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Support of Azure Notification Hubs’ Firebase Cloud Messaging (FCM) legacy API will be deprecated by July 2024.



_**Firebase Cloud Messaging (FCM) is a service that, among other things, facilitates developers sending push notifications to Google Play supported Android devices.**_ ANH previously communicated with FCM using the Legacy HTTP protocol. FCM v1 is an updated API that offers more features and capabilities. Google will stop supporting FCM legacy HTTP on June 20, 2024\. All customers must migrate your applications and notification payloads to the new format (FCM v1) before then. The Firebase Cloud Messaging (FCM) legacy API will be deprecated by July 2024\. ## **Required action** ## To minimize impact, [follow the steps to migrate to FCM v1]( before 1 June 2024\. ## **Help and Support** If you have questions, post your questions as comments at Microsoft Q&A: <>. If you have a support plan and you need technical help, please create a [support request]( 1. Under Issue type, select Technical. 1. Under Subscription, select your subscription. 1. Under Service, select My services, then Notification Hub 1. Under Summary, type a description of your issue. 1. Under Problem type, Issues with Devices or Notifications 1. Under Problem subtype, select the appropriate problem for your scenario * Retirements