Ontrac Developer Guide & API Credentials
Overview
This developer guide shows how to access OnTrac shipping API via AfterShip Shipping. See also the list of required API credentials/keys for OnTrac integration.
Get OnTrac Developer Credentials
- Email onTrac API support
apisupport@ontrac.comand ccsupport+shipping@aftership.comwith your OnTrac account number. Tell OnTrac you need to obtain API credentials to access OnTrac API. - OnTrac will provide OnTrac credentials for both Sandbox and Production environment:
Account NumberandPassword
Required OnTrac API credentials
Credentials | Environment | Description |
Account Number | Sandbox / Production | Your Ontrac Account Number. |
Password | Sandbox / Production | API credentials to access sandbox and production environment of On Trac web service and Postmen API. |
OnTrac Developer Resources
- Read OnTrac docs
- Supported OnTrac service types and service options
- AfterShip Shipping OnTrac technical support:
support+shipping@aftership.com
Updated on: 27/10/2025
