diff --git a/src/runboat/api.py b/src/runboat/api.py
index f6d2b19..4bcd06a 100644
--- a/src/runboat/api.py
+++ b/src/runboat/api.py
@@ -20,6 +20,7 @@ router = APIRouter()
 class Status(BaseModel):
     deployed: int
     max_deployed: int
+    failed: int
     stopped: int
     started: int
     max_started: int
diff --git a/src/runboat/controller.py b/src/runboat/controller.py
index 18893ff..532b168 100644
--- a/src/runboat/controller.py
+++ b/src/runboat/controller.py
@@ -52,6 +52,10 @@ class Controller:
     def stopped(self) -> int:
         return self.db.count_by_status(BuildStatus.stopped)
 
+    @property
+    def failed(self) -> int:
+        return self.db.count_by_status(BuildStatus.failed)
+
     @property
     def started(self) -> int:
         return self.db.count_by_status(BuildStatus.started)