OTP SMS APIs for Mobile Number Verification
Implement contact number confirmation, 2-factor login, OTP protected transactions, using MSG91 OTPs over SMS or Voice.
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Implement contact number confirmation, 2-factor login, OTP protected transactions, using MSG91 OTPs over SMS or Voice.
Trusted by 5,000+ companies
is all it takes for an Internet User to Decide and Leave a website.
Imagine what happens when a One-Time Password service fails!
Verify your phone number
99.9%* times your OTP will be delivered. For the remaining 0.1% times, when you request voice call, we bear the price.
Our platform provides the back-end logic needed for PIN generation (OTP) so you don’t have to. Each code is tied to an individual user and can only be used once.
Save money and increase conversion rates with our number validation. We’re able to catch invalid numbers as they’re entered, making sure your message is headed to a valid number.
Voice-based 2FA adds text-to-speech capability to the standard 2FA process, enabling you to place calls and deliver user authentication PINs via voice audio. By adding Voice failover message delivery rates can be pushed close to 100 percent.
Deliver your authentication PINs to users regardless of their location. With MSG91 global coverage spanning 800 networks and 190 countries, you can deliver your one-time PINs with best delivery rates and speed available on the market.
We made enabling 2-factor authentication a cake walk!
Now you get to secure your Website/App in 2 minutes by 2FA (mobile verification).
We will NEVER EVER let your end-user go; Promise!
MSG91 has been an extremely reliable messaging service for us and has helped us in delivering great customer experience through consistent communication!
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