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Telnyx Verify

#12 of 25 in Multi-Factor Authentication APIsPhone Verification Software

Telnyx Verify: A low-cost verification API for global OTP delivery, with a focused phone-based factor set. Ranked #12 of 25 in Multi-Factor Authentication APIs by our editors (7.8/10); pricing: Paid; best for low-cost global OTP verification.

7.8/10Editor score
Visit Telnyx
Telnyx Verify7.8 Visit Telnyx

At a glance

  • Editor score
    7.8 / 10
  • Pricing
    Paid
  • Best for
    Low-cost global OTP verification
  • Free plan
    No
  • Paid from
    $500/mo
  • Founded
    2009 · Austin, Texas, United States
  • Facts checked
    20 Sep 2026

  • Where it wins

    • $0.03 per successful verification across four delivery channels
    • Supports more than 190 country codes with real-time webhook events
    • Includes validation APIs, delivery reports, and configurable Verify Profiles

  • Where it doesn't

    • No free plan for evaluation or lower-volume use
    • Focused on phone-based verification rather than broader factor types
    • Channel-specific API pricing adds complexity beyond the verification fee

Our verdict on Telnyx Verify

Telnyx Verify is a developer-focused API for adding phone-based verification and two-factor authentication to web applications. It sends one-time codes through SMS, voice calls, flash calls, and WhatsApp, with endpoints for sending and validating codes. The service is aimed at organizations building authentication workflows across global markets, particularly teams that need several phone-delivery options without adopting separate APIs for each channel.

Pricing is usage-based. The published plans show $0.03 per successful verification for SMS, voice calls, flash calls, and WhatsApp OTP delivery, with channel-specific API pricing also applying. Pay as you go has a $0 per month minimum, standard rates, automatic tier discounts as usage crosses thresholds, and no contract. The Committed plan costs $500 per month and adds discounted usage rates, a named account manager, priority support, and higher limits. Enterprise costs $5,000 per month and adds dedicated infrastructure and IPs, private interconnect, and unlimited rate limits.

For implementation, Verify Profiles configure channel, message, timeout, and webhook settings, while the verification-code validation API handles code checks. Real-time webhook events cover sent, delivered, and failed verifications, and client-based delivery reports support verification analytics. The API supports web and API environments, with SDK languages including Python, Ruby, Node.js, PHP, and .NET. Support for more than 190 country codes suits globally distributed applications. Telnyx Verify is a strong fit for teams prioritizing low-cost OTP delivery and channel flexibility; teams seeking broader authentication factors should choose a platform with a wider factor set.

Your product? Our editors can test Telnyx Verify in depth and publish a review, labelled as paid · from $149/mo →

Telnyx Verify pricing

Plans Paid No free plan — trial or paid only. Prices checked 20 Sep 2026.
See plans on telnyx.com

All 7 Telnyx Verify plans and prices →

Telnyx Verify fact sheet

Free planNo
Paid from$500/mo
Passkey supportNot verified
Push verificationNot verified
TOTP supportNot verified
SMS OTPYes
Email OTPNot verified
SDK languagesPython, Ruby, Node.js, PHP, .NET
Webhook supportYes
DeploymentCloud
PlatformsWeb
Compliance & securitySOC 2, ISO 27001, GDPR, HIPAA, PCI DSS
SupportEmail, Phone, Docs · 24/7
Built forSmall business, Mid-market, Enterprise (editorial estimate)
PricingPaid (source)
Websitetelnyx.com
Facts checked20 Sep 2026

Alternatives to Telnyx Verify

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Also Ranked In

Telnyx Verify is ranked in 2 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — Telnyx Verify 7.8/10

Telnyx Verify is listed in our Multi-Factor Authentication APIs directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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