Node.js SDK for USPS Web Tools APIs
Node.js client for with stamps.com's API.
An easy to use and well tested interface for interacting with UPS api.
Node.JS PostageApp API Client
EasyPost API wrapper and command line utility for node.js.
Measure weight using a Stamps.com digital USB postage scale.
A wrapper for the Canada Post API for dmoestic, US and international rates
A wrapper for the Canada Post API to save you time