> ## 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.

<Info>
  **Enterprise Feature** - SMS is only available on Enterprise plans. Contact your Bland representative for access.
</Info>

### Headers

<ParamField header="authorization" type="string" required>
  Your API key for authentication.
</ParamField>

### Body

<ParamField body="phone_number" type="string">
  The phone number to update.
</ParamField>

<ParamField body="webhook" type="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).
</ParamField>

<ResponseExample>
  ```json Response theme={null}
  {
    "status": "success"
  }
  ```
</ResponseExample>