Text Messaging

SMS Messages

Kaleyra: trusted by Fortune500 companies, top OTT, and 30+ primary banks globally for their text notifications, alerts and promotional SMS messages.


 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.

Enhanced Analytics

For clear, transparent, precise and actionable insights.

Advanced features for scalable SMS messaging

Intelligent SMS Routing

For faster, secure delivery at better prices.

2-Way Messaging

Let customers answer to your SMS messages.

Data Integrations

Integrates with Oracle, Salesforce and others.

Pay-as-you-go Billing

Because, who doesn’t love flexibility?

Campaign Scheduler

Let us trigger the messages at your convenience.

Multi-lingual support

Send messages in any language.

Personalized SMS

Customize messages for large lists of users with your data.

Link shortener

Shorten your links, send attachments with SMS, and track your campaigns.
Verify SMS

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.
Verified SMS by Google

Send trusted messages with vSMS

Verified SMS (vSMS) adds sender verification and enhanced branding to your business text messages, making them safe and more trustworthy for your customers.

Brands using vSMS got a double-digit lift in key performance metrics across the customer journey.

Learn more about Kaleyra SMS

Receive a personalized quote based on your volumes

 Proven Communications Technology


Global Customers

Operator Connections
API Uptime

44.1 Billion

Messages, 2021

5.8 Billion

Voice Calls, 2021

We’re ready to help you design the perfect communication experiences for your customers.