> ## Documentation Index
> Fetch the complete documentation index at: https://docs.meru.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Lock/Unlock Card

> This endpoint allows you to lock or unlock a card for security purposes

### Params

<ParamField path="cardId" type="string" required>
  The unique card identifier
</ParamField>

### Body

<ParamField body="status" type="string" required>
  Desired card status: `active` (unlock) or `locked`
</ParamField>

### Response

<ResponseField name="success" type="boolean">
  Indicates whether the call was successful
</ResponseField>

<ResponseField name="cardId" type="string">
  The unique card identifier
</ResponseField>

<ResponseField name="status" type="string">
  Updated card status
</ResponseField>

<RequestExample>
  ```bash cURL - Lock Card theme={null}
  curl --location --request PATCH 'https://stablecoin-api.sandbox.getmeru.com/api/v1/cards-program/cards/7a8b9c0d-1e2f-3a4b-5c6d-7e8f9a0b1c2d/status' \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data-raw '{
      "status": "locked"
  }'
  ```

  ```bash cURL - Unlock Card theme={null}
  curl --location --request PATCH 'https://stablecoin-api.sandbox.getmeru.com/api/v1/cards-program/cards/7a8b9c0d-1e2f-3a4b-5c6d-7e8f9a0b1c2d/status' \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data-raw '{
      "status": "active"
  }'
  ```

  ```js Javascript theme={null}
  const response = await fetch('https://stablecoin-api.sandbox.getmeru.com/api/v1/cards-program/cards/7a8b9c0d-1e2f-3a4b-5c6d-7e8f9a0b1c2d/status', {
    method: 'PATCH',
    headers: {
      'Content-Type': 'application/json',
      'api-key': '<api-key>'
    },
    body: JSON.stringify({
      status: "locked" // or "active" to unlock
    })
  });

  const data = await response.json();
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "success": true,
    "cardId": "7a8b9c0d-1e2f-3a4b-5c6d-7e8f9a0b1c2d",
    "status": "locked"
  }
  ```
</ResponseExample>

### Error Responses

<ResponseExample>
  ```json 401 theme={null}
  {
    "success": false,
    "error": "Unauthorized. Please check your authentication credentials."
  }
  ```

  ```json 404 theme={null}
  {
    "success": false,
    "error": "Card not found."
  }
  ```
</ResponseExample>

### Use Cases

**Locking a card** is useful when:

* The cardholder reports the card as lost or stolen
* Suspicious activity is detected
* The cardholder wants to temporarily disable the card

**Unlocking a card** restores normal functionality after it has been locked.