Sending Push via Postman using Firebase Messaging

Question

I\'m trying to use Postman to send a single Push Notification using Firebase Cloud Messaging service.

This is a working cURL command for th

Answer 1

The correct way to set up Authorization key at Header is

key=<API_ACCESS_KEY>

and not only

<API_ACCESS_KEY>

Silly mistake, but since this could be useful for someone for testing Firebase Messaging with Postman I'm leaving the question opened.

Answer 2

Posting FCM through POSTMAN

Body - to is token id (should be generated through instance token) write body in raw binary application/json

{
   "to": "cpa8cZPjq-w:APA91bF122f1Rnhu9v47bL
   YMajaNTHAIU5SzItDwTy9o2MCIveG0PlK78VPvp3d
   CqjwnUKZ4
   ngi1trSyM3_aXttW62iknFfbPGtjRLhZr6wq-3qFdboz8gzdOGPz**********",

   "notification": {

    "body": "Hello",
    "title": "This is test message."
   }
   }

header: should have authorization :server key

Content type : application/json after posting here the success message:

Answer 3

Look at below screenshot how Authorization key is set

Authorization : **key=**abcdefghijklmnopr2qrst253uv124wxyz_9shg

Answer 4

Steps to send FCM throw Postman:

1. URL to send: https://fcm.googleapis.com/v1/projects/projectid-34543/messages:send
2. Request Type: POST
3. Headers: Content-Type -> application/json & Authorization -> Bearer
4. In the body section enter APS payload with the right device token.
5. Click send.

More information here: https://stackoverflow.com/a/62670409/1151916

Answer 5

Be sure to include the content-type : application/json header

it fails with a misleading error if you don't include the content-type header saying: Error=MissingRegistration