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

{
  "indices.get_aliases": {
    "documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/indices-aliases.html",
    "methods": ["GET"],
    "url": {
      "path": "/_aliases",
      "paths": ["/_aliases", "/{index}/_aliases", "/{index}/_aliases/{name}", "/_aliases/{name}" ],
      "parts": {
        "index": {
          "type" : "list",
          "description" : "A comma-separated list of index names to filter aliases"
        },
        "name": {
          "type" : "list",
          "description" : "A comma-separated list of alias names to filter"
        }
      },
      "params": {
        "timeout": {
          "type" : "time",
          "description" : "Explicit operation timeout"
        },
        "local": {
          "type": "boolean",
          "description": "Return local information, do not retrieve the state from master node (default: false)"
        }
      }
    },
    "body": null
  }
}