Verifies a phone number corresponding to an account that is being created. When creating an account using /Account/Create, the account is at first disabled. This means, it cannot be used actively in the API. To enable an account, you need to verify the e-mail address provided when creating the account. If providing a phone number, you need to verify the phone number as well. If not providing a phone number you can skip this step. The account creation call will send an e-mail with a code to the e-mail address, as well as an SMS to the phone number, if such is provided. The code sent to the phone number needs to be provided in a call to this resource, together with the phone number