Returns information about the master node, including the ID, bound IP address, and name

GET /_cat/master

IMPORTANT: cat APIs are only intended for human consumption using the command line or Kibana console. They are not intended for use by applications. For application consumption, use the nodes info API.

Query parameters

  • local boolean

    If true, the request computes the list of selected nodes from the local cluster state. If false the list of selected nodes are computed from the cluster state of the master node. In both cases the coordinating node will send requests for further information to each selected node.

Responses

  • 200 application/json
    Hide response attributes Show response attributes object
GET /_cat/master 
curl \
 -X GET http://api.example.com/_cat/master
Response examples (200) 
[
  {
    "id": "string",
    "host": "string",
    "ip": "string",
    "node": "string"
  }
]