---
api: 'Business API'
---

# Lock a card

Apply an admin lock to a card to make it temporarily unavailable for spending.

A successful lock changes the card's state to `locked`, and no content is returned in the response.

:::note
- This feature is not available in Sandbox.
- To increase your account's card limits, please contact [Revolut API Support](mailto:api-requests@revolut.com).
:::

For more information, see the guides: [Manage cards](/docs/guides/manage-accounts/cards/manage-cards).

## Endpoint

POST `/cards/{card_id}/lock`

## Parameters

### path parameters

- `card_id` (string, required)
  The ID of the card to lock.

## Returns

### 204

Card successfully locked

## Error responses

| HTTP status code | Description |
| --- | --- |
| 400 | Bad request  Returned, for example, when you provide an invalid card ID in the path. |
| 403 | Action forbidden  Returned, for example, when the request is valid, but the provided access token does not include the required scope for this action. |
| 404 | Card doesn't exist |