Top 5 API Developers You Can Hire Today

Need to integrate third-party services, build custom endpoints, or streamline your app’s backend? These Fiverr API developers are fluent in REST, GraphQL, and secure authentication. They’re the go-to pros for scalable, well-documented API solutions that just work.

Top 5 API Developers You Can Hire Today | API developers | top freelancers for REST & GraphQL integration | endpoints, JSON, authentication, backend, Upwork

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At Tech Monkeys (PVT) LTD, we specialize in professional API development and integration services tailored to your business needs. With over 10 years of experience and 100+ successful API projects, we deliver custom REST and SOAP APIs, cloud integrations, and automated workflows that scale. Whether you're enhancing a web/mobile app, streamlining operations, or connecting cloud platforms like AWS, GCP, or Azure — our team ensures your systems run smoothly, securely, and efficiently.

🔑 Top 5 Highlights

  • ✅ Custom REST & SOAP APIs - Built for performance, security, and long-term scalability
  • 📱 Web & Mobile Integration - Seamless connectivity across platforms and devices
  • 🤖 Workflow Automation - API-powered business logic to save time and reduce manual effort
  • ☁️ Cloud Integration - AWS, GCP, Azure support for hybrid and cloud-native systems
  • 🛠️ Testing, Optimization & Support - Full lifecycle coverage with troubleshooting, maintenance, and upgrades

🔗 Need enterprise-grade REST or SOAP APIs? Let Tech Monkeys build scalable, secure, and seamless integrations that power your business — fast ⚡, reliable 🔒, and future-ready ☁️.


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We’re a dedicated team of mobile app developers and embedded systems specialists who build Android and iOS apps that communicate directly with hardware. Whether it’s Bluetooth Classic, BLE, iBeacons, or Wi-Fi via Firebase, we’ve built solutions for fitness bands, medical devices, industrial tools, toys, and sensors. We handle everything — from hardware design to software testing — with precision and professionalism. Our goal is pixel-perfect UX, smooth performance, and total client satisfaction.

💼 What I Offer:

  • ✅ Hardware-Connected Mobile Apps - Android/iOS apps that sync with devices via Bluetooth, BLE, iBeacons, and Wi-Fi
  • 🧠 Microcontroller Programming - Custom firmware and embedded logic for seamless device communication
  • 🩺 Diverse Device Experience - Fitness bands, medical equipment, industrial tools, toys, and sensors
  • 🧪 End-to-End Project Handling - From hardware design to software testing, we manage it all
  • 🎨 UX-Focused Development - Friendly, intuitive interfaces with client-first design thinking

📱🔧 Need an app that connects to hardware? Let’s build it — smart 🤖, smooth 🎯, and cross-platform 🚀.


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At BinaryBrix, we specialize in connecting third-party APIs and SDKs to automate workflows, sync platforms, and enhance backend performance. From RESTful and SOAP APIs to AI-powered services like OpenAI and Hugging Face, we build custom integrations that streamline operations across ecommerce, travel tech, CRM, and marketing platforms. Whether you need product sync, chatbot automation, or cross-platform data flow — we deliver scalable, intelligent systems tailored to your business.

💼 What I Offer:

  • ✅ API & SDK Integration - REST, SOAP, Webhooks, AI APIs, and custom third-party services
  • 🛒 Ecommerce Automation - Shopify, Amazon, eBay, WooCommerce, Etsy, Walmart, Selly, OnBuy
  • 🏡 Travel & Property Tech - Escapia, BookingPal, Rentals United, Lodgify integrations
  • 📣 Marketing & CRM Sync - Facebook, LinkedIn, Mailchimp, Zoho, HubSpot, Salesforce, Pinterest
  • 🤖 AI-Powered Systems - ChatGPT, DALL·E, Google Cloud Vision, Hugging Face, Replicate, GPT-4 bots and automations

🔗 Want smarter systems that run while you sleep? Let BinaryBrix automate, sync, and scale your platforms with intelligent API logic. ⚙️


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As a professional API developer, I’ve integrated and developed APIs across platforms like Wix, WordPress, Laravel, and CodeIgniter. With hands-on experience in 35+ APIs — including payment gateways, messaging services, CRMs, and blockchain tools — I specialize in building secure, scalable, and automation-ready systems. Whether you need to sync data, automate workflows, or connect third-party services, I deliver clean, reliable backend logic tailored to your business.


💼 What I Offer:

  • ✅ Payment Gateway Integration - Stripe, PayPal, Skrill, Payeer, Perfect Money, 2Checkout, Payfast, Dragonpay, Coingate, Payplug
  • 🔗 Messaging & Communication APIs - Twilio, Plivo, Nexmo, SendGrid, Chatfuel, Karix.io, CallRails
  • 🧠 CRM & Marketing Tools - ActiveCampaign, Leads API, SMM API, Airtable, Google Sheets
  • 🪙 Blockchain & Crypto APIs - Coinbase, CoinPayments, Block.io, Blockchain API, Txtria
  • 🛠️ Platform-Specific APIs - Wix, WordPress, Laravel, CodeIgniter, EGLH, USPS, Shipment API

🔗 Need seamless API integration across platforms? I’ll connect your systems with precision — fast ⚡, secure 🔒, and scalable 🚀.


Also Read – Top 5 App Developers for iOS & Android on Fiverr




With 7+ years of experience as an API developer, I specialize in integrating secure and reliable payment gateways into custom websites and major platforms. Whether you're working with Stripe, PayPal, Square, Authorize.net, QuickBooks, Flutterwave, Paystack, or Razorpay — I’ll handle the integration swiftly and securely. From subscription setup to webhook testing and error debugging, I deliver clean code, fast communication, and professional support across WordPress, WooCommerce, Laravel, CodeIgniter, Shopify, Wix, and more.

💼 What I Offer:

  • ✅ Multi-Gateway Integration - Stripe, PayPal, Square, Razorpay, Paystack, Flutterwave, Authorize.net, and more
  • 🔐 Secure Payment Handling - Clean code, encrypted data flow, and PCI-compliant practices
  • 🔁 Subscriptions & Recurring Payments - Setup for SaaS, memberships, and billing cycles
  • 🧪 Webhook Configuration & Testing - Real-time triggers, error handling, and performance checks
  • 🛠️ Platform-Wide Support - WordPress, WooCommerce, Laravel, CodeIgniter, Shopify, Wix, PHP, JavaScript

💳 Need secure payment gateway integration? I’ll connect Stripe, PayPal, Razorpay & more — fast ⚡, clean 🧼, and platform-ready 🚀.


Seamless integrations start here. These API developers build secure, scalable endpoints that power modern apps. Hire one and connect your systems with ease.




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