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Passwordless.dev

Freemium#32 of 45 in Biometric Authentication Software

Passwordless.dev: A low-cost passkey toolkit with biometrics, APIs, SDKs, and self-hosting options. Ranked #32 of 45 in Biometric Authentication Software by our editors (5.7/10); pricing: Free plan; best for developers needing inexpensive passkey biometrics.

5.7/10Editor score

Try Passwordless.dev

Passwordless.dev5.7 Try Passwordless.dev

At a glance

Editor score
5.7 / 10
Pricing
Free plan
Best for
Developers needing inexpensive passkey biometrics
Free plan
Yes
Paid from
$0.05/user/mo
Deployment model
Hybrid
Founded
2016 · Santa Barbara, California, USA
Facts checked
22 Sep 2026

Where it wins
- Free plan with 10,000 included users
- Face ID, fingerprints, and Windows Hello support
- Open source with APIs, SDKs, and self-hosting
Where it doesn't
- Focuses on passkeys rather than broader authentication needs
- Self-hosting is available in beta
- Pro and Enterprise plans use annual billing

Our verdict on Passwordless.dev

Passwordless.dev is Bitwarden’s developer toolkit for adding FIDO2 WebAuthn passkey registration and sign-in to websites, native applications, and enterprise systems. It suits developers building customer-facing authentication or workforce authentication, especially teams that want platform biometrics such as Face ID, fingerprints, and Windows Hello. The product includes a JavaScript client library, REST APIs, an administrative console, and support for web, iOS, Android, and API deployments.

Pricing is structured across three annual plans. Free costs $0 per user per month and includes the FIDO2 WebAuthn passkey toolkit, support, and documentation access. Pro costs $0.05 per user per month and adds unlimited apps, unlimited console administrators, a dedicated SLA, and prioritized support. Enterprise costs $3 per user per month and adds workforce authentication, support for existing authentication infrastructure, application and organizational event logs, and self-hosting beta access. The offering includes 10,000 users, making the lower tiers relevant for developers controlling authentication costs.

Its ecosystem fit is centered on developer access rather than a broad catalog of third-party integrations. Passwordless.dev supports JavaScript, C#, Java, PHP, and Python, alongside public and private backend REST APIs. Discoverable credentials and browser autofill support help cover common passkey flows, while the console manages applications, users, passkeys, usage, and billing. Cloud and self-hosted deployment options provide flexibility, but self-hosting remains in beta. Choose Passwordless.dev for focused passkey biometrics and implementation control; teams needing a wider authentication scope should consider an alternative.

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

Passwordless.dev pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 22 Sep 2026.

See plans on bitwarden.com

All 3 Passwordless.dev plans and prices →

Passwordless.dev fact sheet

Free plan	Yes
Paid from	$0.05/user/mo
Biometric methods	Face ID, fingerprint, Windows Hello
Deployment model	Hybrid
Supported platforms	Web browsers, Android 9+, iOS, REST API
SDK languages	JavaScript, C#, Java, PHP, Python
Audit logs	Yes
Included users	10000 users
Deployment	Cloud, Self-hosted
Platforms	Web, iOS, Android
Support	Docs, Email
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan (source)
Website	bitwarden.com
Facts checked	22 Sep 2026

Alternatives to Passwordless.dev

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Passwordless.dev for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

Passwordless.dev is listed in our Biometric Authentication Software 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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Last updated 7 Oct 2026 · How we research and update