Api key showin on web site html code

[kyesil]

I put apikey my html code.
flutter build web output include my api key plain text.
is this secure for share my website ?

[Ehesp]

These are your client credentials which are expected to be public/viewable. You just need to add measures to prevent unauthorized access to your data, for example with security rules if using Firestore.

See here for more information https://stackoverflow.com/questions/37482366/is-it-safe-to-expose-firebase-apikey-to-the-public