Web features explorer

Web authentication easy public key access

Widely Available (since 2026-04-24)

The getAuthenticatorData(), getPublicKey(), and getPublicKeyAlgorithm() methods of AuthenticatorAttestationResponse access credential data inside attestationObject without the need to parse it.

Browser support

  • Chrome 85 Released on 2020-08-25
  • Chrome Android 85 Released on 2020-08-25
  • Edge 85 Released on 2020-08-27
  • Firefox 119 Released on 2023-10-24
  • Firefox for Android 119 Released on 2023-10-24
  • Safari 16 Released on 2022-09-12
  • Safari on iOS 16 Released on 2022-09-12

MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~0.000% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist