Authsignal alternatives

Nearest on its board

1. 13
   BV

   Bird Verifybird.com

   Bird Verify confirms control of a phone number or email address by sending a code and checking the recipient’s answer.

   5.9 APIOpenFree Free tier
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2. 15
   L

   LoginRadiusloginradius.com

   LoginRadius describes its platform as a fully managed Customer Identity and Access Management (CIAM) service for authentication, authorization, and identity…

   5.6 APIOpenFree —
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3. 12
   PV

   Plivo Verifyplivo.com

   The Verify API sends and validates one-time passwords for two-factor authentication.

   6.0 APIOpenFree Free tier
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4. 16
   TS

   TraitWare SDKtraitware.com
   5.6 APIOpenFree —
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5. 11
   M

   MojoAuthmojoauth.com

   MojoAuth provides consumer apps with one API for passwordless customer authentication.

   6.1 APIOpenFree Free tier · from $120/mo
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6. 17
   TV

   Twilio Verifytwilio.com

   Verify is a managed API for user verification and authentication flows, including one-time passcodes, two-factor authentication, account recovery, and step-up…

   5.4 APIOpenFree —
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7. 10
   S

   Stytchstytch.com

   Stytch describes itself as an identity platform for humans and AI agents that combines authentication, authorization, and security.

   6.2 APIOpenFree Free tier
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8. 18
   Y

   YubiCloudyubico.com
   4.9 APIOpenFree Free tier
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9. 9
   D

   Descopedescope.com

   Descope is a customer and agentic identity platform for authentication, user management, authorization and identity journeys.

   6.2 APIOpenFree Free tier · from $249/mo
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10. 19
    YS

    Yubico SDKsyubico.com
    4.5 APIOpenFree —
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11. 8
    P

    privacyIDEAprivacyidea.org

    privacyIDEA is a modular authentication server for adding two-factor authentication to applications, VPNs, remote access, SSH, websites, and web portals.

    6.3 APIOpenFree Free tier · from €165/mo
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12. 20
    TV

    Telesign Verifytelesign.com
    4.4 APIOpenFree —
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13. 7
    MM

    miniOrange Multi-Factor Authenticationminiorange.com

    The MFA solution requires users to verify identity with two or more factors before accessing an account or system.

    6.3 APIOpenFree Free tier · from $2/mo
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14. 21
    TV

    Telnyx Verifytelnyx.com
    4.1 APIOpenFree —
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15. 6
    SV

    Sinch Verification APIsinch.com

    The API provides scalable multi-factor authentication for app security and user verification.

    6.3 APIOpenFree Free tier
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16. 22
    VV

    Vonage Verifyvonage.com
    4.1 APIOpenFree —
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17. 5
    OA

    OpenOTP Authentication Serverrcdevs.com

    OpenOTP is an MFA server with OTP and FIDO2 for securing user network access.

    6.4 APIOpenFree Free tier
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18. 23
    I2

    Infobip 2FAinfobip.com
    4.0 APIOpenFree —
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19. 4
    L

    LinOTPlinotp.org

    LinOTP is an open-source platform for strong multi-factor authentication and protecting digital identities and transactions.

    6.4 APIOpenFree Free tier
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20. 24
    DA

    Duo Auth APIduo.com
    3.9 APIOpenFree —
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