How do I authorize a consumer to use an API?

To authorize an API for use by a specific consumer, locate the API within the API Library list or by using with the search bar. Select the yellow pencil icon under the actions column. This will display a list of all available consumers that can be authorized to use the API. 

From here, click the ON/OFF toggle under the authorization column next to  the consumer you want to authorize.

A consumer is authorized when the toggle is green and is labeled ‘ON’.