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

{
  "indices.delete_template": {
    "documentation": "http://www.elasticsearch.org/guide/reference/api/admin-indices-templates/",
    "methods": ["DELETE"],
    "url": {
      "path": "/_template/{name}",
      "paths": ["/_template/{name}"],
      "parts": {
        "name": {
          "type" : "string",
          "required" : true,
          "description" : "The name of the template"
        }
      },
      "params": {
        "timeout": {
          "type" : "time",
          "description" : "Explicit operation timeout"
        }
      }
    },
    "body": null
  }
}