# ResponseMetadata

- [JSON representation](https://developers.google.com/wallet/identity/provisioning/api-reference/google-hosted/rest/v1/ResponseMetadata#SCHEMA_REPRESENTATION)

The metadata about the response, required in all responses.

| JSON representation |
|---|
| ``` { "requestId": string } ``` |

| Fields ||
|---|---|
| `requestId` | `string` The request id that was sent in the request. The recipient of this response must confirm that this requestId matches the one that was passed in. |