Elasticsearch Cluster API

The Cluster API from Elasticsearch — 3 operation(s) for cluster.

Operations 3

GET /_cluster/health Cluster health #
GET /_cluster/state Cluster state #
GET /_cluster/stats Cluster stats #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/elasticsearch-cluster-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

elasticsearch-cluster-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Elasticsearch REST Cat Cluster API
  version: 8.x
  description: Elasticsearch REST API provides programmatic access to document indexing, searching, aggregations, index lifecycle, and cluster operations. Supports basic authentication and API keys.
  contact:
    name: Elastic
    url: https://www.elastic.co/guide/en/elasticsearch/reference/current/rest-apis.html
servers:
- url: https://{host}:{port}
  description: Elasticsearch cluster
  variables:
    host:
      default: localhost
    port:
      default: '9200'
security:
- basicAuth: []
- apiKeyAuth: []
tags:
- name: Cluster
paths:
  /_cluster/health:
    get:
      summary: Cluster health
      operationId: clusterHealth
      tags:
      - Cluster
      responses:
        '200':
          description: Health
  /_cluster/state:
    get:
      summary: Cluster state
      operationId: clusterState
      tags:
      - Cluster
      responses:
        '200':
          description: State
  /_cluster/stats:
    get:
      summary: Cluster stats
      operationId: clusterStats
      tags:
      - Cluster
      responses:
        '200':
          description: Stats
components:
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
    apiKeyAuth:
      type: apiKey
      in: header
      name: Authorization