diff --git a/endpoints/web.py b/endpoints/web.py
index bb8c1a0a2..7727c8116 100644
--- a/endpoints/web.py
+++ b/endpoints/web.py
@@ -12,7 +12,7 @@ from flask.ext.login import current_user
 import features
 
 from app import (app, billing as stripe, build_logs, avatar, signer, log_archive, config_provider,
-                 get_app_url)
+                 get_app_url, instance_keys)
 from auth import scopes
 from auth.auth import require_session_login, process_oauth, has_basic_auth, process_auth_or_cookie
 from auth.permissions import (AdministerOrganizationPermission, ReadRepositoryPermission,
@@ -234,7 +234,7 @@ def privacy():
 @web.route('/health/instance', methods=['GET'])
 @no_cache
 def instance_health():
-  checker = get_healthchecker(app, config_provider)
+  checker = get_healthchecker(app, config_provider, instance_keys)
   (data, status_code) = checker.check_instance()
   response = jsonify(dict(data=data, status_code=status_code))
   response.status_code = status_code
@@ -246,7 +246,7 @@ def instance_health():
 @web.route('/health/endtoend', methods=['GET'])
 @no_cache
 def endtoend_health():
-  checker = get_healthchecker(app, config_provider)
+  checker = get_healthchecker(app, config_provider, instance_keys)
   (data, status_code) = checker.check_endtoend()
   response = jsonify(dict(data=data, status_code=status_code))
   response.status_code = status_code
diff --git a/health/healthcheck.py b/health/healthcheck.py
index bd0ff0703..87a5845ae 100644
--- a/health/healthcheck.py
+++ b/health/healthcheck.py
@@ -4,15 +4,16 @@ from health.services import check_all_services
 
 logger = logging.getLogger(__name__)
 
-def get_healthchecker(app, config_provider):
+def get_healthchecker(app, config_provider, instance_keys):
   """ Returns a HealthCheck instance for the given app. """
-  return HealthCheck.get_checker(app, config_provider)
+  return HealthCheck.get_checker(app, config_provider, instance_keys)
 
 
 class HealthCheck(object):
-  def __init__(self, app, config_provider, instance_skips=None):
+  def __init__(self, app, config_provider, instance_keys, instance_skips=None):
     self.app = app
     self.config_provider = config_provider
+    self.instance_keys = instance_keys
     self.instance_skips = instance_skips or []
 
   def check_instance(self):
@@ -55,20 +56,21 @@ class HealthCheck(object):
       'services': service_statuses,
       'notes': notes,
       'is_testing': self.app.config['TESTING'],
-      'config_provider': self.config_provider.provider_id
+      'config_provider': self.config_provider.provider_id,
+      'local_service_key_id': self.instance_keys.local_key_id,
     }
 
     return (data, 200 if is_healthy else 503)
 
 
   @classmethod
-  def get_checker(cls, app, config_provider):
+  def get_checker(cls, app, config_provider, instance_keys):
     name = app.config['HEALTH_CHECKER'][0]
     parameters = app.config['HEALTH_CHECKER'][1] or {}
 
     for subc in cls.__subclasses__():
       if name in subc.check_names():
-        return subc(app, config_provider, **parameters)
+        return subc(app, config_provider, instance_keys, **parameters)
 
     raise Exception('Unknown health check with name %s' % name)