diff --git a/temba/channels/types/firebase/tests.py b/temba/channels/types/firebase/tests.py
index 663479c376d..c56ad808ab6 100644
--- a/temba/channels/types/firebase/tests.py
+++ b/temba/channels/types/firebase/tests.py
@@ -20,7 +20,7 @@ def setUp(self):
             address="87654",
             role="SR",
             schemes=["fcm"],
-            config={"FCM_TITLE": "Title", "FCM_KEY": "87654"},
+            config={"FCM_TITLE": "Title", "FCM_CREDENTIALS_JSON": {"foo": "bar", "private_key_id": "87654"}},
         )
 
     @patch("requests.get")
@@ -34,14 +34,38 @@ def test_claim(self, mock_get):
         self.assertContains(response, url)
 
         response = self.client.post(
-            url, {"title": "FCM Channel", "address": "abcde12345", "send_notification": "True"}, follow=True
+            url,
+            {
+                "title": "FCM Channel",
+                "authentication_json": '"foo" "bar", "baz": "abc", "private_key_id": "abcde12345"}',
+                "send_notification": "True",
+            },
+            follow=True,
+        )
+        self.assertFormError(
+            response.context["form"], None, "Invalid authentication JSON, missing private_key_id field"
+        )
+
+        response = self.client.post(
+            url,
+            {
+                "title": "FCM Channel",
+                "authentication_json": '{"foo": "bar", "baz": "abc", "private_key_id": "abcde12345"}',
+                "send_notification": "True",
+            },
+            follow=True,
         )
 
         channel = Channel.objects.get(address="abcde12345")
         self.assertRedirects(response, reverse("channels.channel_configuration", args=[channel.uuid]))
         self.assertEqual(channel.channel_type, "FCM")
         self.assertEqual(
-            channel.config, {"FCM_KEY": "abcde12345", "FCM_TITLE": "FCM Channel", "FCM_NOTIFICATION": True}
+            channel.config,
+            {
+                "FCM_CREDENTIALS_JSON": {"foo": "bar", "baz": "abc", "private_key_id": "abcde12345"},
+                "FCM_TITLE": "FCM Channel",
+                "FCM_NOTIFICATION": True,
+            },
         )
 
         response = self.client.get(reverse("channels.channel_configuration", args=[channel.uuid]))
diff --git a/temba/channels/types/firebase/views.py b/temba/channels/types/firebase/views.py
index f54dc34c880..6934104426a 100644
--- a/temba/channels/types/firebase/views.py
+++ b/temba/channels/types/firebase/views.py
@@ -3,6 +3,8 @@
 from django import forms
 from django.utils.translation import gettext_lazy as _
 
+from temba.utils.fields import InputWidget
+
 from ...models import Channel
 from ...views import ClaimViewMixin
 
@@ -10,8 +12,11 @@
 class ClaimView(ClaimViewMixin, SmartFormView):
     class Form(ClaimViewMixin.Form):
         title = forms.CharField(label=_("Notification Title"))
-        address = forms.CharField(
-            label=_("FCM Key"), help_text=_("The key provided on the the Firebase Console when you created your app.")
+
+        authentication_json = forms.JSONField(
+            widget=InputWidget({"textarea": True}),
+            help_text=_("Copy the FCM authentication JSON file content to this field"),
+            initial={},
         )
         send_notification = forms.CharField(
             label=_("Send notification"),
@@ -20,12 +25,23 @@ class Form(ClaimViewMixin.Form):
             widget=forms.CheckboxInput(),
         )
 
+        def clean(self):
+            authentication_json = self.cleaned_data.get("authentication_json", {})
+
+            self.cleaned_data["address"] = authentication_json.get("private_key_id", "")
+
+            if not authentication_json or not self.cleaned_data["address"]:
+                raise forms.ValidationError(_("Invalid authentication JSON, missing private_key_id field"))
+
+            return super().clean()
+
     form_class = Form
 
     def form_valid(self, form):
         title = form.cleaned_data.get("title")
+        authentication_json = form.cleaned_data.get("authentication_json")
         address = form.cleaned_data.get("address")
-        config = {"FCM_TITLE": title, "FCM_KEY": address}
+        config = {"FCM_TITLE": title, "FCM_CREDENTIALS_JSON": authentication_json}
 
         if form.cleaned_data.get("send_notification") == "True":
             config["FCM_NOTIFICATION"] = True