I will fix or develop shopify api, amazon sp api, soap api, ebay, rest api integration

H
haltonr
H
haltonr
Halton R
fix or develop shopify api, amazon sp api, soap api, ebay, rest api integration
Full Screen
fix or develop shopify api, amazon sp api, soap api, ebay, rest api integration

About this gig

If your APIs are not working properly, your entire system suffers orders fail, data doesn't sync, and automation breaks when you need it most.



I help businesses fix, develop, and integrate APIs with precision, ensuring your platforms communicate smoothly and reliably. Whether you're dealing with Shopify, Amazon, or custom APIs, I deliver stable and scalable solutions built for real business use.



I work with:

Shopify API

Amazon SP API

eBay API

REST API

SOAP API

WordPress API

Stripe API

PayPal API

DHL Shipping API

FedEx API

UPS API

Etsy API

WooCommerce API

Google Sheets API

Apps Script API

Payment Gateway APIs

Ecommerce APIs

Custom APIs

Third-party integrations

API automation systems


From fixing broken integrations to building new API connections, I ensure secure authentication, clean data flow, and proper error handling.


What you get:

  • Reliable API connections
  • Clean and optimized code
  • Secure and tested integrations
  • Clear communication throughout


Every project is handled with attention to detail and long-term performance in mind.


Not sure what you need yet?

Contact me with your requirements I'll review your setup and guide you to the best solution before you place an order.

  • Expertise

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

  • Programming language

    • HTML & CSS

  • Frontend framework

    • Backbone.js
    • Ember.js
    • Flutter
    • Next.js
    • React.js

  • Backend framework

    • Django
    • CakePHP
    • Express.js
    • FastAPI
    • Node.js

Get to know Halton R

Halton R

CUSTOM API DEVELOPMENT AND INTEGRATION

  • FromUnited Kingdom
  • Member sinceNov 2025
  • Avg. response time1 hour

  • Languages

    English, French, German, Spanish
Struggling with broken APIs, failed automation, or integrations that slow your business? I'm Halton, I help businesses fix and integrate powerful systems smoothly. I specialize in Amazon SP API, Shopify API, SOAP API, REST API, Twilio API, webhooks and eCommerce API connections. From custom integrations to API troubleshooting, workflow automation, and backend fixes payment gateways, we I deliver secure, fast, and reliable solutions that scale. Let’s connect your platforms the right way and keep your business running smoothly.

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