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

# Update SMS Webhook

> Update the webhook for a given phone number.

> [!NOTE]
>
> **Enterprise Feature** - SMS is only available on Enterprise plans. Contact your Bland representative for access.

### Headers

**authorization** `string` *required*

Your API key for authentication.

### Body

**phone\_number** `string`

The phone number to update.

**webhook** `string`

The webhook URL to receive SMS events. Webhooks fire for incoming messages, outgoing agent responses, and conversation status changes (ended, timeout, opt-out, read receipts).

```json Response theme={null}
{
  "status": "success"
}
```


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