post https://api.twilio.com/2010-04-01/Accounts.json
You can create a new Account instance resource also known as a subaccount of the one used to make the request.
You are only required to provide the FriendlyName, an Account property which is the name of choice for the subaccount.
⚠️ Important :
For authorization, refer to your Account Authentication section to learn how to get the credentials.