Authenticate customers globally with Voice OTPs
Provide a convenient and secure verification process with the most inclusive communication channel.
- Choose from 100+ natural sounding, high-quality voices
- Compliant in every region
- Calls routed calls directly to where your customers are
- A broad pool of local numbers in over 100 countries
Experience the benefits of Voice OTPs
Using an established and reliable channel for OTP messages has functional, performance, and cost advantages.
Maximize reach for authentication messages
Ensure the reliable delivery of personalized, automated security messages directly to mobile handsets and landlines in almost any global destination.
Provide user choice
Incorporate Voice as part of your wider 2FA process to give flexibility to users in how they receive authentication messages – to increase accessibility and engagement.
Prevent fraud
Benefit from the security of Voice OTPs which reduce the chances of unintended recipients receiving the message. Only pay for answered OTP calls and reduce the impact of spam attacks.
Send one-time PINs (OTPs) using Voice messages API
Send OTPs to users via a configurable voice message that is read out loud when they pick up the phone.
- Flexible configuration options for an optimal user experience
- Adjust the speech rate to give time for users to enter the OTP code
- Allow users to easily replay voice messages
- Add pauses to make the speech pattern sound more natural
How the Voice OTP process works
STEP 1
The customer logs into their account with a username and password
STEP 2
A screen is displayed offering them a choice of channels for the delivery of an OTP to authenticate them
STEP 3
The customer opts to receive a phone call
STEP 4
The automated call reads out a code
STEP 5
The customer inputs the OTP from the call into the website/application
Use a secure and flexible channel for sending OTPs
