Loki

Loki Metrics API

The Metrics API from Loki — 1 operation(s) for metrics.

GitHub OpenAPI

Documentation

📖
Documentation
https://grafana.com/docs/loki/latest/reference/loki-http-api/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/loki/refs/heads/main/openapi/loki-metrics-api-openapi.yml

SDKs

📦
GitHubRepository
https://github.com/grafana/loki

OpenAPI Specification

loki-metrics-api-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: Loki HTTP Config Metrics API
  description: Minimal OpenAPI 3.1 specification for the Grafana Loki HTTP API, covering log ingest, queries, labels, series, status, ring, flush, rules, and deletion endpoints.
  version: 1.0.0
servers:
- url: http://localhost:3100
  description: Default Loki HTTP server
tags:
- name: Metrics
paths:
  /metrics:
    get:
      operationId: metrics
      summary: Prometheus metrics endpoint
      responses:
        '200':
          description: Metrics text exposition
        default:
          description: Error response
      tags:
      - Metrics
x-generated-from: https://grafana.com/docs/loki/latest/reference/loki-http-api/
x-generated-by: claude-crawl-2026-05-08