> For a complete page index, fetch https://docs.synthflow.ai/llms.txt. For full documentation content, fetch https://docs.synthflow.ai/llms-full.txt.

# Detach phone number from an outbound agent

DELETE https://api.synthflow.ai/v2/assistants/{model_id}/phone_numbers/{phone_number_slug}

Remove one attached outbound phone number from an agent.

Reference: https://docs.synthflow.ai/api-reference/platform-api/agents/detach-phone-number-from-assistant

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Servers

- `https://api.synthflow.ai/v2` (Global, default)
- `https://api.us.synthflow.ai/v2` (United States)
- `https://api.eu.synthflow.ai/v2` (European Union)

## Request

### Path parameters

- `model_id` (string, required) — Agent ID. You can find it on the agent’s page in your dashboard.
- `phone_number_slug` (string, required) — Phone number slug to remove from the agent.

## Response

### 200

200

- `status` (string, optional)

## Errors

### 400 Bad Request Error

400

- `detail` (AssistantsModelIdPhoneNumbersPhoneNumberSlugDeleteResponsesContentApplicationJsonSchemaDetail, optional)

### 404 Not Found Error

404

- `detail` (AssistantsModelIdPhoneNumbersPhoneNumberSlugDeleteResponsesContentApplicationJsonSchemaDetail, optional)

## Types

### AssistantsModelIdPhoneNumbersPhoneNumberSlugDeleteResponsesContentApplicationJsonSchemaDetail

- `status` (string, required)
- `description` (string, required)
- `request_id` (string, required)
- `category` (string, required)

## Examples

**Response**

```json
{
  "status": "ok"
}
```

**SDK Code**

```python detach-phone-number-from-assistant_example
import requests

url = "https://api.synthflow.ai/v2/assistants/model_id/phone_numbers/16286666348"

headers = {"Authorization": "Bearer <token>"}

response = requests.delete(url, headers=headers)

print(response.json())
```

```go detach-phone-number-from-assistant_example
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.synthflow.ai/v2/assistants/model_id/phone_numbers/16286666348"

	req, _ := http.NewRequest("DELETE", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby detach-phone-number-from-assistant_example
require 'uri'
require 'net/http'

url = URI("https://api.synthflow.ai/v2/assistants/model_id/phone_numbers/16286666348")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Delete.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body
```

```java detach-phone-number-from-assistant_example
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.delete("https://api.synthflow.ai/v2/assistants/model_id/phone_numbers/16286666348")
  .header("Authorization", "Bearer <token>")
  .asString();
```

```csharp detach-phone-number-from-assistant_example
using RestSharp;

var client = new RestClient("https://api.synthflow.ai/v2/assistants/model_id/phone_numbers/16286666348");
var request = new RestRequest(Method.DELETE);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift detach-phone-number-from-assistant_example
import Foundation

let headers = ["Authorization": "Bearer <token>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.synthflow.ai/v2/assistants/model_id/phone_numbers/16286666348")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "DELETE"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```