Error: [auth/missing-client-identifier] This request is missing a valid app identifier, meaning that Play Integrity checks, and reCAPTCHA checks were unsuccessful.

[IMTPL]

We are integrating phone auth in our application.We faced an error while integrating the error problem is [Error: [auth/missing-client-identifier] This request is missing a valid app identifier, meaning that Play Integrity checks, and reCAPTCHA checks were unsuccessful. Please try again, or check the logcat for more details.]

We had also enable Google Play Integrity API & followed the document also

Here's what we integrated into it android/app/build.gradle apply plugin: 'com.google.gms.google-services implementation(platform("com.google.firebase:firebase-bom:33.2.0")) implementation 'com.google.android.gms:play-services-safetynet:18.0.1'
implementation 'com.google.firebase:firebase-auth'

Code:- const sendOtp = async () => { try { const confirmation = await auth().signInWithPhoneNumber(phoneNumber); setVerificationId(confirmation.verificationId); console.log('OTP sent'); } catch (error) { console.error(error); } }; const confirmCode = async () => { try { const credential = auth.PhoneAuthProvider.credential( verificationId, code, ); await auth().signInWithCredential(credential); console.log('Phone authentication successful'); } catch (error) { console.log(error); } };

We integrated into react native version 0.75.3

I completed all the basics check what is needed for these phone auth otp integration

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[IamMax279]

same problem, any updates?

[mikehardy]

@IamMax279 there will not be updates on your project not having a valid app identifier, you have to make sure your app has a valid app identifier.

[russellwheatley]

There's plenty of resources to help you debug this particular issue, for example see this stackoverflow thread for potential solutions.

One that I've seen a few times; replace your sha-1 and sha-256 keys (could be incorrect for a few reasons).

1. run ./gradlew signingReport in android/ directory of your app.
2. paste keys into the Firebase console for your app.