Canada Post Developer Guide & API Credentials

This developer guide teaches you how to get access to Canada Post shipping API via Postmen. See also the list of required API credentials / keys for Canada Post integration.

Get Canada Post API Credentials

  1. Register for a Canada Post shipper account if you do not already have one. Login to your account.  
  2. Select Business Solutions --> Ecommerce Solutions --> Developer Program
  3. Note down the  API Key -one for development and one for production. 
  4. Use the Canada Post API key along with your Canada Post  customer-number and contract-id (optional) to generate label at Postmen. contract-id is optional for users who chose to use credit card payment for CanadaPost shipping labels.


Required Canada Post API credentials

Credentials Environment Description
API key Sandbox / Production API credentials to access Canada Post web service and Postmen API.
contract-id(Optional) Development / Production Canada Post Contract ID
customer-number Development / Production Canada Post Customer Number

Canada Post Developer Resources

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