[Raed667]

Thanks for the clarification! Do you know if any services that implemented the full flow including the discovery of user id ?

[stpn]

We do this for https://tender.run - the feature is called conditional mediation / ui. I found this article[0] helpful for implementation.

[0]: https://web.dev/articles/passkey-form-autofill#fetch_a_chall...

[mderazon]

GitHub

[ecesena]

See also: https://webauthn.io

If you want to explore more options.