OTP Verification
Deliver one-time passcodes on WhatsApp your users already trust.
This category covers authentication end to end: registration and login codes, password resets, phone verification, resends, and sensitive account-action confirmations. Each scenario ships with 1MSG Business API code using Meta-approved authentication templates, so codes arrive instantly and reliably. Built by an official WhatsApp Business API provider — a faster, higher-trust alternative to SMS for verifying real users.
WhatsApp Business API for phone number verification code
Delivers a one-time code via WhatsApp authentication template when the user adds or changes a phone number.
WhatsApp Business API for password reset otp
Sends a one-time recovery code through a WhatsApp authentication template when the user starts password reset.
WhatsApp Business API for otp verification
The scenario sends the user a WhatsApp authentication template with a one-time verification code in the message body and a copy-code button.
WhatsApp Business API for otp resend
Resends a new one-time verification code via WhatsApp authentication template when the user taps “Resend code”.
WhatsApp Business API for registration otp
Sends a WhatsApp authentication template with a one-time registration code in the body and a copy-code button.
WhatsApp Business API for account action otp
Sends a fresh one-time code via WhatsApp authentication template when the user confirms a sensitive account action.