code: def create_token(self, *, holder_name, card_number, credit_card_cvv, expiration_date, token_type='credit_card',
                       identity_document=None, billing_address=None, additional_details=None):
          
          headers = self.client._get_public_headers()
          payload = {
              "token_type": token_type,
              "credit_card_cvv": credit_card_cvv,
              "card_number": card_number,
              "expiration_date": expiration_date,
              "holder_name": holder_name,
              "identity_document": identity_document,
              "billing_address": billing_address,
              "additional_details": additional_details,
          }
          endpoint = '/tokens'
          return self.client._post(self.client.URL_BASE + endpoint, json=payload, headers=headers)
docs: When creating a Token, remember to use the public-key header instead of the private-key header,
          and do not include the app-id header.
  
          Args:
              holder_name: Name of the credit card holder.
              card_number: Credit card number.
              credit_card_cvv: The CVV number on the card (3 or 4 digits) to be encrypted.
              expiration_date: Credit card expiration date. Possible formats: mm-yyyy, mm-yy, mm.yyyy,
              mm.yy, mm/yy, mm/yyyy, mm yyyy, or mm yy.
              token_type: The type of token
              billing_address: Address.
              identity_document: National identity document of the card holder.
              additional_details: Optional additional data stored with your token in key/value pairs.
  
          Returns: