web-feature: Web authentication

baseline logo Widely available in browsers but not in WebViews

The web authentication API allows you to create public key-based credentials and use them for authentication, such as when signing in. Also known as WebAuthn.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-10

Servo

Android

2026-10

ArkWeb

HarmonyOS

*

Chrome Browser

Android

70

Safari Browser

iOS

13

Notes

Unsupported keys in WebViews

  • Android WebView:
    api.AuthenticatorAssertionResponse api.AuthenticatorAssertionResponse.authenticatorData api.AuthenticatorAssertionResponse.signature api.AuthenticatorAssertionResponse.userHandle api.AuthenticatorAttestationResponse api.AuthenticatorAttestationResponse.attestationObject api.AuthenticatorAttestationResponse.getTransports api.AuthenticatorResponse api.AuthenticatorResponse.clientDataJSON api.CredentialsContainer.create.publicKey_option api.CredentialsContainer.create.publicKey_option.attestation api.CredentialsContainer.create.publicKey_option.attestation.direct api.CredentialsContainer.create.publicKey_option.attestation.enterprise api.CredentialsContainer.create.publicKey_option.attestation.indirect api.CredentialsContainer.create.publicKey_option.attestation.none api.CredentialsContainer.create.publicKey_option.extensions api.CredentialsContainer.create.publicKey_option.extensions.appidExclude api.CredentialsContainer.create.publicKey_option.extensions.credProps api.CredentialsContainer.create.publicKey_option.extensions.credProtect api.CredentialsContainer.create.publicKey_option.extensions.minPinLength api.CredentialsContainer.create.publicKey_option.requireResidentKey api.CredentialsContainer.create.publicKey_option.residentKey api.CredentialsContainer.get.publicKey_option api.CredentialsContainer.get.publicKey_option.extensions api.CredentialsContainer.get.publicKey_option.extensions.appid api.CredentialsContainer.get.publicKey_option.extensions.largeBlob api.PublicKeyCredential.isConditionalMediationAvailable_static

WebViews are not part of Baseline Baseline logo We do web-features computation using web-features-plus-webview

Know something we don't?

Is any of the above data outdated? Or do you want to add a new WebView to the list? Heads on to GitHub and edit the data file!

Edit this page on GitHub Report an issue on GitHub

Not comfortable with GitHub? Send us an email.

Please help us keeping this data updated

This feature was last updated on October 10, 2026.