# POST /credit/api/listCardAccountByAccountNumber

**Resource:** [Account linking](../resources/Account-linking.md)
**Service that lists card account information based on account number**
**Operation ID:** `listCardAccountByAccountNumber`

Retrieves a list of card accounts associated with a given account number. Uses the lifecycle service proxy to fetch all accounts and maps them to CardAccount objects including details such as account alias, branch, suffix, type, IBAN, currency, validity, and audit information.

## Request Body

List Card Account By Account Number Request

**Required:** Yes

**Content Types:** `application/json`

**Schema:** [ListCardAccountByAccountNumberRequest](../schemas/List/ListCardAccountByAccountNumberRequest.md)

## Responses

| Status | Description |
|--------|-------------|
| 200 | Success |
| 400 | (reference) |
| 404 | (reference) |
| 500 | (reference) |

**Success Response Schema:**

[ListCardAccountByAccountNumberResponse](../schemas/List/ListCardAccountByAccountNumberResponse.md)

