diff --git a/README.md b/README.md
index c69d3a4..f2dcc98 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,8 @@ Initially designed to run directly on a raspberry pi, it has been containerized
 podman or docker!
 
 Additionally, this can be run without the frontend in case you just wanted a slightly more sane way to query MTA's data
-sources compared to their stock APIs.
+sources compared to their stock APIs.  Swagger is hosted at /swagger
+![swagger.png](attachments/swagger.png)
 
 ## Features
 
@@ -46,9 +47,10 @@ The application will be available at `http://localhost:8000`
 
 ### Environment Variables
 
-| Variable          | Description                     | Default | Required |
-|-------------------|---------------------------------|---------|----------|
-| `FRONTEND_ENABLE` | Enable/disable the web frontend | `true`  | No       |
+| Variable          | Description                                                | Default | Required |
+|-------------------|------------------------------------------------------------|---------|----------|
+| `FRONTEND_ENABLE` | Enable/disable the web frontend                            | `true`  | No       |
+| `SHOW_SWAGGER`    | Enable/disable Swagger API documentation at `/swagger`     | `false` | No       |
 
 ### Running with Docker Compose
 
diff --git a/attachments/swagger.png b/attachments/swagger.png
new file mode 100644
index 0000000..19be9f4
Binary files /dev/null and b/attachments/swagger.png differ
diff --git a/main.py b/main.py
index 514f05c..967d351 100644
--- a/main.py
+++ b/main.py
@@ -15,7 +15,15 @@ from mta_sign_server.config.router import router as config_router
 
 load_dotenv()
 
-app = FastAPI()
+# Setup Swagger documentation
+show_swagger = os.getenv("SHOW_SWAGGER", "false").lower() in ("true", "1", "yes")
+swagger_config = {
+    "docs_url": "/swagger" if show_swagger else None,
+    "redoc_url": None,
+    "openapi_url": "/openapi.json" if show_swagger else None,
+}
+
+app = FastAPI(**swagger_config)
 app.add_middleware(
     CORSMiddleware,
     allow_origins=['*']
@@ -49,6 +57,10 @@ if frontend_enabled and static_dir.exists():
     @app.get("/{path:path}")
     async def serve_spa(path: str):
         """Serve static files or fall back to index.html for SPA routing"""
+        # Exclude API and documentation routes from SPA fallback
+        if path.startswith(("api/", "swagger", "openapi", "redoc", "docs")):
+            return {"error": "Not found"}
+
         file_path = static_dir / path
         if file_path.exists() and file_path.is_file():
             return FileResponse(file_path)