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You can develop REST API clients in a variety of languages, including Python, Windows PowerShell, Java, and others. Before starting to create a REST API client, it is important to understand the following basic client workflow:
1 - Identify the user credentials that you plan to use to authenticate to an HPE OmniStack host.
2 - Authenticate to the HPE OmniStack host to generate an access token.
3 - Store the access token for use in all REST API request headers.
4 - Issue a GET request to get a set of instances of an object type, based on the filtering and sorting criteria that you specify.
5 - Issue a POST request or other operation to perform an action that affects this instance.
6 - Poll the returned task instance to monitor the status of the operation.