这可能有帮助- https://firebase.google.com/docs/cloud-messaging/http-server-ref 您可以在此处找到示例消息- https://firebase.google.com/docs/cloud -消息传送/下游

从Firebase控制台，您可以获取服务器密钥作为授权，并将其放置在云消息"标签中的http标头中.

Is it possible to send push notification with REST API on Firebase? I can send notifications with Firebase console but i need to send notifications with REST API.

this may help - https://firebase.google.com/docs/cloud-messaging/http-server-ref where sample message you can find here - https://firebase.google.com/docs/cloud-messaging/downstream

from Firebase console you can get Server Key as an authorization you put in the http header, in the tab Cloud messaging.