To change the minimum TLS version in theAPI Gateway user interface:
In the API Gateway application, select the Configuration tab.
Select General Settings.
Enforce a minimum TLS version from the drop-down.
Note: The available TLS versions are
applicable for communication between API Gateway and
target APIs. This does not apply to communication between authorized apps
and API Gateway.
Communication with any target APIs using a TLS version lower than TLSv1.3
will not work.