Each command must be submitted with your API Key (unless stored in a credential file) and a Base URL: 
 cosmosid --api_key <YOUR_API_KEY> --base_url https://app.cosmosid.com <command>
There are several types of commands supported by the Cosmos-Hub CLI:
CosmosID CLI

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Each command has options

To get usage information for each Cosmos-Hub CLI command, the user can simply run: 
cosmosid --api_key <YOUR_API_KEY> --base_url https://app.cosmosid.com  <command> --help
CosmosID CLI