Use this endpoint to check for the existence of letter data. This is useful for verifying readiness before performing retrieval or print operations.
You can test the following scenarios in our sandbox environment.
| Scenario | Request ID | Response |
|---|---|---|
| Success | 2AL5eYSWGzCHlGmzNxuqVusPxDg | Returns 200 (OK) |
| Not Found | 2WL5eYSWGzCHlGmzNxuqVusPxDg | Returns 404 (Not found) |