WhatsApp ties every account to a phone number and confirms it with a 6-digit SMS code. A virtual number from Get-SMS lets you register a new WhatsApp account without exposing your personal number — useful for a second business profile, testing, or simply keeping your main number private.
WhatsApp is stricter than most services about the numbers it accepts. Two things matter in practice. First, the number must be «fresh» for WhatsApp: if too many accounts were registered on it before, the app may respond with a «This phone number is not eligible for WhatsApp» or ban the account shortly after signup. We rotate our pool constantly, but if you hit this error, simply cancel the number (you are not charged for numbers that received no SMS) and take another one. Second, WhatsApp sometimes offers a voice call instead of SMS — always choose the SMS option, since virtual numbers on Get-SMS receive text messages.
Registration success rates differ by country pool. Consistently good results come with numbers from the USA, Brazil, Portugal, and Philippines; they are cheap and plentiful. If WhatsApp rejects a number from one country, trying a different country usually solves it faster than retrying the same pool. After registration, the account keeps working no matter which country code it has — you can use a US-number WhatsApp account from anywhere in the world.
One practical tip: complete the profile (name, photo) and stay logged in for a few days before heavy use. Fresh accounts that immediately send bulk messages are the main target of WhatsApp's anti-spam bans, regardless of what number they were registered on.