AcademyLesson 30 of 40
- Build
- 6 min
Phone Verification
A one-time passcode adds a single screen to your KYC flow. Here is how to set the channels — SMS, WhatsApp, Viber or Telegram — the code rules, and what to do about disposable, virtual and duplicate numbers.
What you'll learn
- Where phone verification lives: a workflow step that adds one screen, enter the number then the code
- How to choose countries and channels (SMS, WhatsApp, Viber, Telegram) and why price differs by both
- How to set OTP code size, send attempts, maximum verification attempts and shared device mode
- Which number rules to review or decline — disposable, virtual (VoIP) and duplicate numbers — plus phone intelligence signals
Infrastructure for identity and fraud.
One API for KYC, KYB, Transaction Monitoring, and Wallet Screening. Integrate in 5 minutes.