Question: I'm looking for a solution that can verify user identities across multiple channels, such as SMS, voice, and phone numbers.

If you need a more comprehensive identity verification solution across multiple channels, Telesign offers a suite of APIs. That includes SMS, voice and phone number intelligence, omnichannel verification, fraud detection and silent verification. That can help companies securely authenticate users and increase security while speeding up user onboarding and reducing fraud. Telesign has global coverage in more than 230 countries, and is good for e-commerce, financial services and other businesses.

Another good option is Jumio, which offers AI-based identity verification with features like ID checks, selfie comparisons and liveness detection. It supports more than 5,000 ID types from 200+ countries and offers detailed risk scoring and real-time risk assessment. Jumio's platform is designed to thwart fraud, ensure compliance and onboard customers fast, and is good for financial services, healthcare and government.

If you want something more flexible, Twilio offers communication APIs for SMS, WhatsApp, voice and email so businesses can personalize customer journeys and onboard users securely. The company also offers powerful authentication and identity tools through its Verify and Lookup APIs, making it a good choice for companies that want to handle multichannel communications and user verification in one place.

Sumsub offers a similar identity verification platform that verifies user, business and transaction data and uses machine learning to block fraud. It offers flexible integration options and customizable verification flows, and is good for fintech, transportation and gaming. With a claimed high return on investment, Sumsub is a scalable and secure option for businesses.