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Telnyx's Verify API makes it easy to add multichannel user authentication to your software via a single API.
Automatically generate and authenticate codes via SMS, Voice Call, Flash Call, or WhatsApp when requested by your users at login.
Automatically generate and authenticate codes via SMS, Voice Call, Flash Call, or WhatsApp when requested by your users at login.
Verify API by Telnyx
Secure apps & services with multichannel user authentication