VaiVaiClub is an online service presented as a members-only club, with an account-based sign-up and login experience. New users can create an account by providing a username, full legal name, email address, CPF number, WhatsApp number, and password. Registration also asks users to confirm that they are over 18 and accept the Terms of Use and Privacy Policy.

An optional referral code lets applicants identify who invited them, and email confirmation is required to complete registration. Existing members can sign in or use the password recovery option. The site also offers customer support through a chat feature, which asks visitors to provide their details before starting a conversation.

The interface includes Portuguese, English, Spanish, Japanese, Mandarin, French, Hindi, Arabic, Russian, and Indonesian language options. The available information does not describe specific products or other services offered by the club; it primarily explains membership registration, account access, and support