Simple and Secure User Verification with OTP
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User verification solution via SMS or voice call
CSC OTP (One-Time Password) service provides a fast, reliable, and secure user verification solution via SMS or voice call. With our easy-to-use API, you can integrate two-factor authentication (2FA) into your system – whether it’s an e-commerce platform, mobile app, or any service requiring secure user login.
When a user tries to access your platform or perform a critical action, they receive a one-time code via SMS or phone call. This adds a strong layer of security while keeping the user experience smooth.
No connection and monthly fee.
Key Features:
- OTP delivery via SMS or voice call
- Quick and easy API integration
- Customizable message content and timeout settings
- Delivery tracking and analytics
We ensure high delivery rates and speed by working with trusted telecom providers worldwide. Let us handle your user verification needs so you can focus on growing your business!
Verification via SMS
| Destination | Cost per SMS |
| ESTONIA | € 0,034 |
| LATVIA | € 0,030 |
| LITHUANIA | € 0,038 |
*1 SMS is a text of 160 characters, including spaces, consisting of only Latin characters or 70 characters, if symbols of alphabets of other languages are used.
For large message volumes, tariffs can be calculated on special terms.
Verification via voice call
| Destination | EUR/min |
| ESTONIA | € 0,005 |
| LATVIA | € 0,003-0,005 |
| LITHUANIA | € 0,003-0,005 |