There is no REST API for version 10.x. I believe there is SOAP API. For REST API you need to be 11.5.4 or higher. You can have it on 11.x but it might require some FramweWork Upgrade.
But you might get the insecure message warning in v11.x as below.
I
InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificat
e verification is strongly advised. See: https://urllib3.readthedocs.io/en/lates
t/advanced-usage.htmlssl-warnings
InsecureRequestWarning)
Please check the issue documented in github.
https://github.com/F5Networks/f5-common-python/issues/1093