Contact person: Business Client

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Location: Kansas City, United States

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I run a group of Magento 1.9 stores and need help on three fronts:

1. OAuth 2.0 integration
Magento 1.9 only ships with OAuth 1, yet I must hook the platform to several third-party services that now insist on OAuth 2.0. I’m not sure which grant type or token flow is best, so I need someone who can evaluate the current REST setup, add the required endpoints, and leave me with a working, documented OAuth 2.0 layer ready for production use.

2. USPS API update
USPS has changed its API, and my existing module is throwing errors. I need the code updated—or replaced—to comply with the new USPS Web Tools specifications so real-time rates and labels work again.

3. UPS rates not showing
UPS quotes have disappeared from checkout. Please trace the issue (API credentials, carrier XML, or something deeper) and restore accurate, live UPS shipping rates.

Deliverables
• Magento 1.9 extension or override that enables OAuth 2.0 and connects successfully to at least one sample third-party service.
• Updated USPS module that returns current rates and prints labels inside the admin panel.
• Restored UPS rate functionality verified at checkout on staging and live sites.
• Brief deployment guide covering any new config fields, API credentials, and token refresh steps.

If you’re fluent in PHP, Magento 1.x, OAuth 2.0, and carrier web services, I’m ready to start fairly quickly, pending authorization from company president" (client-provided description)