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

{
  "indices.delete_alias": {
    "documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/indices-aliases.html",
    "methods": ["DELETE"],
    "url": {
      "path": "/{index}/_alias/{name}",
      "paths": ["/{index}/_alias/{name}", "/{index}/_aliases/{name}"],
      "parts": {
        "index": {
          "type" : "list",
          "required" : true,
          "description" : "A comma-separated list of index names (supports wildcards); use `_all` for all indices"
        },
        "name": {
          "type" : "list",
          "required" : true,
          "description" : "A comma-separated list of aliases to delete (supports wildcards); use `_all` to delete all aliases for the specified indices."
        }
      },
      "params": {
        "timeout": {
          "type" : "time",
          "description" : "Explicit timestamp for the document"
        },
        "master_timeout": {
          "type" : "time",
          "description" : "Specify timeout for connection to master"
        }
      }
    },
    "body": null
  }
}