OpenSearch/rest-api-spec/api/indices.exists_template.json

{
  "indices.exists_template": {
    "documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
    "methods": ["HEAD"],
    "url": {
      "path": "/_template/{name}",
      "paths": ["/_template/{name}"],
      "parts": {
        "name": {
          "type": "string",
          "required": true,
          "description": "The name of the template"
        }
      },
      "params": {
        "master_timeout": {
          "type": "time",
          "description": "Explicit operation timeout for connection to master node"
        },
        "local": {
          "type": "boolean",
          "description": "Return local information, do not retrieve the state from master node (default: false)"
        }
      }
    },
    "body": null
  }
}