OpenSearch/rest-api-spec/api/cat.fielddata.json

{
  "cat.fielddata": {
    "documentation": "http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/cat-fielddata.html",
    "methods": ["GET"],
    "url": {
      "path": "/_cat/fielddata",
      "paths": ["/_cat/fielddata", "/_cat/fielddata/{fields}"],
      "parts": {
        "fields": {
          "type": "list",
          "description": "A comma-separated list of fields to return the fielddata size"
        }
      },
      "params": {
        "bytes": {
          "type": "enum",
          "description" : "The unit in which to display byte values",
          "options": [ "b", "k", "m", "g" ]
        },
        "local": {
          "type" : "boolean",
          "description" : "Return local information, do not retrieve the state from master node (default: false)"
        },
        "master_timeout": {
          "type" : "time",
          "description" : "Explicit operation timeout for connection to master node"
        },
        "h": {
          "type": "list",
          "description" : "Comma-separated list of column names to display"
        },
        "help": {
          "type": "boolean",
          "description": "Return help information",
          "default": false
        },
        "v": {
          "type": "boolean",
          "description": "Verbose mode. Display column headers",
          "default": true
        },
        "fields": {
          "type": "list",
          "description": "A comma-separated list of fields to return in the output"
        }
      }
    },
    "body": null
  }
}