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  • Core
    • Overview
    • Authorization
    • Base URL
    • Data formats
    • Paging
    • Error codes
    • Permissions
  • Calling
  • Datasphere
  • Logs
  • Messaging
  • Phone Number Management
      • GETGet phone number
      • GETList phone numbers
      • POSTPurchase phone number
      • DELRelease phone number
      • GETSearch phone numbers
      • PUTUpdate phone number
      • POSTImport phone number
      • GETLook up phone number
      • POSTAssign Resource to phone route
  • Platform
  • Resource Management
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Phone Number ManagementPhone Numbers

Release phone number

|View as Markdown|Open in Claude|
DELETE
https://{your_space_name}.signalwire.com/api/relay/rest/phone_numbers/:id
DELETE
/api/relay/rest/phone_numbers/:id
$curl -X DELETE https://{your_space_name}.signalwire.com/api/relay/rest/phone_numbers/id \
>     -u "<project_id>:<api_token>"

Releases a phone number.

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.

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Built with

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

idstringRequiredformat: "uuid"
Unique ID of the phone 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
422
Unprocessable Entity Error
500
Internal Server Error