SMS, voice verification and phone number intelligence. Your client pastes their Telesign key once, and your agent or your code works with their access.
Phone and SMS
About Telesign
Telesign provides SMS, voice verification and phone number intelligence, used to verify users and fight fraud.
Once your client connects Telesign, your agent or code can send messages, verify phone numbers and look up number details.
Telesign
Telesign · Phone and SMS
API key
SMS, voice verification and phone number intelligence
The client pastes their API key from Telesign's settings. We store it encrypted.
Tested against Telesign's live API.
Building with Telesign? The docs have setup steps and code for every tool.
Add a client, select the services, copy the link. You'll get an email the moment their access is ready. Start free, no card required. Paid plans are one flat monthly price, and a busy month never takes your agents offline.