Harness the power of SMS communications
Robust SMS APIs
99.99% availability, and super-fast response rate of 5ms or less.
Our technology allows growing any communication channel, without limits.
For clear, transparent, precise and actionable insights.
Advanced features for scalable SMS messaging
Send and validate OTPs
Kaleyra Verify allows to generate, send and validate OTPs at scale, to confirm users’ logins and transactions. The system allows using multiple channels, including SMS, e-mail, and voice.
Receive a personalized quote based on your volumes
Proven Communications Technology
Voice Calls, 2021