Keep log in & sign up secure
Secure login & sign up from unwanted visitors by
verifying user possession of number or
adding second-factor authentication.
Quick & easy set up
Get going in minutes! Integrate with our REST API on your backend or SDK on the client. Nice & simple.
Every call & every SMS delivered
We ensure carrier compliance with optimal routing, so you can be sure every SMS is delivered, every time.
Local regulations managed
Sending abroad can be tricky. Different legislation & customs can be hard to navigate. That’s where our local knowledge in over 150 countries comes in.
REST API or SDK
Thanks to our real time reporting API, we can optimize routes & make sure your phone number verification conversion rates are sky high.
Not sure what you want (or need!) to say in your phone number verification SMS? No worries, we can give you a hand & set up a customized templates just for you.
Thanks to our Tier 1 Super Network with direct connections in 250 operators we can offer market leading online SMS Verification rates.
Totally verified votes
Netherlands based Oceanwide Expeditions specialize in expedition-style journeys to Antarctica and the Arctic via their own fleet of ice-strengthened vessels.
Looking for a secure way to run a global competition based on winning votes, Oceanwide Expeditions needed all customer log-ins and votes to be verified. Vote buying or fraudulent vote gathering was strictly off limits.
"The SMS verification solution provided by Sinch was the answer to our problem. The implementation was straightforward, follow-up was quick and accurate - all we needed for a successful partnership."
Franklin Braeckman, Online Marketing Manager, Oceanwide Expeditions