If you are a Delbank Whitelabel customer, you will need to implement the PF (Natual Person or "Pessoa Física") and eventually PJ (Legal Person or "Pessoa Jurídica') account creation methods. To this end, check the flow and read the specifications below on how to use our API.
The flow above is what is suggested, but in any case, your application must carry out phone and email checks before submitting the rest of the information to the /customers endpoint.