I will integrate checkout shipping rates labels tracking using shipping apis

U
uchecosmas
U
uchecosmas
Uche Cosmas
integrate checkout shipping rates labels tracking using shipping apis
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integrate checkout shipping rates labels tracking using shipping apis

About this gig

I will integrate checkout shipping rates, shipping labels, and tracking using shipping APIs for ecommerce websites and custom applications.


If your checkout shipping rates are missing or incorrect, label generation fails, or tracking is not updating, I will build or fix the integration so it works reliably.


What I can do;

  • Real time shipping rates API integration
  • Rate calculation
  • Rate shopping, shipping label API
  • Tracking API integration
  • Webhook integration
  • Aaddress validation
  • Error handling
  • Logging, retries
  • And testing in sandbox and production.


Supported providers;

DHL, UPS, FedEx, USPS, and popular shipping API platforms such as EasyPost, Shippo, and ShipStation depending on your setup.

What you get;

  • Clean working integration
  • Tested results
  • And clear steps to verify the output on your side.



Before ordering


Please message me your platform, provider, and your current issue or requirements so I can confirm scope and timeline.

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Source control

  • Programming language

    • JavaScript

  • Frontend framework

    • React.js

  • Backend framework

    • FastAPI

Get to know Uche Cosmas

Uche Cosmas

Shipping API Fix and Automation Expert

5.0(2)
  • FromNigeria
  • Member sinceFeb 2026
  • Avg. response time2 hours
  • Last delivery3 weeks

  • Languages

    English, French, Spanish
I specialize in fixing, integrating, and automating shipping APIs including DHL, UPS, FedEx, and USPS. If you're facing issues with shipping labels, tracking APIs, webhook errors, or rate calculations, I provide fast and reliable solutions. I help eCommerce businesses streamline their shipping workflows with efficient API automation and bug fixes. Whether it's setup, troubleshooting, or full integration, I ensure your shipping system works smoothly and efficiently. Let’s get your shipping process running perfectly.

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