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

{
  "indices.get":{
    "documentation":"http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/indices-get.html",
    "methods":[ "GET" ],
    "url":{
      "path":"/{index}",
      "paths":[ "/{index}", "/{index}/{feature}" ],
      "parts":{
        "index":{
          "type":"list",
          "required" : true,
          "description":"A comma-separated list of index names"
        },
        "feature":{
          "type":"list",
          "description":"A comma-separated list of features"
        }
      },
      "params":{
        "local":{
          "type":"boolean",
          "description":"Return local information, do not retrieve the state from master node (default: false)"
        },
        "ignore_unavailable":{
          "type":"boolean",
          "description":"Ignore unavailable indexes (default: false)"
        },
        "allow_no_indices":{
          "type":"boolean",
          "description":"Ignore if a wildcard expression resolves to no concrete indices (default: false)"
        },
        "expand_wildcards":{
          "type":"list",
          "description":"Whether wildcard expressions should get expanded to open or closed indices (default: open)"
        }
      }
    }
  }
}