> For the complete documentation index, see [llms.txt](https://docs.up2.money/08.01/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.up2.money/08.01/card-issuing/post-block-card.md).

# POST - Block Card

Blocks the card identified by the cardId path parameter. This is a reversible action and the card can be unblocked using the unblock operation.

### Block a card

***

### End point

```markup
https://api.up.money/cards/block/{cardId}
```

### Headers

<details>

<summary>Security</summary>

**REQUEST BODY SCHEMA: application/json**

&#x20;:closed\_lock\_with\_key: **API SECRET: x-secret**

Add `YWJjMTIzIQ==` in  `x-secret` in headers.  &#x20;

**Header parameter name:** `x-secret`

***

&#x20;:lock\_with\_ink\_pen:  **HTTP:** `Authorization-key`

The authentication token representing the user. This will be included in the login response object as `token`.&#x20;

**Header parameter name:** `Authorization-key`

</details>

***

### **Path Parameters**

***

<table><thead><tr><th width="223"></th><th></th></tr></thead><tbody><tr><td>id <mark style="color:red;">(required)</mark><br></td><td><code>string</code> <code>^[0-9]+$</code><br>The unique identifier of a managed card.</td></tr></tbody></table>

***

### Sample Request

***

```javascript
curl --location --request POST 'https://api.up2.money/cards/block/{cardId}' \
--header 'x-secret: YWJjMTIzIQ==' \
--header 'Authorization-key: YOUR_AUTHORIZATION_KEY' \
--data ''
```

***

### Response Status

***

<mark style="color:green;">**204 Success - No Content.**</mark>

<details>

<summary><mark style="color:red;"><strong>400 Bad Request Error - Your request is invalid.</strong></mark></summary>

errorCode: Enum:  `"REQUIRED"` `"HAS_TEXT"` `"REQUIRES"` `"SIZE"` `"RANGE"` `"IN"` `"NOT_IN" "REGEX"` `"EXACTLY"` `"AT_LEAST"` `"AT_MOST"` `"ALL_OR_NONE"`

</details>

<mark style="color:red;">**401 Unauthorized - Your credentials or access token are invalid.**</mark>

<mark style="color:red;">**403 Forbidden - Access to the requested resource or action is forbidden.**</mark>

<mark style="color:red;">**404 Not found - The requested resource couldn't be found.**</mark>

<details>

<summary><mark style="color:red;">409 Conflict</mark></summary>

errorCode: Enum:  `"INSTRUMENT_ALREADY_BLOCKED"` `"INSTRUMENT_DESTROYED"` `"INSTRUMENT_MARKED_LOST_STOLEN"`

</details>

<mark style="color:red;">**429 Too many requests.**</mark>

<mark style="color:red;">**500 Internal Server Error - There is a problem with the server. Please try again later.**</mark>

<mark style="color:red;">**503 Service Unavailable - We're temporarily offline for maintenance. Please try again later.**</mark>