I will build rest api, soap api, amazon sp, etsy, ebay api, whatsapp, squarespace api

S
stellanulfred
S
stellanulfred
Stellan U
build rest api, soap api, amazon sp, etsy, ebay api, whatsapp, squarespace api
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build rest api, soap api, amazon sp, etsy, ebay api, whatsapp, squarespace api

About this gig

Are you struggling to connect your apps or marketplaces?


I will seamlessly integrate REST & SOAP APIs, including Amazon SP, Etsy, eBay, WhatsApp, and Squarespace, so your systems communicate flawlessly.


I specialize in secure authentication, error handling, and smooth data transfer, ensuring your integration works reliably every time.

Whether its a simple API setup or a complex multi-API solution, I provide clean, documented code with clear instructions for easy maintenance.


With this gig, you get:

  • Reliable API integration tailored to your business
  • Fully tested and error-handled endpoints
  • Clear documentation and source code
  • Fast delivery and professional support


Lets connect your apps and automate your workflow efficiently!


'MESSAGE ME' to discuss more about your project!

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Operating systems

  • Programming language

    • HTML & CSS

  • Frontend framework

    • AngularJS
    • Ember.js
    • jQuery
    • React.js
    • Vue.js

  • Backend framework

    • Django
    • Laravel
    • Express.js
    • Node.js
    • Spring

Get to know Stellan U

Stellan U
  • FromUnited Kingdom
  • Member sinceDec 2025
  • Avg. response time1 hour

  • Languages

    English, French, German, Spanish
Businesses struggle with broken APIs, failed integrations, slow data syncs, and payment issues that hurt sales. That’s where I come in. I specialize in API integration, eCommerce APIs, Shopify API, Stripe API, Amazon SP API, SOAP API, and custom webhook handlers. I build reliable, scalable, and secure solutions tailored to your system, ensuring smooth automation, faster workflows, and error free communication between platforms. Your integration works every time. 'CONTACT ME' to discuss more about your project!

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