Verify API by Telnyx

Secure apps & services with multichannel user authentication

What it does

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.

Does the same job

all alternatives →

VerifyKit2022 · ▲175
Verify your users faster and cheaper than ever
SMS Verification Service2025 · ▲213
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TypingDNA Verify (2FA)2021 · ▲189
Replace SMS 2FA codes with better UX, just type 4 words
Nexmo2015 · ▲100
API's for SMS, voice, and phone verification
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Simplest way to verify identities online

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