WTH Carrier Service

Shopify Carrier Service for WheelTireHub.ca — returns real-time FedEx Ground + GLS Canada shipping rates.

Endpoints

• POST /api/rates — Main Shopify rate callback
• GET /api/health — Health check
• GET /api/shopify/install — OAuth install entry point
• GET /api/shopify/callback — OAuth callback
• POST /api/register — Register carrier service in Shopify

Source: gitlab.com/pmctire/internal/wheel-tire-hub (carrier-service/)