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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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curl -u "ABC1DE23-A12B-1234-56AB-AB1234567890":$API_KEY \
     --url https://rest-ww.telesign.com/v1/verify/sms \
     --header 'accept: application/x-www-form-urlencoded' \
     --header 'content-type: application/x-www-form-urlencoded' \
     --data phone_number="11234567890"

Test SMS Verify for free

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Free sign up

Sign up for an account for free.

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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.

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