Dropwizard Metrics API

openapi: 3.0.3
info:
  title: Dropwizard Admin Diagnostics Metrics API
  description: REST API provided by the Dropwizard admin servlet, exposing health checks, metrics, thread dumps, and operational tasks on the admin port.
  version: 4.0.0
  contact:
    name: Dropwizard
    url: https://www.dropwizard.io/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:8081
  description: Default Dropwizard admin port
tags:
- name: Metrics
  description: Application metrics endpoints.
paths:
  /metrics:
    get:
      operationId: getMetrics
      summary: Get all metrics
      description: Returns all registered application metrics including gauges, counters, histograms, meters, and timers.
      tags:
      - Metrics
      parameters:
      - name: pretty
        in: query
        description: Pretty-print the JSON output.
        schema:
          type: boolean
          default: false
      responses:
        '200':
          description: All metrics.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Metrics'
components:
  schemas:
    Metrics:
      type: object
      properties:
        version:
          type: string
        gauges:
          type: object
          additionalProperties:
            type: object
            properties:
              value: {}
        counters:
          type: object
          additionalProperties:
            type: object
            properties:
              count:
                type: integer
        histograms:
          type: object
          additionalProperties: true
        meters:
          type: object
          additionalProperties: true
        timers:
          type: object
          additionalProperties: true