Get label names

GET 
/labels

Returns a list of label names. Can be filtered by series matchers.

Request

Responses

200

Successful label names retrieval

400

Bad request — invalid or unparseable parameters (for example, a malformed PromQL expression or timestamp), or a query that exceeds the query limits (too many series, time range too long, or too many result points). Returned as a Prometheus-style JSON error with errorType: bad_data.

401

Unauthorized — missing or invalid authentication. Triggered when the Authorization header is absent or the access key (Client ID / Client Secret) is invalid. Returned as a plain-text body, for example missing Authorization request header.

500

Internal server error — an unexpected failure while resolving metrics or executing the query. Returned as a Prometheus-style JSON error.