# Validate an IBAN

**GET** `/iban/{iban}`

Validate the format of an IBAN and check whether it is registered with the given financial institution. However, we cannot verify if the account is still open.

### Path Parameters

- `iban` `string` _(required)_ — Unique identifier for the IBAN.

**Request**

```shell
curl 'https://api.column.com/iban/GB29NWBK60161331926819' \
  -u :<YOUR API KEY>
```

**Response 200**

```json
{
  "account_number": "31926819",
  "bank_id": "NWBK",
  "bic": "NWBKGB2L",
  "branch_id": "601613",
  "check_digits": "29",
  "country_code": "GB",
  "iban": "GB29NWBK60161331926819",
  "institution_name": "NATIONAL WESTMINSTER BANK PLC",
  "national_id": "NWBK601613"
}
```