Telesign Silent Verification vs Telesign Verify API: Side-by-Side Comparison (2026)

Telesign Silent Verification

Startups and SMBs handling high-volume user onboarding will see the fastest ROI from Telesign Silent Verification because it cuts friction to near zero, letting you verify device possession without prompting users to enter codes or answer questions. The tool works across global mobile networks using MSISDN matching, meaning you authenticate users who are already on their registered phone without asking them to do anything. Skip this if your users regularly switch devices mid-session or if you need strong passwordless authentication for workforce access; this is built for consumer signup flows and account takeover prevention, not identity proofing.

Telesign Verify API

Startups and SMBs adding frictionless authentication without building custom integrations should start with Telesign Verify API; seven-channel support (SMS, push, WhatsApp, RCS, and others) means you route users to their preferred method instead of forcing one path, and silent verification lets you authenticate without interrupting user flow. The single API handles multichannel fallback and regional routing rules automatically, cutting implementation time against point solutions. Skip this if you need deep passwordless infrastructure or step-up authentication tied to risk scoring; Telesign excels at delivery and channel choice, not behavioral signals.