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Quickly verify users via SMS OTPs

SMS Verify makes it simple to send one-time passcodes (OTPs) to your users. Make a request with the end user’s phone number, and we take care of the rest. Sign up for a free trial account to get started.

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Security you can count on

Make sure your customers and platform are safe and secure with easy to implement one-time passcodes (OTPs) and multi-factor authentication (MFA).

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Prevent fake users

Validate and authenticate legitimate users and prevent fraud–from sign-up to log out.

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Protect account access

Confirm user identity by adding an extra layer of security to an account.

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Save time and resources

Use autogenerated OTPs for easy deployment.

Test SMS Verify for free

Try for free
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Sign up for an account for free.

Sign up for a trial account and get instant access to an API key.

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$5 credit is yours

Use your $5 credit to test-send OTPs and SMS messages.

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Never expires

Take your time testing how Telesign works for your project.