EasyPost API
Multi-carrier shipping API that normalizes label creation, rate shopping, address verification, and tracking across 100+ carriers (UPS, USPS, FedEx, DHL, etc.) through a single unified interface.
Best When
An agent needs to automate shipping label creation across multiple carriers, compare rates, and track packages through a single unified API.
Avoid When
You only use one carrier and have a direct integration, or need very specialized freight/logistics features.
Use Cases
- • Buying shipping labels across multiple carriers from a single agent workflow
- • Rate shopping to find cheapest or fastest carrier for a shipment
- • Address verification before creating shipments
- • Shipment tracking across all carriers with unified status events
- • Batch label creation for order fulfillment automation
Not For
- • Last-mile delivery optimization (routing, dispatch)
- • Freight/LTL shipping at enterprise scale
- • Non-shipping logistics operations
- • Carriers outside EasyPost's network (regional/local couriers)
Alternatives
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Scores are editorial opinions as of 2026-03-01.