Postmen is the best multi-carrier shipping software and API that enables you to automate shipping processes across USPS, UPS, FedEx, DHL, and 80+ other carriers. Get the required credentials and access The Courier Guy shipping API via Postmen in just a few steps.

Get The Courier Guy Developer Credentials

Email The Courier Guy sales representative and cc support@postmen.com
Tell The Courier Guy you need to obtain The Courier Guy API credentials. 

The Courier Guy will provide testing credentials for both Sandbox and production environment

Required The Courier Guy API credentials
Access key
Secret key
Need notification - can choose if need the notification from The Courier Guy for shipment updated.

Read The Courier Guy docs
Supported The Courier Guy service types and service options
Postmen The Courier Guy technical support: support@postmen.com
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