> For the complete documentation index, see [llms.txt](https://encrisoft.gitbook.io/alerta/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://encrisoft.gitbook.io/alerta/reference/api-reference/reply-a-message.md).

# Reply a message

<mark style="color:green;">`POST`</mark> `https://api.usealerta.com/v1/reply`

reply to a previously sent message. Ensure to set your header to `secretKey: secret xxx`

[<mark style="color:orange;">**NOTE: Please ensure to add @Alerta to the required channel**</mark>](#user-content-fn-1)[^1] <mark style="color:orange;">**by mentioning it in the channel**</mark>

***example: In the channel, Type "@Alerta" and press enter***

#### Request Body

| Name                                         | Type   | Description                          |
| -------------------------------------------- | ------ | ------------------------------------ |
| channelId<mark style="color:red;">\*</mark>  | string | The channel ID                       |
| threadId<mark style="color:red;">\*</mark>   | string | The thread ID                        |
| channelRef<mark style="color:red;">\*</mark> | string | The reference of the channel         |
| message<mark style="color:red;">\*</mark>    | string | The `message` you want to reply with |

{% tabs %}
{% tab title="200 Message sent successfully" %}

```javascript
{
    "statusCode": 200,
    "message": "Reply sent successfully",
    "data": "None"
}
```

{% endtab %}

{% tab title="403 Forbidden request" %}

```json
{
    "statusCode": 403,
    "message": "Invalid API key",
    "error": "Forbidden"
}
```

{% endtab %}
{% endtabs %}

[^1]:


---

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