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7/3/2026
Building a Multi-Carrier Tracking API After USPS Tightened Tracking Data Access

Building a Multi-Carrier Tracking API After USPS Tightened Tracking Data Access

Short summary

Developer created a multi-carrier shipping tracking API unifying eight carriers (USPS, UPS, FedEx, DHL, OnTrac, Roadie, GoFor, UniUni) into one endpoint with consistent JSON responses, solving API fragmentation and USPS access restrictions. Positioned as a lower-cost alternative to AfterShip and TrackingMore with a free tier. Ideal for ecommerce platforms, order management, and warehouse logistics.

  • •Single API endpoint with automatic carrier detection normalizes inconsistent formats across eight+ carriers
  • •Solves real integration pain: USPS tracking restrictions and API format fragmentation across carriers
  • •Competitively priced against AfterShip/TrackingMore; free plan available for testing

Generated with AI, which can make mistakes.

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