This developer guide shows how to access Nightline shipping API via Postmen. See also the list of required API credentials / keys for Nightline integration.

Get Nightline Developer Credentials

Email Nightline sales representative and cc Tell Nightline you need to obtain API credentials to access Nightline API.
Nightline will provide Nightline credentials for both Sandbox and Production environment:  Username,  Password, Customer code and API Key

Required Nightline API credentials

Nightline Developer Resources

Read Nightline API docs
Supported Nightline service types
Postmen Nightline technical support:
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