Life & fun · alternatives · 2026

24 alternatives to APIs for Passwordless Authentication

APIs and SDKs to integrate authentication and security into your app.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. APIs for Passwordless Authentication launched in 2021; newer entries below may have overtaken it.

1. 1
   MojoAuth 2.0▲263

   Easiest way to add passwordless login to your apps & website

   2022 · mojoauth.com · its alternatives →

2. 2
   Protected App by Logto▲117

   Build auth in clicks, no code required

   2024 · logto.io · its alternatives →

3. 3
   SuperTokens Passwordless▲173

   Fully flexible, open source auth in 15 minutes

   2022 · supertokens.com · its alternatives →

4. 4
   Apideck Vault▲112

   The new standard for connecting APIs and integrations

   2021 · apideck.com · its alternatives →

5. 5
   KeyRunner▲104

   The zero trust API client

   2024 · keyrunner.app · its alternatives →

6. 6
   Easyoauth▲73

   Securely connect your front-end web app to APIs, in minutes

   2021 · its alternatives →

7. 7
   ZeroKit▲293

   Breach-proof user auth & end-to-end encryption SDK in one

   2017 · tresorit.com · its alternatives →

8. 8
   SuperTokens▲146

   Open source email & password auth for developers

   2020 · supertokens.com · its alternatives →

9. 9
   Passage by 1Password▲236

   Frictionless security: auth & user management with passkeys

   2023 · 1password.com · its alternatives →

10. 10
    Wallet Login SDK▲103

    Wallet-based authorization and authentication, made simple

    2022 · its alternatives →

11. 11
    DID▲180

    The simplest way to add passwordless auth to websites & apps

    2020 · its alternatives →

12. 12
    Base API▲277

    API for authentication, email sending, images and more!

    2019 · base-api.io · its alternatives →

13. 13
    Xuperauth ▲81

    Walletless and passwordless auth solution for Web3

    2023 · its alternatives →

14. 14
    Passkeys by Hanko▲320

    Quickly integrate passkeys into any app

    2024 · hanko.io · its alternatives →

15. 15
    Keyri▲127

    Turn your app into an ultrasecure authenticator

    2021 · its alternatives →

16. 16
    Byepass▲234

    Passwordless login

    2018 · its alternatives →

17. 17
    idemeum▲91

    Passwordless login with one-click, biometric, or QR-code

    2021 · idemeum.com · its alternatives →

18. 18
    Authenticating.com▲55

    API and SDK for Identity Verification as Service

    2018 · docs.authenticating.com · its alternatives →

19. 19
    Cotter▲166

    One-click phone number login and checkout

    2020 · its alternatives →

20. 20
    AuthGuardian by OneGraph▲185

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

    2020 · its alternatives →

21. 21
    A Go Library for Better Access Control▲158

    A SDK for access control policies: authorization for the microservice and IoT age. Inspired by AWS IAM policies. Written for Go. - ory/ladon

    2017 · github.com · its alternatives →

22. 22BA
    Base – API for authentication, email sending, images and more▲140

    Simple API for authentication, email sending, image storage and more.

    2019 · base-api.io · its alternatives →

23. 23
    UnCrack▲80

    Manage & secure your credentials efficiently

    2023 · github.com · its alternatives →

24. 24
    Simple OTP 2.0▲131

    Passwordless, source-code-included auth for your website

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →