Discover how a Fortune 500 SaaS company eliminated 94% of phone validation costs and saved $120,000 annually by detecting and removing landlines with real-time carrier intelligence.
TechCorp was spending $127,000 annually validating phone numbers that could never be used for SMS verification or user authentication. 42% of their database contained landlines that were completely unusable for modern communication.
SMS campaigns had a 78% failure rate, customer onboarding dropped by 56%, and support tickets increased by 234% due to failed OTP attempts. The marketing team was wasting $42,000 per month on undeliverable messages.
TechCorp implemented Phone-Check.app's carrier detection API to automatically identify line types during data collection and validation. The system instantly distinguishes between mobile, landline, VoIP, and virtual numbers with 99.6% accuracy.
Implemented real-time filtering that automatically flags and removes landlines during data entry, form submissions, and list imports.
Carrier detection identified high-risk VoIP and virtual numbers, reducing fraud attempts by 68% and account takeover attempts by 73%.
Sales team focused only on mobile-verified leads, increasing connect rates by 43% and reducing qualification time by 67%.
// Real-time line type detection during form submission
const response = await phoneCheck.validate({
phone: '+1234567890',
includeCarrier: true,
includeLineType: true,
includeRisk: true
});
// Response structure
{
"valid": true,
"lineType": "mobile", // mobile, landline, voip, virtual
"carrier": {
"name": "Verizon Wireless",
"country": "US",
"networkType": "mobile"
},
"risk": {
"score": 0.12,
"isDisposable": false,
"isBusiness": true
}
}Elimination of high-risk VoIP and virtual numbers
Higher engagement with mobile-only campaigns
Sales team focuses on verified mobile leads
Join thousands of enterprises saving an average of $89,000 annually by implementing intelligent carrier detection and phone validation.
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Professional phone validation with carrier detection, line type identification, and risk assessment. No free tier, just enterprise-grade quality and instant setup.
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