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 Supergood's 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.
Supergood's grades measure one thing: can a customer's engineering team get their own data out programmatically? Supergood checks six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and rolls them into a letter grade. Supergood re-verifies grades, and they only move on evidence.
EasyPost has partial MCP support. EasyPost has no official MCP server. Two community-hosted servers in the official MCP registry wrap the EasyPost API for rating, label purchase, and tracking, but both are new gateway projects with minimal adoption.
Partially. MCP support for EasyPost exists but is incomplete, so what MCP clients like Claude, Cursor, and Codex can reach depends on what the available server covers.