OpenSearch/rest-api-spec/api/search_template.json

{
  "search_template": {
    "documentation": "http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-template.html",
    "methods": ["GET", "POST"],
    "url": {
      "path": "/_search/template",
      "paths": ["/_search/template", "/{index}/_search/template", "/{index}/{type}/_search/template"],
      "parts": {
        "index": {
         "type" : "list",
         "description" : "A comma-separated list of index names to search; use `_all` or empty string to perform the operation on all indices"
        },
        "type": {
          "type" : "list",
          "description" : "A comma-separated list of document types to search; leave empty to perform the operation on all types"
        }
      },
      "params" : {
        "source": {
          "type" : "string",
          "description" : "The URL-encoded request definition"
        },
        "ignore_unavailable": {
            "type" : "boolean",
            "description" : "Whether specified concrete indices should be ignored when unavailable (missing or closed)"
        },
        "allow_no_indices": {
            "type" : "boolean",
            "description" : "Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)"
        },
        "expand_wildcards": {
            "type" : "enum",
            "options" : ["open","closed","none","all"],
            "default" : "open",
            "description" : "Whether to expand wildcard expression to concrete indices that are open, closed or both."
        },
        "preference": {
          "type" : "string",
          "description" : "Specify the node or shard the operation should be performed on (default: random)"
        },
        "routing": {
          "type" : "list",
          "description" : "A comma-separated list of specific routing values"
        },
        "scroll": {
          "type" : "duration",
          "description" : "Specify how long a consistent view of the index should be maintained for scrolled search"
        },
        "search_type": {
          "type" : "enum",
          "options" : ["query_then_fetch", "query_and_fetch", "dfs_query_then_fetch", "dfs_query_and_fetch", "count", "scan"],
          "description" : "Search operation type"
        }
      }
    },
    "body": {
      "description": "The search definition template and its params"
    }
  }
}