This is for Partners that want to allow individual users to have their own account so that they can pay for shipping costs directly through their own wallet.
Partners that wish to embed the signup process in their User Interface may do so by using the User Signup Customer and User Approve Terms and Conditions methods.
Accounts are not active for use until the Terms and Conditions have been accepted.
Sandbox
User Approve Terms and Conditions
Production
User Approve Terms and Conditions