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

Get OmniParcel Developer Credentials

Email OmniParcel API support and cc support@postmen.com. Tell OmniParcel you need to obtain API credentials to access OmniParcel API.
OmniParcel will provide API credentials for both Sandbox and Production environment: Access key and  Currency.

Required OmniParcel API credentials


OmniParcel Developer Resources

Read OmniParcel API docs
Supported OmniParcel service types
Postmen OmniParcel technical support: support@postmen.com