diff --git a/src/sentry/api/urls.py b/src/sentry/api/urls.py
index a9ce5ce97d1a0f..3ee55577ab2278 100644
--- a/src/sentry/api/urls.py
+++ b/src/sentry/api/urls.py
@@ -1349,6 +1349,7 @@
         method_dispatch(
             GET=OrganizationMonitorCheckInAttachmentEndpoint.as_view(),
             POST=MonitorIngestCheckinAttachmentEndpoint.as_view(),  # Legacy ingest endpoint
+            csrf_exempt=True,
         ),
         name="sentry-api-0-organization-monitor-check-in-attachment",
     ),