OTP verification API
Send One-Time Passcode (OTP) to your users and verify.
Deliver OTP through the communication channels like SMS, emails, and voice notes to your users and authenticate the account opening and transaction processes seamlessly online. Also personalize the content of the OTP messages sent to users, making it perfect for branding, localization, and personalized communication.
Your success metric is our only performance metric.
4
Applicantgrowth
99
Reduced fraud80
Cost reduction60
Less customerdrop-offs
growth
drop-offs
Onboard users globally, stay compliant locally.
Enhance Security with Real-Time OTP Verification
Customize the OTP length based on the business needs.
Depending upon the magnitude of security required for your business, you may go for the OTP in anywhere between 4-8 digits.
Use OTP for login, registration or transaction processes.
The OTP gives an additional layer of security in various processes at different stages of the business and ensures protection against any security breaches.
Handle high volumes of OTP requests effortlessly.
Give an uncompromised user experience to your customers even during the peak usage periods and stand strong even during the heavy loading of requests.
Signzy's KYC verification suite for you!
Our Success Stories
Seema Kumar
Country Leader, IBM India
It is answering the question, how do you build trust online.
It uses APIs on visual recognition to build digital trust.
Bala Srinivasa
Managing Director, Arkam Ventures
We were attracted to the founder’s clarity of thought 
and their early proof points in building a proprietary platform that could become an industry.
Rajan Anandan
Managing Director, Sequoia Capital and Surge
Signzy is a standout example of tech-enabled disruption.
Ashith Kampani
Chairman, Cosmic Mandala15 Group
Signzy is redefining the limits of innovation in building trust online.
They are committed to delivering a secure and positive experience to their clients.
FAQ's for OTP Verification
What is the OTP-Based Verification API?
The OTP-Based Verification API is a service that provides a secure method for user authentication by generating and validating one-time passwords (OTPs). It ensures that only authorized users can access sensitive information or perform critical actions by requiring a valid OTP for verification.
What are the two main components of the OTP-Based Verification API?
The OTP-Based Verification API consists of two essential components:
- Send OTP API: Generates and delivers OTPs to users via SMS. It supports OTPs of varying lengths (4, 5, 6, 7, or 8 digits) and allows for personalized message content.
- Verify OTP API: Validates the OTP entered by the user against the one generated by the system to ensure the correctness and authenticity of the OTP for secure access.
How does the Send OTP API work?
The Send OTP API sends a one-time password to users via SMS. You can choose the length of the OTP based on your security needs and personalize the content of the OTP message to align with your branding and localization requirements. The API supports over 200 countries, including the US, Canada, UK, India, and UAE.
What is the purpose of the Verify OTP API?
The Verify OTP API is used to check if the OTP entered by the user matches the OTP generated and sent by the Send OTP API. This verification process is crucial for securing user accounts and preventing unauthorized access or fraudulent activities.
What are the key features of the OTP-Based Verification API?
- Customizable OTP Length: Choose from OTP lengths of 4, 5, 6, 7, or 8 digits.
- Personalized Text Customization: Tailor OTP messages for branding and localization.
- Global Reach: Supports OTP delivery in over 200 countries.
- Secure Delivery Channels: OTPs are sent via SMS.
- Integration Simplicity: Easy integration with detailed documentation and code examples.
- Enhanced Security: Adds an additional layer of security to login, registration, and transaction processes.
- Fraud Prevention: Ensures only legitimate users with the correct OTP can access sensitive actions.
- User-Friendly Experience: Quick and seamless OTP delivery and verification.
- Scalability and Reliability: Handles high volumes of OTP requests efficiently.
- Comprehensive Documentation: Provides detailed information on request parameters, response formats, error handling, and best practices.
In which scenarios is OTP-based verification commonly used?
OTP-based verification is widely used in:
- User Registration: To confirm user identity during account creation.
- Login Authentication: To secure user login processes.
- Two-Factor Authentication (2FA): As an additional security layer.
- Password Reset: To verify user identity before allowing password changes.
- Transaction Verification: To authorize and confirm sensitive transactions.
How can I integrate the OTP-Based Verification API into my application?
To integrate the API, refer to the comprehensive documentation provided. It includes details on request parameters, response formats, error handling, and best practices. You will find everything you need to ensure a smooth and effective implementation.
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