Delete phone number assignment
Removes one phone-number assignment from its US 10-digit long code (10DLC) campaign by assignment ID. Use it when the number should stop sending traffic for that campaign; this does not release the phone number from the project or delete the campaign.
#### Permissions
The API token used to authenticate must have the following scope(s) enabled to make a successful request: _Messaging_ and _Numbers_.
[Learn more about API scopes](/docs/platform/your-signalwire-api-space).
Authentication
AuthorizationBasic
SignalWire Basic Authentication using Project ID and API Token.
The client sends HTTP requests with the Authorization header containing
the word Basic followed by a space and a base64-encoded string of project_id:token.
The project ID will be used as the username and the API token as the password.
Example:
```
Authorization: Basic base64(project_id:token)
```
Path parameters
id
Unique ID of the assigned number.
Response
There is no content to send for this request, but the headers may be useful.
Errors
401
Unauthorized Error
404
Not Found Error
500
Internal Server Error