EffectivePhone verification prevents bulk account creation and eradicates spam more effectively than captchas or social logins.
Better user experienceMinimises personal information sharing (compared to using social network registrations) and enables a nearly frictionless registration experience for mobile users.
GlobalEvery user with a phone has a unique identifier, enabling you to grow the audience for your application with confidence.
How spam and botnet prevention works
The user enters his/her phone numberAs part of the registration process, the app asks the user to enter his/her number.
Vonage APIs Verify sends a codeVerify sends a text message containing an authentication code to that number. If the user is on a landline, Vonage APIs makes a phone call and delivers the code via text-to-speech automatically.
The user enters the authentication codeThe user receives the message and enters the authentication code in the installer screen.
Vonage APIs Verify validates the codeBehind the scenes, Verify confirms that the user has entered the correct code. If so, the app installation can continue.