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Singular Key

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Singular Key enables users to deploy multi-factor and passwordless authentication on the web, mobile, or legacy applications using a unified authentication service. Turn on YubiKey authentication on Singular Key to leverage the strong security of FIDO U2F and WebAuthn.

Frictionless Authentication Experience

Singular Key’s AWS-based hyper-scalable authentication platform allows organizations to easily rollout YubiKey support across multiple channels to enable a frictionless authentication experience for your users.

Phishing Defense

Singular Key helps reduce your organization’s attack surface for account takeovers by making it easy to leverage FIDO U2F, WebAuthn, and FIDO2 with the YubiKey for strong defense against phishing and man-in-the-middle attacks.


Using just a few lines of code and APIs from Singular Key’s authentication platform, you can easily roll out YubiKey support to your app or service. Singular Key’s simple per active user or transaction pricing model is inexpensive and keeps your overall costs low.

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Yubico-verified listing

This product integration has been vetted and verified by the Yubico team. This company may or may not partner with Yubico to jointly solve customer needs.

Identify your YubiKey
  • Security
Compatible legacy YubiKeys
  • Fido U2F Security Key
  • Security Key
  • YubiKey 4
  • YubiKey 4 Nano
  • YubiKey 4C
  • YubiKey 4C Nano
  • YubiKey Edge
  • YubiKey Edge-n
  • YubiKey NEO
  • YubiKey NEO-n
Product overview

Singular Key harnesses the strength and reliability of hardware-backed security keys to deliver easy to use passwordless and multi-factor authentication solutions. Singular Key supports WebAuthn, FIDO Universal 2nd Factor (U2F), and FIDO2 and enables phishing-resistant security with the multi-protocol YubiKey.

Security protocol support
  • Universal 2nd Factor (U2F)
  • FIDO2/WebAuthn
Desktop/laptop platform support
  • Linux
  • macOS
  • Microsoft Windows
Mobile platform support
  • Android (Smartphone/Tablet via NFC)
Browser support
  • Google Chrome
  • Microsoft Edge
  • Mozilla Firefox
  • Opera

Get started

Get started using Singular Key with the YubiKey.

Interested in this service?

Visit Singular Key for more information.

Does your product support YubiKey authentication? Join the Works with YubiKey Program.