openapi: 3.0.3
info:
  title: Fluent Bit Monitoring HTTP Build Health API
  description: Fluent Bit exposes an embedded HTTP server for runtime monitoring, internal metrics, storage statistics, health checks, and hot reloading. Endpoints are available under v1 (legacy) and v2 (current) paths and respond in JSON, Prometheus 0.0.4, or cmetrics text format.
  version: 2.0.0
  contact:
    name: Fluent Bit
    url: https://docs.fluentbit.io/manual/administration/monitoring
servers:
- url: http://127.0.0.1:2020
  description: Default HTTP server (configurable via http_listen and http_port)
tags:
- name: Health
paths:
  /api/v1/health:
    get:
      tags:
      - Health
      summary: Health check (v1)
      responses:
        '200':
          description: Health string
          content:
            text/plain:
              schema:
                type: string
  /api/v2/health:
    get:
      tags:
      - Health
      summary: Health status (v2, JSON)
      responses:
        '200':
          description: Healthy
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    example: ok
        '500':
          description: Unhealthy
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    example: error