This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

This is the base interface of AuthenticatorAttestationResponse and AuthenticatorAssertionResponse, which are part of the PublicKeyCredential.response resulting from create() and get(), respectively. It contains the AuthenticatorResponse.clientDataJSON that is inherited by those interfaces. 


A JSON formatted string in an ArrayBuffer, representing the client data that was used during the create() or get() call.




Specification Status Comment
Web Authentication Level 1 Working Draft Initial definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support Nightly build Nightly build No support No support No support
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support No support Nightly build No support No support No support No support No support

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 Last updated by: apowers313,