curl localhost:9090/-/ready
curl localhost:9090/-/ready
Risk: Safe
What it does
Asks Prometheus if it is ready to answer queries.
When to use it
Right after you start Prometheus, or when a screen shows no data.
Example
$ curl localhost:9090/-/readyIt answers: Prometheus Server is Ready.
$ curl localhost:9090/-/healthyIs the server alive at all?
Learn it in: Prometheus, Grafana, OpenTelemetry: who does what · Official docs