Prometheus metrics

GET

/metrics

• Local Faber instance

Authorizations

• apiKey

Responses

200

Prometheus text exposition format

string

401

Missing or wrong API key (unauthorized)

object

error

required

Human-readable message

string

code

required

Stable machine-readable error code. Clients should treat unknown codes as internal_error.

string

Allowed values: invalid_request unauthorized not_found file_not_found payload_too_large limits_exceeded profile_not_allowed capacity_exhausted rate_limited shutting_down cancelled deadline_exceeded sandbox_setup_failed cache_disabled internal_error

Example

{
  "error": "Missing or invalid API key",
  "code": "unauthorized"
}

Headers

WWW-Authenticate

string

429

The API key has used up its requests (rate_limited). Sent only when the service enables per-key rate limiting (RATE_LIMIT_PER_MINUTE). Retry after the Retry-After header.

object

error

required

Human-readable message

string

code

required

Stable machine-readable error code. Clients should treat unknown codes as internal_error.

string

Allowed values: invalid_request unauthorized not_found file_not_found payload_too_large limits_exceeded profile_not_allowed capacity_exhausted rate_limited shutting_down cancelled deadline_exceeded sandbox_setup_failed cache_disabled internal_error

Example

{
  "error": "Rate limit exceeded for this API key",
  "code": "rate_limited"
}

Headers

Retry-After

integer

Seconds until the key may make another request