CallerAPI is an enterprise spam call blocking and telecom fraud prevention API that helps carriers, CPaaS platforms, VoIP providers, and enterprises protect their networks, reduce fraud, and improve call trust — all through a single, scalable API
With global coverage across 27 countries and more than 15,000 new spam numbers identified every day, CallerAPI delivers real-time intelligence that stops robocalls, spoofing, and scam attempts before they reach end users
Known for its low-latency performance (average response ~0.5 seconds) and ability to handle millions of daily lookups, CallerAPI combines spam detection, carrier validation, and risk scoring into one unified solution. Its continuously updated fraud database refreshes every 5 minutes, ensuring businesses always operate with the most accurate and reliable data
Trusted by telecom operators, VoIP providers, and fraud prevention teams worldwide, CallerAPI enables organizations to strengthen compliance, raise answer rates, and protect revenue streams. With flexible integration options, white-label support, and enterprise-grade scalability, it provides the foundation for a safer, more efficient global calling ecosystem
CallerAPI is building the world’s leading spam call intelligence and blocking infrastructure — purpose-built for enterprises that demand reliability, speed, and accuracy at scale
Seller
CallerAPILanguages Supported
English
Product Description
CallerAPI is a powerful caller identification and phone validation solution designed to enhance B2B lead quality and streamline sales and marketing processes.
Our API integrates seamlessly with existing tech stacks, providing real-time, accurate caller information to boost efficiency and conversion rates.
We offer real-time caller identification, comprehensive phone number validation, and multi-source data aggregation for enhanced accuracy.
Our global coverage spans mobile, landline, and VoIP numbers, with built-in spam and fraud detection.
CallerAPI helps B2B companies increase lead conversion rates, improve sales team efficiency, and enhance marketing campaign ROI through precise audience targeting. By leveraging data from multiple trusted sources, including major telecommunications providers, we ensure the most comprehensive and up-to-date information.
Our solution is designed for easy integration with CRM systems, dialer software, and marketing platforms. With flexible pricing plans, robust documentation, and dedicated support, CallerAPI scales with your business needs while maintaining GDPR and CCPA compliance.
Transform your lead quality and drive business growth with CallerAPI - the choice of innovative B2B companies for advanced caller identification and lead enhancement.
Overview by
Dmitry B.