Instant OTP Delivery
Send time-sensitive verification codes quickly through SMS or automated voice calls.
OTP & Verification
Secure Every Login And Transaction
Deliver fast one-time passwords and verify every customer interaction with reliable, secure communication across SMS and voice.
✓Secure Verification
For Every User
For Every User
Our Globally 20K+ Clients.
OTP & Verification
Verification Built For Every Customer Journey
👩🏻👨🏽👩🏻💼6+Security teams
working together
working together
☎
Fast, Reliable Authentication
Smart Failover
Keep authentication moving by switching channels when a verification attempt cannot be delivered.
Secure Templates
Maintain consistent verification messages for sign-ins, transactions and account recovery.
Protect Every Critical Action
Verify User Identity
Add a dependable layer of authentication to registrations, logins and password resets.
Approve Transactions
Confirm payments and high-value actions before they are completed.
Reach Users Anywhere
Deliver codes through multiple channels to support customers wherever they are.
✓Identity
verified
verified
Beginning a New Era With Sendgun
Experience the end of traditional calling and welcome the new age of unified simplified communication.
✓ Secure Access
✓Verified!Authentication
completed.
completed.
Verification You Can Measure
Delivery Insights
Monitor OTP delivery and verification outcomes to keep customer journeys running smoothly.
Fraud Prevention
Protect sensitive actions with short-lived codes and controlled verification attempts.
Simple Integration
Add OTP verification to your applications and existing customer workflows with ease.
Recommended by Industry Experts
Sendgun is recognized as a complete, easy to use cloud communications solution
Reviews & Awards Recognition
10K+ happy customers
4.7/5
4.8/5
4.6/5
4.6/5
