Releases an Incoming Phone Number and removes it from the account. This is for numbers the account should no longer own; changing or deleting a handler does not release the number. Native phone-number resources use Release phone number.
Note: Numbers cannot be released within a cooldown period after purchase.
The API token used to authenticate must have the following scope(s) enabled to make a successful request: Numbers.
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: