Add a SHA1 hash header to the FCM request#93
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moons-14 wants to merge 1 commit intoleonboe1:mainfrom
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Feb 15, 2026
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Changes are needed to restore functionality.
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This change is to circumvent the Error API_KEY_ANDROID_APP_BLOCKED issue.
It appears Google has added SHA1 restrictions for Firebase authentication. This error can be avoided by adding the following headers to the request within
fcmregister.py:X-Android-Package:com.google.android.apps.adm(Package ID)X-Android-Cert:38918a453d07199354f8b19af05ec6562ced5788(SHA1 hash of APK certificate fingerprints)The SHA1 hash can be confirmed from pages like the following:
https://www.apkmirror.com/apk/google-inc/find-my-device/googles-find-hub-find-my-device-3-1-485-2-release/googles-find-hub-find-my-device-3-1-485-2-2-android-apk-download/#safeDownload