To Find the API ID of an API
API Manager generates the
apiId of new APIs managed by API Manager for use with Mule 4. The API ID is displayed on the API instance dashboard if you select Mule 4 Runtime in the configuration of an API instance.
On the API administration dashboard, expand the API version name to display the instances.
Click an instance name.
The API ID appears:
Note: The API ID is not available for Mule 3 use in API Manager.