The power of voice verification
Simple yet secure
Reach customers on any deviceMake sure you can reach users on any device. If SMS or Flash Call doesn't cut it, voice verification can step in to save the day & deliver the OTP code.
Country customizationVerifying users on a global scale? No worries, with Sinch you can change your voice prompt depending on where in the world you’re sending to, making sure you always hit the mark when it comes to local customs & language.
Global reachVerify users around the corner or around the world! Make sure your voice verification gets delivered to end users no matter where they are - with Sinch you can reach more than 200 countries & territories.
Customizable verification based on your needs
Multiple language support
Let us worry about which language your end user needs their voice call in – our API has it all under control!
Verify phone, landline or sight impaired individuals & make sure you’re keeping in line with the American Disabilities Act (ADA) in the US.
Need confirmation of verification? No problem! We’ve got you covered with a quick callback to your backend when end users have been verified.
Devoted to data protection
Strong privacy, data protection and security are at the heart of our mission - so of course we do our best to make sure we're compliant with GDPR and other privacy policies.
Frequently asked questions
Didn't find the answer you need?See our extended FAQ.