---
title: "Connect a workspace Twilio number to a voice agent"
description: "Rechecks the preview before importing and assigning. SMS stays disabled in the voice engine and existing SMS routing is checked. Records original routing before first import; uncertain creates are not repeated automatically. Owner/admin required."
---

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

Path: Channel Automation API › Voice AI

`POST /api/voice-workspace-numbers/connect`

Rechecks the preview before importing and assigning. SMS stays disabled in the voice engine and existing SMS routing is checked. Records original routing before first import; uncertain creates are not repeated automatically. Owner/admin required.

## Authentication

- `BearerAuth`, http, header `Authorization`, format `JWT`

## Header parameters

- `x-workspace-id` (`post/api/voice-workspace-numbers/connect.header.x-workspace-id`; string, required)

## Request body

_Required._

- `sid` (`post/api/voice-workspace-numbers/connect.sid`; string, required)
- `assistantId` (`post/api/voice-workspace-numbers/connect.assistantId`; string, required)
  - format `uuid`
- `routingVersion` (`post/api/voice-workspace-numbers/connect.routingVersion`; string, required)
- `confirmVoiceRouting` (`post/api/voice-workspace-numbers/connect.confirmVoiceRouting`; boolean, required)
  - one of `true`
- `name` (`post/api/voice-workspace-numbers/connect.name`; string, optional)
  - maxLength 100

## Example request

```json
{
  "sid": "string",
  "assistantId": "bb8c7fe3-2157-48a3-a0a7-af503b091988",
  "routingVersion": "string",
  "confirmVoiceRouting": true,
  "name": "string"
}
```

## Code samples

### cURL

```bash
curl --request POST \
  --url https://api.channelautomation.com/api/voice-workspace-numbers/connect \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-workspace-id: string' \
  --data '
{
  "sid": "string",
  "assistantId": "bb8c7fe3-2157-48a3-a0a7-af503b091988",
  "routingVersion": "string",
  "confirmVoiceRouting": true,
  "name": "string"
}
'
```

### TypeScript

```typescript
const url = 'https://api.channelautomation.com/api/voice-workspace-numbers/connect';
const options = {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'x-workspace-id': 'string',
    Authorization: 'Bearer <token>'
  },
  body: JSON.stringify({
    sid: 'string',
    assistantId: 'bb8c7fe3-2157-48a3-a0a7-af503b091988',
    routingVersion: 'string',
    confirmVoiceRouting: true,
    name: 'string'
  })
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));
```

### Python

```python
import requests

url = "https://api.channelautomation.com/api/voice-workspace-numbers/connect"

payload = {
    "sid": "string",
    "assistantId": "bb8c7fe3-2157-48a3-a0a7-af503b091988",
    "routingVersion": "string",
    "confirmVoiceRouting": True,
    "name": "string"
}
headers = {
    "Content-Type": "application/json",
    "x-workspace-id": "string",
    "Authorization": "Bearer <token>"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
```

## Responses

### 200

Number imported; connected=false and warning indicate partial success requiring attention

#### Example

```json
{
  "success": true,
  "number": {
    "id": "string",
    "number": "string",
    "connected": true,
    "warning": "string"
  }
}
```

- `success` (`post/api/voice-workspace-numbers/connect.response.200.success`; boolean, optional)
- `number` (`post/api/voice-workspace-numbers/connect.response.200.number`; object, optional)
  - `id` (`post/api/voice-workspace-numbers/connect.response.200.number.id`; string, optional)
  - `number` (`post/api/voice-workspace-numbers/connect.response.200.number.number`; string, optional)
  - `connected` (`post/api/voice-workspace-numbers/connect.response.200.number.connected`; boolean, optional)
  - `warning` (`post/api/voice-workspace-numbers/connect.response.200.number.warning`; string, optional)

### 400

Invalid input or confirmation missing

### 401

Sign in required

### 403

Workspace access or feature disabled

### 404

Number not in workspace

### 409

Routing changed or earlier import requires reconciliation

### 412

Integration configuration required

### 500

Unexpected error

### 502

Provider rejected request; refresh before retrying

### 503

Provider outcome or configuration unavailable


Source: https://developer.channelautomations.com/api/post-api-voice-workspace-numbers-connect/index.md