Learn how SMS pumping fraud silently drains marketing budgets and how modern phone validation APIs can stop attacks automatically, saving businesses an average of $127,000 annually with 89% fraud reduction.
SMS pumping fraud, also known as Artificial Traffic Inflation (AIT) or SMS toll fraud, is a sophisticated attack where fraudsters generate artificially high volumes of SMS messages to premium-rate numbers they control. Unlike traditional spam, these attacks exploit your OTP and SMS marketing systems to generate revenue for attackers.
Instantly identify and flag VoIP numbers before sending any SMS. Our API detects both fixed and non-fixed VoIP lines with 99.6% accuracy across 232 countries.
// VoIP Detection Example
const response = await phoneCheck.validate({
phone: '+1234567890',
check_voip: true
});
if (response.line_type === 'voip') {
// Block or require additional verification
if (response.voip_type === 'non_fixed') {
return { blocked: true, reason: 'High-risk VoIP' };
}
}Analyze carrier patterns to identify suspicious number ranges and detect when multiple submissions come from the same carrier network within unusual timeframes.
Combine multiple data points into a risk score (0-100) to make automated blocking decisions:
Detect abnormal timing patterns that indicate automated attacks, such as submissions at regular intervals or bursts outside normal business hours.
Leverage collective intelligence from millions of daily validations to identify emerging attack patterns and update detection rules in real-time.
Calculate your potential savings with SMS fraud protection:
• Industry: B2B SaaS
• Challenge: 18% fraud rate on user signups
• Solution: Real-time VoIP detection + risk scoring
• Results: 94% fraud reduction, $89K monthly savings
• Industry: E-commerce
• Challenge: 3,400 daily fake form submissions
• Solution: Multi-layer validation system
• Results: 99.7% spam elimination, $45K saved
SMS pumping attacks can cost businesses anywhere from $5,000 to $500,000+ per month depending on scale. We've seen sophisticated attacks generating over 100,000 SMS messages in 24 hours, costing upwards of $8,000 in a single day.
Not significantly. Only 7% of legitimate business communications come from VoIP numbers. Our system uses risk scoring to allow low-risk VoIP numbers while blocking suspicious patterns, ensuring minimal impact on genuine users.
While CAPTCHA has a 40% bypass rate with modern AI bots, our phone validation API achieves 98% detection rates and provides a better user experience with zero friction for legitimate users.
Most businesses see positive ROI within 2-3 weeks. The average customer saves $127,000 annually after implementation costs, representing a 740% ROI in the first year.
Join 1,247 businesses that have saved $187M+ in SMS fraud losses