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

{
  "indices.flush": {
    "documentation": "",
    "methods": ["POST", "GET"],
    "url": {
      "path": "/_flush",
      "paths": ["/_flush", "/{index}/_flush"],
      "parts": {
        "index": {
        }
      },
      "params": {
        "index": {
        },
        "ignore_indices": {
        },
        "refresh": {
        },
        "full": {
        },
        "force": {
        }
      }
    },
    "body": null
  }
}