diff --git a/src/lib/metrics.ts b/src/lib/metrics.ts
index 7a448ed5a8..98225f49ff 100644
--- a/src/lib/metrics.ts
+++ b/src/lib/metrics.ts
@@ -355,6 +355,15 @@ export default class MetricsMonitor {
                 rateLimits
                     .labels({ endpoint: '/auth/simple', method: 'POST' })
                     .set(config.rateLimiting.simpleLoginMaxPerMinute);
+                rateLimits
+                    .labels({
+                        endpoint: '/api/incoming-webhook/:name',
+                        method: 'POST',
+                    })
+                    .set(
+                        config.rateLimiting.callIncomingWebhookMaxPerSecond *
+                            60,
+                    );
             } catch (e) {}
         }