_search/_ping

Purpose

Checks whether connected to the Elastic Search cluster. This includes a check whether the authentication is valid.

Ping

Pings the Elastic Search cluster.

GET _search/_ping

Result:

{
  "status_code": {
    "value": 200,
    "name": "OK"
  }
}

or, if there is an issue with the credentials:

{
  "status_code": {
    "value": 401,
    "name": "Unauthorized"
  }
}