- Firebase device token expiration. currentUser. Dec 14, 2017 · Firebase stores the token in a cookie, so after an hour or so, the token will expire. In general, FCM tokens can have a lifespan ranging from hours to several days. /// /// On web, a [vapidKey] is required. If you need to more accurately track Feb 1, 2017 · How can the server know if the new token is for a new device or just sent again to replace an old token? Jun 25, 2024 · Here are some key points about the lifecycle and potential expiry of FCM device tokens: Device tokens are intended to be long-lived, meaning they do not expire on a regular basis. auth (). A sample video is given below to get an idea about what we are going to do in this article. At this time, the user submits a request to the server (not knowing they have an expired token). Feb 25, 2019 · I understand that the FCM token renews itself if one of the following happens. Mar 18, 2025 · Typically, the lifespan of an FCM token is dynamic and can vary depending on the specific implementation and configuration. You generate these tokens on your server, pass them back to a client device, and then use them to authenticate via the signInWithCustomToken() method. Registration tokens are important to implement correctly for ensuring accurate message delivery data reported in the Firebase console or exported to BigQuery. You can re-use that ID token to identify the user or device on your custom backend server. The current user will only become null if the token can't be refreshed, for example if the account has been disabled on the server. getIdToken (true) // true indicates according to firebase docs to forceRefresh regardless of the current tokens expiration. Firebase SDKs automatically refresh the token after about 55 minutes, which means you usually don't have to do anything yourself. They Learn how to manage Firebase Cloud Messaging (FCM) device tokens in Amazon SNS, including detecting invalid tokens, removing stale tokens, and maintaining up-to-date device tokens for consistent push notification delivery. -The app deletes Instance ID -The app is restored on a new device -The user uninstalls/reinstall the app -The user cl Feb 13, 2025 · In our previous scripts, we focused on resolving the ACCESS_TOKEN_EXPIRED issue when connecting a Node. Sep 9, 2025 · Retrieve ID tokens on clients When a user or device successfully signs in, Firebase creates a corresponding ID token that uniquely identifies them and grants them access to several resources, such as Firebase Realtime Database and Cloud Storage. Android devices and Chrome browsers receive push notifications through a technology called Firebase Cloud Messaging (FCM). Sep 24, 2025 · FCM returns an invalid token response if a token for an Android device has expired after 270 days of inactivity, or if a client explicitly unregistered. In addition, an API to check for ID token revocation is also made available. Oct 29, 2018 · firebase. Sep 9, 2025 · The Firebase Admin SDK provides the ability to revoke refresh tokens for a specified user. You cannot change this expiration time. The server reads the token and tries to validate it, but the validation returns "expired". Implementing push notifications with FCM involves several steps. I am a former member of the Firebase team, joining before the Google-owned days when Firebase was Oct 10, 2023 · I'm trying to figure out the expiration date for the Firebase Cloud Messaging notification token. By default, only token expiration or uninstalling/reinstalling the Sep 9, 2025 · Firebase gives you complete control over authentication by allowing you to authenticate users or devices using secure JSON Web Tokens (JWTs). js application to Firebase. FCM token is Nov 5, 2018 · Demystifying Firebase Auth Tokens An overview of the Firebase client SDK authentication model. After this period, the token may expire, requiring the device to generate a new token to continue receiving push notifications. Firebase’s FCM documentation Sep 22, 2016 · ID tokens expire one hour after creation. With these Jul 23, 2025 · We will examine obtaining the device FCM token and saving it to Firebase Realtime Database in this lesson. I'm not sure why Feb 16, 2024 · Firebase Cloud Messaging (FCM) is a popular cloud solution for messages on iOS, Android, and web applications. So, as the answer's suggest, you need to validate the token each time before submitting a request. The problem occurs when Firebase’s authentication credentials . /// Returns the default FCM token for this device. Jun 15, 2020 · Firebase Authentication tokens expire an hours after they are created. I am just looking to make sure that I have wrapped my head around this. The refresh token is used to generate a new ID token every hour which allows the client SDKs to continue to work seamlessly. Under the hood, the client SDKs refresh the ID token using a long-lived token we call a refresh token. FCM expires tokens for devices that have been inactive for more than 270 days. Jun 28, 2022 · Docs say: "Firebase Cloud Messaging tokens are associated with the instance of the installed app. Apr 13, 2023 · Managing Cloud Messaging TokensIf you’re using Firebase Cloud Messaging (also known as FCM), you might know that it requires registering tokens for each device that you want to send a message to. fv2 ald ffz ia mxbh2 zfrpy kznxch xt izr dyj
