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Business Operations

Best Phone Verification Software in 2026

Phone verification software helps services send and check one-time codes by SMS or voice. This list helps teams comparing tools for sign-up, login and account checks.

  1. 01 Gupshup

    Gupshup is aimed at marketing, performance marketing, commerce and growth, and customer support teams.

    Free plan Web · API
    8.6 Visit Specs
  2. 02 Sinch Verification API

    It suits developers adding phone verification or multi-factor authentication to account flows on mobile, web, or API-based services.

    Free trial Web · iOS · Android · API
    8.2 Visit Specs
  3. 03 Bird Verify

    Bird Verify suits developers adding phone or email ownership checks through API or web integrations.

    Free plan Web · API
    8.0 Visit Specs
  4. 04 MSG91
    Web · iOS · Android · API
    7.7 Visit Specs
  5. 05 2Factor.in OTP API
    From ₹4,999/mo Free plan Web
    7.5 Visit Specs
  6. 06 Plivo Verify

    Plivo Verify suits direct brands building OTP-based two-factor authentication through an API.

    Free trial Web · API
    7.5 Visit Specs
  7. 07 Twilio Verify
    Free trial Web · API
    7.5 Visit Specs
  8. 08 ValueFirst RCS Business Messaging
    Web · API
    6.9 Visit Specs
  9. 09 Dollu Voice API
    5.9 Visit Specs
  10. 10 Hi-Send OTP Service
    Web
    5.9 Visit Specs
  11. 11 otp.com
    Web · iOS · Android
    5.9 Visit Specs
  12. 12 Clickatell Verify
    5.8 Visit Specs
  13. 13 Infobip 2FA
    Web
    5.8 Visit Specs
  14. 14 Noxitel OTP API
    Web
    5.8 Visit Specs
  15. 15 OTP.dev
    Web
    5.7 Visit Specs
  16. 16 Telesign Verify
    Web · iOS · Android
    5.7 Visit Specs
  17. 17 Vonage Verify
    Web
    5.7 Visit Specs
  18. 18 OTP Gateway
    Web
    5.6 Visit Specs
  19. 19 Prelude Verify
    Web
    5.6 Visit Specs
  20. 20 Telnyx Verify
    Web
    5.5 Visit Specs
  21. 21 Route OTP
    5.4 Visit Specs
  22. 22 Veriph.One Phone Verification SDK
    Web · iOS · Android
    5.4 Visit Specs
  23. 23 Twenty5 OTP & Verification API
    Web
    5.3 Visit Specs
  24. 24 Voxology Verify API
    5.0 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Compare free-plan availability, trial terms, paid starting prices, SMS and voice verification, country coverage, verification methods, API access and OTP expiry control. Check whether the platform you need is web, API, iOS or Android.

Compare Gupshup and Sinch Verification API Get a place on this list

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