To Switch the Environment (Nov 2017)
This procedure decribes how to switch an API from one environment to another and assumes you have added multiple environments to your organization. If you added no environments, none are listed when you attempt to switch. Exception: The Unclassified environment might appear. If you have upgraded APIs from the earlier versions of API Manager, you might have APIs residing in the Unclassified environment. You need to classify these APIs. See link below.
This procedure assumes you added multiple environments in Access Management > Environments > Add Environment.
In API Manager, click the environment control. In the following example, this control is labeled SANDBOX:
In Switch Environment, select one of the other listed environments from among the available environments.