About the API Explorer
The API Explorer provides a limited interface for the REST API as well as giving a view of the abilities of the REST API.
The API Explorer resides on the Firepower Management Center, and can be accessed via the Firepower Management Center at:
Version 6.4 uses a new API Explorer, based on the OpenAPI Specification (OAS). You can still access the legacy API Explorer if you prefer.
As part of the OAS, you now use CodeGen to generate sample code.
This explorer provides the list of APIs available on the Firepower Management Center, and their details.