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

{
  "indices.optimize": {
    "documentation": "",
    "methods": ["POST", "GET"],
    "url": {
      "path": "/_optimize",
      "paths": ["/_optimize", "/{index}/_optimize"],
      "parts": {
        "index": {
        }
      },
      "params": {
        "flush": {
        },
        "ignore_indices": {
        },
        "index": {
        },
        "max_num_segments": {
        },
        "only_expunge_deletes": {
        },
        "operation_threading": {
        },
        "refresh": {
        },
        "wait_for_merge": {
        }
      }
    },
    "body": null
  }
}