number.sh provides an advanced phone number verification service designed to help businesses protect against scammers and fraud. Utilizing constantly updated, AI-driven data, the service enables organizations to easily detect disposable and virtual phone numbers, enhancing security for processes like OTP and 2FA. With coverage in multiple countries including the USA, Canada, UK, France, the Netherlands, Spain, and Belgium, it supports compliance needs, and ensures GDPR-compliant handling, logging no customer phone data.

The platform features a secure, fast API solution tailored for developer, fraud, and compliance teams, and offers simple integration to enable instant protection. number.sh’s transparent, tiered pricing makes robust number validation accessible for businesses of all sizes.

NumCheckr offers robust phone number validation services tailored for businesses aiming to prevent fraud and eliminate fake user registrations. By leveraging intelligent detection methods, NumCheckr identifies and flags disposable, virtual, and temporary phone numbers—including those used by bots and fraudsters for bypassing verification processes.

The platform covers over 120 countries and supports both single and bulk validations using its user-friendly dashboard or via seamless API integration. Users can upload CSV or Excel files for batch processing and receive detailed reports with actionable insights. High availability, low response latency, and a focus on filtering out spam and fraudulent activity make NumCheckr an essential tool for onboarding genuine users and maintaining data integrity.