Phone Number Validation API
The most comprehensive phone validation and fraud detection platform. Get real-time carrier data, fraud scores, and DNC status in one lookup.
Check any US phone number's line type and carrier in seconds. No signup needed.
Complete Phone Intelligence & Fraud Detection
Real-time carrier data, line status, and fraud scoring in a single lookup
Real-time validation & line status
Confirm whether a number is active, disconnected, or invalid instantly.
Carrier identification & OCN
Identify the carrier, network type, and operating company number.
Line type detection
Distinguish mobile, landline, and VOIP numbers before you dial or text.
Porting information (LRN)
Detect ported numbers with local routing number data.
Do Not Call (DNC) status
Stay compliant by checking DNC registry status on every lookup.
Fraud scoring (0-100)
Score every number for fraud risk, including SIM-swap signals.
Phone IntelligenceUse Cases & Results
Real businesses achieving measurable improvements in data quality
E-commerce fraud prevention
Block fake orders and account takeovers by scoring phone risk at checkout.
- Catch high-risk numbers
- Reduce chargebacks
- Protect revenue
Lead qualification
Verify numbers before they reach the dialer so agents only call real, reachable leads.
- Filter dead numbers
- Improve connect rates
- Save agent time
SMS marketing compliance
Confirm line type and DNC status to keep campaigns compliant and deliverable.
- Avoid landlines
- Honor DNC
- Improve deliverability
Start using Phone Intelligence today
One API, universal credits, and a 7-day free trial. Live in about five minutes.