Firebase send message for multiple devices using postman +flutter example

This tutorial on firebase send FCM message for multiple devices using postman. Example that I have created using flutter application. Don't miss my first tutorial where I have describe how to send the cloud message for single device.

[rubendemossenau]

Mate i must say thank you very much for this tutorial. If i hadn't found you i wouldn't have this features in my app.

[MrBrunocaldeira]

Oi amigo eu estava usando igual ao modelo do vídeo, porém houve uma atualização que a api legada foi desabilitada, poderia me ajudar a atualizar o código php para que eu possa enviar as notificações pelo PHP

[hah]

is there an updated one? im so sad thats deprecated

[asafeeskavron]

How can I send to users based on their operating system? For instance, in Firebase Messaging, there's the option of topics and the user option, where I can select all those on Android and all those on iOS. How can I achieve this via API as well?

[elmurodjonabdullajonov]

thank you! this tutorial helped me a lot

[ndndjdwn]

without subscribe and without using token how to send Firebase send message for multiple devices

[logcatacademy]

rightnow it gives error "error": "InvalidRegistration"

[SanchayGaurav]

hey bro i make api push notification i don't have any device how can i check it .please explain to me brother! i am totally fresutated now please msg brother