Perfect Money, Skrill, Payfast, 2Checkout, Payplug, Advance Cash, Dragonpay, EGLH, Block.io, Blockchain API

SMS, Voice & Messaging:

Twilio, Plivo, Nexmo, Karix.io, TXTria, Chatfuel

Marketing, CRM & Data

ActiveCampaign, SendGrid, Google Sheets, Airtable, USPS, CallRail, Twitter (X) API, Leads API, Shipment API, SMM API

️ ASP.NET Core API Development:

For clients who need a modern, enterprise-grade backend, I also build robust RESTful services using:

  • ASP.NET Core 3.1+ / .NET 5.0+ Web API
  • Entity Framework Core (Code First)


Note:Please send me your API documentation Link, Cost depends on the complexity of API integration

  • Expertise

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

  • Programming language

    • PHP

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Django
    • Laravel
    • FastAPI
    • Flask
    • Other

Get to know Nasir

Nasir

Software AI Engineer OpenAI Next js ASP NET Core

4.7(157)

Level 1

  • FromPakistan
  • Member sinceNov 2022
  • Avg. response time1 hour
  • Last delivery5 months

  • Languages

    Urdu, English
Hi, I'm Muhammad Nasir, a Senior Full-Stack AI Engineer with 10+ years of experience building AI-powered applications, scalable APIs, and modern web platforms. I help startups and businesses build production-ready software. Expertise: AI Chatbots (OpenAI, Claude, Gemini), AI Agents & MCP, Next.js, React, ASP.NET Core, Laravel, REST APIs, Authentication (JWT/OAuth), PostgreSQL, MySQL, Redis, Docker, Linux, and real-time systems (SSE/WebSockets). I deliver secure, scalable, and maintainable solutions.

Other Software Development Services I Offer

Related tags