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.
master_timeout string

Period to wait for a connection to the master node.

Responses

200 application/json
Hide response attributes Show response attributes object
- id string
  
  node id
- host string
  
  host name
- ip string
  
  ip address
- node string
  
  node name

GET /_cat/master

curl \
 -X GET http://api.example.com/_cat/master

Response examples (200)

[
  {
    "id": "string",
    "host": "string",
    "ip": "string",
    "node": "string"
  }
]