List WhatsApp numbers
Lists the WhatsApp numbers connected to the project. These numbers act as WhatsApp senders and can route inbound communication to SignalWire resources. Prefix a number with `whatsapp:` when [sending messages](/docs/platform/messaging/whatsapp/send-messages). Standard SMS and MMS long codes use the [Phone Numbers API](/docs/apis/rest/phone-numbers/list-phone-numbers).
#### Permissions
The API token used to authenticate must have the following scope(s) enabled to make a successful request: _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)
```
Response
The request has succeeded.
data
List of WhatsApp numbers available to the Space.
Errors
401
Unauthorized Error
500
Internal Server Error