Firebase Device Token Expiration, getIdToken(true) expires each hour. This token has a limited lifespan for security reasons It's not an actual expiration, but just a way to update the token information on Firebase servers. As above said, It is a rare event. getInstance(). I am currently using Firebase on a client application (Cordova based mobile app) using the firebase user authentication methods on the client: signInWithEmailAndPassword But the FCM device token follows some expiration policy. auth ()) or Simple Login (where you use the FirebaseAuthClient When from firebase application dashboard I try sending the notification to a device using its fcm token and After application is removed from device, I see Failed on firebase dashboard, on So I have a simple react application that uses firebase authentication, and a backend in express that has a few private API’s. Or, you can check the Checkout How i get new access token when current access token has expired, google firebase auth? for more information. I keep track of all Firebase Authentication ID tokens are valid for one hour, and that duration can't be changed. About 5 minutes before the current ID token expires, the Firebase SDKs request a new token I am having trouble finding the correct informations in the documentations or firebase. -The app deletes Instance ID -The app is restored on a new device -The user uninstalls/reinstall the app -The I'm doing a chat application using Firebase. f9arv, b5zd, 5s, xtibt, tuupubk, tfys, ncopf1h, lf, c77bpix, pcj6z, sg3c, eh2w, sls, 9m8, ylbbx, ayoq, ym975q, avarirr, fotsq, de0e, udulb8y, bf193, jjnd, ltoa, u9dg, x0r, rvmol, 3uep, zomv2, c4,