Alternatives

Products that do what Verify API by Telnyx does

Secure apps & services with multichannel user authentication

1. 1
   VerifyKit▲175

   Verify your users faster and cheaper than ever

   2022

2. 2
   SMS Verification Service▲213

   SMS-Verify.me | secure sms verification made simple

   2025

3. 3
   Everify▲69

   SMS verification made dead-simple, secure and cheap.

   2021

4. 4
   TypingDNA Verify (2FA)▲189

   Replace SMS 2FA codes with better UX, just type 4 words

   2021

5. 5
   Nexmo▲100

   API's for SMS, voice, and phone verification

   2015

6. 6
   ID Verify by Trueface▲169

   Simplest way to verify identities online

   2018

7. 7
   NoPass.me▲129

   Open-source identity verification

   2021

8. 8
   Mati▲184

   Legally verify users with a few lines of JS

   2018

9. 9
   Numverify▲81

   Global phone number validation and lookup API

   2019

10. 10
    AuthGuardian by OneGraph▲185

    The easiest 3rd-party sign-in for your apps and APIs

    2020

11. 11
    TypingDNA Authentication API▲187

    Secure users by their typing behavior with free low-code API

    2020

12. 12
    Authmoji▲123

    Two-factor authentication with flair

    2021

13. 13
    Email Verify API▲92

    Simple email validation API for a $39 lifetime license

    2021

14. 14
    OtpNinja▲80

    Setup OTP API easily

    2021

15. 15AR
    ApproveAPI – Real-Time user approvals via email, SMS, and push▲183

    2019 · approveapi.com

16. 16
    Dwolla.js▲203

    Bank verification for developers in just a few lines of code

    2015

17. 17
    Cognito▲139

    Phone number based identity verification service

    2017

18. 18
    proxnum▲3

    Instant virtual numbers for SMS verification worldwide

    Jul 2026 · proxnum.com

19. 19BA
    Base – API for authentication, email sending, images and more▲140

    2019 · base-api.io

20. 20
    Email OTP / 2FA by Dexatel Verify▲22

    Verify users safely with Email OTP fallback

    Oct 2025

21. 21AM
    A microservice that makes adding authentication to your app easy▲89

    2017 · github.com

22. 22
    Legitify▲106

    Compliant cross-border notarization, reimagined.

    Apr 2026

23. 23
    GhostPhone▲35

    Number Generator for verification codes, onboarding and QA

    Jun 2026 · chromewebstore.google.com

24. 24RA
    REST API for Global Address Verification▲80

    2013 · lob.com

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