If you aren't looking for specific body content you can use the following as a send string.
HEAD /status-0123456789abcdef HTTP/1.1\r\nHost: dev-oai-api-westus.openai.azure.com\r\nConnection: Close
The following three might assist you further with understanding HTTP/HTTPS health monitors.
https://support.f5.com/kb/en-us/solutions/public/11000/300/sol11359.html?sr=53330875
https://support.f5.com/kb/en-us/solutions/public/3000/200/sol3224.html
https://support.f5.com/kb/en-us/products/lc_9_x/manuals/product/lc-monitors-reference-11-6-0/1.html?sr=53331011
Cirrus
