---
api: 'Open Banking API'
---

# Get a distinguished name (DN)

Get the distinguished name (DN) of your transport certificate which is used to identify your requests.

This parameter is needed in order to [register or update your application via DCR](/docs/guides/build-banking-apps/register-your-application-using-dcr/).

## Endpoint

GET `/distinguished-name`

## Returns

### 200

Distinguished name

#### Response attributes

- `tls_client_auth_dn` (string)
    The distinguished name (DN) of your transport certificate.

## Error responses

| HTTP status code | Description |
| --- | --- |
| 401 | Unauthorized |
| 500 | Internal Server Error |