diff --git a/site/api/http_client.py b/site/api/http_client.py
index 25ed9cc..79c5935 100644
--- a/site/api/http_client.py
+++ b/site/api/http_client.py
@@ -19,7 +19,7 @@ class HttpClient:
     def post(self, path, data=None, **kwargs):
         kwargs.setdefault("timeout", 30)
         url = f"{self._endpoint}{path}"
-        r = self._session.post(url, json=data, **kwargs)
+        r = self._session.post(url, json=(data if data is not None else {}), **kwargs)
         if not r.ok:
             raise Exception(f"POST {path}: {r.status_code} {r.reason}: {r.text[:200]}")
         result = {}
diff --git a/site/app.py b/site/app.py
index fce0602..f0cfc91 100644
--- a/site/app.py
+++ b/site/app.py
@@ -6,7 +6,7 @@ from routes.main import bp as main_bp
 from routes.api import bp as api_bp
 from routes.api_test import bp as api_test_bp
 
-VERSION = "1.0.31"
+VERSION = "1.0.33"
 
 app = Flask(__name__, template_folder="templates", static_folder="static")
 app.config["NUBES_API_ENDPOINT"] = os.getenv("NUBES_API_ENDPOINT", "https://lk-api-gateway-dev.ngcloud.ru/api/v1/svc")
diff --git a/site/routes/api_test.py b/site/routes/api_test.py
index 6e64302..a227f3a 100644
--- a/site/routes/api_test.py
+++ b/site/routes/api_test.py
@@ -103,6 +103,9 @@ def api_test():
                     for pid, pval in params.items():
                         client.post("/instanceOperationCfsParams",
                             {"instanceOperationUid": op_uid, "svcOperationCfsParamId": int(pid), "paramValue": str(pval)})
+                    # GET /validate-cfs, затем POST /run
+                    client.get(f"/instanceOperations/{op_uid}/validate-cfs")
+                    client.post(f"/instanceOperations/{op_uid}/run")
 
             # wait
             deadline = time.time() + 300