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.
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
Free sign up
Sign up for an account for free.
$5 credit is yours
Use your $5 credit to test-send OTPs and SMS messages.
Never expires
Take your time testing how Telesign works for your project.