EasyPost API
EasyPost is an API-first shipping platform: full REST reference at docs.easypost.com and official client libraries in eight languages. Signup is self-serve with a free Developer Plan of 120,000 labels per year. Pricing is usage-based at $0.08 per label past the free tier.
Frequently asked questions
EasyPost scores A on the API Report Card. EasyPost is an API-first shipping platform: full REST reference at docs.easypost.com and official client libraries in eight languages. Signup is self-serve with a free Developer Plan of 120,000 labels per year. Pricing is usage-based at $0.08 per label past the free tier.
EasyPost has a workable official integration path. Most engineering teams can build against it directly. Open API: self-serve, documented, with SDKs
EasyPost is a multi-carrier shipping API that abstracts away the complexity of integrating directly with USPS, FedEx, UPS, DHL, and 100+ other regional and international carriers behind a single REST interface.
Primary vertical: Fleet / Trucking / Logistics, specifically the parcel-shipping infrastructure layer. An ecommerce platform integrates EasyPost during checkout and fulfillment: at checkout, the storefront calls the Rate endpoint with origin, destination, and parcel dimensions to display live carrier options and prices; once an order is placed, the backend POSTs to /shipments to buy the chosen label, receives a PDF/PNG/ZPL label URL, prints it, and registers a webhook to receive Tracker events as the carrier scans the package.
Very high inside developer-facing shipping infrastructure.
EasyPost is the system of record for shipping labels (each label is a paid transaction with a real-world physical-mail counterpart that cannot be "undone" once printed and scanned), carrier rate quotes presented to end consumers at checkout (a stale or wrong rate becomes a direct margin loss), address verification results that decide whether an order ships at all, and Tracker webhook events that drive customer-facing order-status emails and SMS.
EasyPost was founded on November 5, 2012 in Lehi, Utah by Jarrett Streebin and Jon Calhoun, and is now ~13 years old.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.