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Verify API
Use a single API with ready-made logic to build and test PIN generation, delivery and failover for more intelligent onboarding and authentication.
Try it free
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A Vonage expert will get back to you shortly. In the meantime, feel free to explore the new Vonage and how we're making communications more flexible, intelligent and personal so our customers can stay ahead.
Get smarter fail-safe, reliable delivery and tailor-made messaging.
Intelligent failover
Resend PIN codes via voice (TTS) to customers automatically through one API request without additional code. Learn more
Adaptive Routing™
Ensure optimum delivery by rerouting messages proactively around congestion — like GPS for your SMS.
Flexible implementation
Choose from three Verify models: Verify Success, Verify Request or Verify Conversion.
Verify Success
Our full-service, per-conversion only model allows you to start authenticating phone numbers across the globe with just a few lines of code. Verify manages the PIN code with auto-failover to additional channels when needed.
Verify Request
Our per-request model allows our customers to manage their PIN code and customise the failover sequence to additional channels.
