Phone Verification
Didit's Phone Verification provides a reliable method to verify user phone numbers through one-time passcodes (OTP). This feature adds an essential layer of security to your identity verification process, ensuring legitimate user contact information.
How it works
Our Phone Verification solution delivers comprehensive phone number validation through a simple, user-friendly process. The system combines OTP verification with advanced risk assessment to provide reliable phone verification at scale.
Phone Collection
The system securely collects:
- Phone Number:
- If not provided during session creation, the user enters their phone number in international format
- If provided during session creation, the user must verify the pre-filled phone number
- Country Code: Automatically suggested based on IP location or user selection
- Carrier Type: Detected whether mobile or landline number
OTP Generation & Delivery
Our verification system:
- Generates a secure, time-limited one-time passcode
- Delivers the code via SMS to the provided number
- Ensures optimized delivery through multiple carrier integrations
- Provides fallback options for delivery challenges
Code Validation
The user completes verification by:
- Entering the received code into the verification interface
- Submitting within the configured timeframe (typically 5-10 minutes)
- Requesting a new code if needed (with appropriate rate limiting)
Risk Assessment
Our system performs advanced checks:
- Verifies the phone number format and carrier information
- Checks against known disposable/virtual number databases
- Identifies potential SIM swap risks
- Detects suspicious activity patterns
- Cross-references with historical verification data
Result Delivery
Access verification results through multiple channels:
- Real-time dashboard updates
- Instant webhook notifications
- RESTful API integration
- Comprehensive reports with detailed verification information
Verification Features
Our Phone Verification service offers several key features to enhance your verification process:
OTP Verification
- Secure Code Generation: Randomly generated one-time passcodes
- SMS Delivery: Fast and reliable delivery to mobile devices
- Configurable Timeouts: Set expiration times based on your security requirements
- Retry Options: Allow users to request new codes with appropriate rate limiting
Phone Number Analysis
- Format Validation: Ensure the phone number follows the correct international format
- Carrier Detection: Identify the telecommunications provider associated with the number
- Number Type: Distinguish between mobile, landline, and VoIP numbers
- Country Validation: Verify phone number matches expected country format
Risk Assessment
- Disposable Number Detection: Identify temporary numbers used to avoid traceability
- Virtual Number Identification: Flag numbers that may be virtual or VoIP-based
- Activity Monitoring: Track suspicious patterns across verification attempts
- Blocklist Checking: Check against internal lists of previously misused numbers