fcm-http-oauth

Generate oauth key using your service account for authorizing requests to FCM app server

Create Service Account

In your firebase project, under project settings, choose Service accounts tab.

Select Generate new private key to download your service account file.

Install Dependencies

npm install

Generate OAuth

npm run oauth <absolute_path_of_your_service_account_file>

e.g. npm run oauth C:\\firebase-adminsdk.json