firebase_auth: Requests from this Android client application <empty> are blocked.

[mehtahardikr]

Is there an existing issue for this?

• I have searched the existing issues.

Which plugins are affected?

No response

Which platforms are affected?

Android

Description

Integrated firebase_auth for phone authentication with OTP , but everytime trying to send otp it navigates to browser and ended up with error message says blocked.

did all steps but, don't what is missing still.
using flavor too for android app.

already added sha-1 and sha-256 to firebase console.

Reproducing the issue

try to integrate phone auth by adding google-services.json file

Firebase Core version

3.15.1

Flutter Version

3.32.8

Relevant Log Output

E/zzb (17468): Failed to get reCAPTCHA token with error [There was an internal error in the web widget. [
{"code":"auth/internal-error","message":"{"error":{"code":403,"message":"Requests from this Android client application <empty> are
blocked.","errors":[{"message":"Requests from this Android client application <empty> are
blocked.","domain":"global","reason":"forbidden"}],"status":"PERMISSION_DENIED","details":[{"@type":"type.googleapis.com/google.rpc.ErrorInfo","reason":"API_K
EY_ANDROID_APP_BLOCKED","domain":"googleapis.com","metadata":{"consumer":"projects/381127126343","androidPackage":"<empty>","service":"identitytoolkit.googleapis.
com"}},{"@type":"type.googleapis.com/google.rpc.LocalizedMessage","locale":"en-US","message":"Requests from this Android client application <empty> are blocked."}]}}"}
]]- calling backend without app verification

Flutter dependencies

Expand Flutter dependencies snippet

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Additional context and comments

No response