firebase-cloud-messaging Sending Downstream Messages using Postman


To do this in Postman, you simply have to set the following:

  1. Set request type to POST
  2. In the Headers, set the following:
  3. Set the payload parameters in the Body (in this example, we used the raw option, see screenshot (2))
  4. Send the request to


(1) enter image description here

Note: Always keep your Server Key a secret. Only a portion of my key is visible here so it should be fine.

(2) enter image description here

(3) enter image description here

Notice that the request was a success with the message_id in the response.