diff --git a/swh/web/metrics/prometheus.py b/swh/web/metrics/prometheus.py
--- a/swh/web/metrics/prometheus.py
+++ b/swh/web/metrics/prometheus.py
@@ -21,6 +21,7 @@
     SaveOriginRequest,
 )
 from swh.web.save_code_now.origin_save import get_savable_visit_types
+from swh.web.save_origin_webhooks.generic_receiver import SUPPORTED_FORGE_TYPES
 
 SWH_WEB_METRICS_REGISTRY = CollectorRegistry(auto_describe=True)
 
@@ -33,6 +34,17 @@
     registry=SWH_WEB_METRICS_REGISTRY,
 )
 
+SUBMITTED_SAVE_REQUESTS_FROM_WEBHOOKS_METRIC = (
+    "swh_web_submitted_save_requests_from_webhooks"
+)
+
+_submitted_save_requests_from_webhooks_gauge = Gauge(
+    name=SUBMITTED_SAVE_REQUESTS_FROM_WEBHOOKS_METRIC,
+    documentation="Number of submitted origin save requests through forge webhook receivers",
+    labelnames=["status", "webhook_origin"],
+    registry=SWH_WEB_METRICS_REGISTRY,
+)
+
 
 ACCEPTED_SAVE_REQUESTS_METRIC = "swh_web_accepted_save_requests"
 
@@ -88,6 +100,11 @@
     for labels in labels_set:
         _submitted_save_requests_gauge.labels(*labels).set(0)
 
+    labels_set = product(request_statuses, SUPPORTED_FORGE_TYPES)
+
+    for labels in labels_set:
+        _submitted_save_requests_from_webhooks_gauge.labels(*labels).set(0)
+
     labels_set = product(load_task_statuses, visit_types)
 
     for labels in labels_set:
@@ -112,6 +129,12 @@
             status=sor.status, visit_type=sor.visit_type
         ).inc()
 
+        if sor.from_webhook:
+            _submitted_save_requests_from_webhooks_gauge.labels(
+                status=sor.status,
+                webhook_origin=sor.webhook_origin,
+            ).inc()
+
         if (
             sor.loading_task_status in (SAVE_TASK_SUCCEEDED, SAVE_TASK_FAILED)
             and sor.visit_date is not None
diff --git a/swh/web/metrics/tests/test_metrics.py b/swh/web/metrics/tests/test_metrics.py
--- a/swh/web/metrics/tests/test_metrics.py
+++ b/swh/web/metrics/tests/test_metrics.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2019-2021  The Software Heritage developers
+# Copyright (C) 2019-2022  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU Affero General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -13,6 +13,7 @@
 from swh.web.metrics.prometheus import (
     ACCEPTED_SAVE_REQUESTS_DELAY_METRIC,
     ACCEPTED_SAVE_REQUESTS_METRIC,
+    SUBMITTED_SAVE_REQUESTS_FROM_WEBHOOKS_METRIC,
     SUBMITTED_SAVE_REQUESTS_METRIC,
     get_savable_visit_types,
 )
@@ -28,6 +29,7 @@
     SAVE_TASK_SUCCEEDED,
     SaveOriginRequest,
 )
+from swh.web.save_origin_webhooks.generic_receiver import SUPPORTED_FORGE_TYPES
 from swh.web.tests.django_asserts import assert_contains
 from swh.web.tests.helpers import check_http_get_response
 from swh.web.utils import reverse
@@ -51,16 +53,23 @@
         SAVE_TASK_RUNNING,
     )
 
-    for _ in range(random.randint(50, 100)):
+    supported_forge_types = list(SUPPORTED_FORGE_TYPES)
+
+    for i in range(random.randint(50, 100)):
         visit_type = random.choice(visit_types)
         request_satus = random.choice(request_statuses)
         load_task_status = random.choice(load_task_statuses)
+        from_webhook = i % 2 == 0
 
         sor = SaveOriginRequest.objects.create(
             origin_url="origin",
             visit_type=visit_type,
             status=request_satus,
             loading_task_status=load_task_status,
+            from_webhook=from_webhook,
+            webhook_origin=random.choice(supported_forge_types)
+            if from_webhook
+            else None,
         )
 
         if load_task_status in (SAVE_TASK_SUCCEEDED, SAVE_TASK_FAILED):
@@ -106,6 +115,20 @@
 
         assert_contains(resp, metric_text)
 
+    labels_set = product(request_statuses, SUPPORTED_FORGE_TYPES)
+    for labels in labels_set:
+        sor_count = SaveOriginRequest.objects.filter(
+            status=labels[0], webhook_origin=labels[1]
+        ).count()
+
+        metric_text = (
+            f"{SUBMITTED_SAVE_REQUESTS_FROM_WEBHOOKS_METRIC}{{"
+            f'status="{labels[0]}",'
+            f'webhook_origin="{labels[1]}"}} {float(sor_count)}\n'
+        )
+
+        assert_contains(resp, metric_text)
+
     # delay metrics
 
     save_requests = SaveOriginRequest.objects.all()