I looking for a way to check an instance for both Azure DevOps Services (saas, version >= 4.0) and Server (on-premise, version >= 2019). Basically I am looking for an unauthenticated endpoint that would simply return 200 if the instance is up and non-200 otherwise. I want the endpoint to be unauthenticated so I can check the token scopes / expiration separately.
I found the Health Status endpoint but it only exist for ADO Services (not Server). I didn't find any equivalent for ADO Server.