diff --git a/src/ohmyapi/core/runtime.py b/src/ohmyapi/core/runtime.py
index e1ed344..d07fd3f 100644
--- a/src/ohmyapi/core/runtime.py
+++ b/src/ohmyapi/core/runtime.py
@@ -2,10 +2,11 @@
 import copy
 import importlib
 import importlib.util
+import json
 import pkgutil
 import sys
 from pathlib import Path
-from typing import Dict, List, Optional
+from typing import Any, Dict, Generator, List, Optional
 
 import click
 from aerich import Command as AerichCommand
@@ -218,28 +219,39 @@ class App:
             pass
 
     def __repr__(self):
-        out = ""
-        out += f"App: {self.name}\n"
-        out += f"Models:\n"
-        for model in self.models:
-            out += f" - {model.__name__}\n"
-        out += "Routes:\n"
-        for route in (self.routes or []):
-            out += f" - {route}\n"
-        return out
+        return json.dumps(self.dict(), indent=2)
 
     def __str__(self):
         return self.__repr__()
 
+    def _serialize_route(self, route):
+        """Convert APIRoute to JSON-serializable dict."""
+        return {
+            "path": route.path,
+            "name": route.name,
+            "methods": list(route.methods),
+            "endpoint": route.endpoint.__name__,  # just the function name
+            "response_model": getattr(route, "response_model", None).__name__
+                              if getattr(route, "response_model", None) else None,
+            "tags": getattr(route, "tags", None),
+        }
+
+    def _serialize_router(self):
+        return [self._serialize_route(route) for route in self.routes]
+
+    def dict(self) -> Dict[str, Any]:
+        return {
+            'models': [m.__name__ for m in self.models],
+            'routes': self._serialize_router(),
+        }
+
     @property
-    def models(self) -> List[Model]:
-        models: List[Model] = []
+    def models(self) -> Generator[Model, None, None]:
         for mod in self.model_modules:
             models_mod = importlib.import_module(mod)
             for obj in models_mod.__dict__.values():
                 if isinstance(obj, type) and getattr(obj, "_meta", None) is not None and obj.__name__ != 'Model':
-                    models.append(obj)
-        return models
+                    yield obj
 
     @property
     def routes(self):