400 questions
0
votes
1
answer
49
views
Firebase App Check debug token not showing on iOS (shows fine on Android)
I'm developing an app for both Android and iOS, thanks to Dart & Flutter. It looks fine for me on Android, but not on Apple.
I'm using Firebase App Check to secure the resources of Google.
In ...
- 309
1
vote
0
answers
199
views
Why does Firebase App Check think that my app is not registered?
I've been working on a Flutter project for iOS, and I'm confused on why Firebase App Check isn't working. Last release, it worked fine, but this release, it fails...so this leads me to believe that it'...
- 450
1
vote
0
answers
117
views
[firebase_app_check]: Error returned from API. code: 403 body: App attestation failed
I hope you’re doing well.
I’m experiencing an issue with App Check in my Flutter app. Everything was working fine until 02/09/2025, but afterwards I started receiving the following errors:
Error ...
0
votes
1
answer
74
views
Firebase AppCheck Replay protection on custom BE without Admin SDK
Is there a way to enable replay protection on a BE that does not use one of the languages supported by the admin SDK ? I would like to consume a token after verification and not only checking its ...
- 4,692
0
votes
1
answer
119
views
I am unable to test my app in closed testing because of App Check from Firebase
As in the title, I am unable to test my application that was published to closed testing in Google Play because of Firebase App Check.
Firstly, I published my app to internal testing channel, but the ...
- 76
0
votes
0
answers
147
views
Firebase App Check (Play Integrity API) fails on certified, non-rooted Pixel devices — App attestation failed (403)
We have integrated Firebase App Check on Android using the Play Integrity API provider. Initially, App Check was disabled due to issues with some users, particularly those on GrapheneOS, who were ...
- 1,489
1
vote
1
answer
76
views
How to fix "The name 'PlayIntegrityAppCheckProviderFactory' does not exist in the current context" when using Play Integrity with Unity?
I'm facing an issue when i try to build my app by using play integrity in firebase library on unity. here is my class that work in debug and compile also if i remove the android code with play ...
- 45
1
vote
0
answers
50
views
Firebase App Check: Unverified requests on iOS (1-10%)
We have set up App Check for our app. In our production environment (used for TestFlight testing, not yet publicly released), we are seeing a certain percentage of unverified requests.
For Firebase ...
- 451
3
votes
1
answer
66
views
How to Automatically Allow Firebase App Check Debug Tokens in a Flutter App Without Manual Updates in the Firebase Console?
I'm trying to add Firebase App Check to my Flutter app. The app works fine with the debug provider, but each time the app is installed, the App Check debug token changes. This forces the development ...
0
votes
1
answer
68
views
Add AppCheck to Firebase Function
I'm developing a firebase function for an old ios app. It's working ok and I would like to add AppCheck to it, but I'm struggling with this.
This is what I have now.
I my podfile:
pod '...
- 1,143
0
votes
1
answer
110
views
Firebase Callable Function with enforceAppCheck Returns "unauthenticated " Error
I'm experiencing an issue with one of my Firebase Cloud Functions. When I call my function from the client, I receive the following error:
unauthenticated
class FirebasePublicationRepository ...
- 13
1
vote
1
answer
141
views
Having trouble with App Check firebase backend for authenticating users with permissions
I'm currently dealing with an iOS app that is already published to the App Store. I've been troubleshooting the past few days without success. Trying to get Firebase to recognize my App Check token. ...
- 11
2
votes
0
answers
198
views
Clarification on Firebase App Check with Play Integrity and App Distribution
I’ve integrated Firebase App Check into our app using the Play Integrity provider, and it works perfectly when downloading the app from the Play Store’s Internal Testing Track.
However, I’m ...
- 317
1
vote
0
answers
121
views
Firebase App Check Debug Token not showing on Flutter run
I'm trying to get App Check to work in my Flutter application (Android).
I followed the step by step configuration in the documentation in this link: https://firebase.google.com/docs/app-check/flutter/...
- 178
0
votes
0
answers
91
views
Firestore missing or insufficient permissions using App Check
I am working on developping a nextjs website for myself and right now I am focusing on data.
It's a portfolio website, so no account needed.
My current problem is that I can't run my app using ...
0
votes
1
answer
167
views
App Check in Firebase with my Xcode project
I am trying to implement App Check in my Xcode project, so that only my app is allowed to access the Firebase Database.
I've configured the App Check settings in Firebase. I've changed the Firebase ...
0
votes
0
answers
79
views
Firebase authentication error - with App check
I am facing the error with firebase authentication when user enters wrong password it got stuck with below error message on Appcheck.
E/RecaptchaCallWrapper(18987): Initial task failed for action ...
- 325
0
votes
1
answer
207
views
How do I work around this Google Identity for iOS error?
I'm using Google Sign-In in a Flutter project with Firebase and AppCheck, but I can't sign in on development builds. I receive a Missing or insufficient permissions error for all Firestore calls. ...
- 129
0
votes
0
answers
81
views
Firebase Appcheck not verifying token
I am creating an app where people can create docker containers. I am trying to protect my api by using firebase appcheck with reCAPTCHA enterprise. I have the frontend send a token to the backend for ...
- 1
1
vote
0
answers
49
views
App Check failing in Cloud Function call from Flutter iOS app
I recently switched to a new Mac Mini from Linux and am currently setting up my development environment for a Flutter app + Firebase. On my previous machine, I was able to run the project without any ...
- 858
0
votes
1
answer
78
views
Firebase App Check Throws 401 Error on iOS Devices
I am encountering a 401 error with Firebase App Check on iOS devices and need help identifying the issue.
We are using Firebase App Check to secure our backend API. The setup on Android was successful,...
- 13
0
votes
1
answer
48
views
Phone Verfication Auth is not allowing to Access data in Firestore
I am facing issue with Getting Data from Firestore
Error : FirebaseError: Missing or insufficient permissions.
After changing the rule to below
service cloud.firestore {
match /databases/{database}...
1
vote
1
answer
70
views
Get "FirebaseException: Cannot parse null string" when using FirebaseAppCheck.GetAppCheckTokenAsync with secondary FirebaseApp instance
I'm using AppCheck version 12.1.0 for my Unity(version 2022.3.20f1)'s game with secondary firebase app instance follow this instruction https://firebase.google.com/docs/projects/multiprojects#...
- 11
0
votes
0
answers
79
views
Cannot debug Unity project with Firebase Analytics in VSC
I am having a problem when trying to use the debugger in visual studio code for my Unity project.
I use Firebase Analytics in my project, and I am able to compile and run my app in the Unity Editor, ...
0
votes
0
answers
536
views
@firebase/app-check: FirebaseError: AppCheck: ReCAPTCHA error
I implemented the App Check reCAPTCHA Enterprise process in my javascript web application. I followed everything mentioned in the document. Enabled the AppCheck in the Firebase console, registered the ...
- 338