diff --git a/src/sentry/api/urls.py b/src/sentry/api/urls.py
index 7f520600067c81..a53b9cad20f186 100644
--- a/src/sentry/api/urls.py
+++ b/src/sentry/api/urls.py
@@ -2055,7 +2055,7 @@ def create_group_urls(name_prefix: str) -> list[URLPattern | URLResolver]:
         name="sentry-api-0-organization-monitor-details",
     ),
     re_path(
-        r"^(?P<organization_id_or_slug>[^/]+)/monitors/(?P<monitor_id_or_slug>[^/]+)/environments/(?P<environment>[^/]+)$",
+        r"^(?P<organization_id_or_slug>[^/]+)/monitors/(?P<monitor_id_or_slug>[^/]+)/environments/(?P<environment>[^/]+)/$",
         OrganizationMonitorEnvironmentDetailsEndpoint.as_view(),
         name="sentry-api-0-organization-monitor-environment-details",
     ),
@@ -3171,7 +3171,7 @@ def create_group_urls(name_prefix: str) -> list[URLPattern | URLResolver]:
         name="sentry-api-0-project-monitor-check-in-index",
     ),
     re_path(
-        r"^(?P<organization_id_or_slug>[^/]+)/(?P<project_id_or_slug>[^/]+)/monitors/(?P<monitor_id_or_slug>[^/]+)/environments/(?P<environment>[^/]+)$",
+        r"^(?P<organization_id_or_slug>[^/]+)/(?P<project_id_or_slug>[^/]+)/monitors/(?P<monitor_id_or_slug>[^/]+)/environments/(?P<environment>[^/]+)/$",
         ProjectMonitorEnvironmentDetailsEndpoint.as_view(),
         name="sentry-api-0-project-monitor-environment-details",
     ),
diff --git a/static/app/utils/api/knownSentryApiUrls.generated.ts b/static/app/utils/api/knownSentryApiUrls.generated.ts
index cead50a1782542..ed54894059d59d 100644
--- a/static/app/utils/api/knownSentryApiUrls.generated.ts
+++ b/static/app/utils/api/knownSentryApiUrls.generated.ts
@@ -447,7 +447,7 @@ export type KnownSentryApiUrls =
   | '/organizations/$organizationIdOrSlug/monitors/'
   | '/organizations/$organizationIdOrSlug/monitors/$monitorIdOrSlug/'
   | '/organizations/$organizationIdOrSlug/monitors/$monitorIdOrSlug/checkins/'
-  | '/organizations/$organizationIdOrSlug/monitors/$monitorIdOrSlug/environments/$environment'
+  | '/organizations/$organizationIdOrSlug/monitors/$monitorIdOrSlug/environments/$environment/'
   | '/organizations/$organizationIdOrSlug/monitors/$monitorIdOrSlug/stats/'
   | '/organizations/$organizationIdOrSlug/notifications/actions/'
   | '/organizations/$organizationIdOrSlug/notifications/actions/$actionId/'
@@ -630,7 +630,7 @@ export type KnownSentryApiUrls =
   | '/projects/$organizationIdOrSlug/$projectIdOrSlug/members/'
   | '/projects/$organizationIdOrSlug/$projectIdOrSlug/monitors/$monitorIdOrSlug/'
   | '/projects/$organizationIdOrSlug/$projectIdOrSlug/monitors/$monitorIdOrSlug/checkins/'
-  | '/projects/$organizationIdOrSlug/$projectIdOrSlug/monitors/$monitorIdOrSlug/environments/$environment'
+  | '/projects/$organizationIdOrSlug/$projectIdOrSlug/monitors/$monitorIdOrSlug/environments/$environment/'
   | '/projects/$organizationIdOrSlug/$projectIdOrSlug/monitors/$monitorIdOrSlug/processing-errors/'
   | '/projects/$organizationIdOrSlug/$projectIdOrSlug/monitors/$monitorIdOrSlug/stats/'
   | '/projects/$organizationIdOrSlug/$projectIdOrSlug/overview/'