diff --git a/app/request_datasets.py b/app/request_datasets.py
index 38e85d8..c5cbb3b 100644
--- a/app/request_datasets.py
+++ b/app/request_datasets.py
@@ -1,5 +1,5 @@
 from constants import datasets, url
-from requests import get
+from requests import get, codes
 from json import dump
 
 
@@ -10,13 +10,22 @@ def save_json(data):
 
 def request_dataset(url):
     request = get(url)
+    validate_request(request)
     data = request.json()
     save_json(data)
 
-
-def main():
-    url.format("deconfinement-pistes-cyclables-temporaires")
+    
+def validate_request(req):
+	try:
+    	req.status_code == codes.ok()
+	except Exception: 
+    	print("Error")
+
+
+def format_url():
+	for i in datasets:
+    	link = url.format(datasets[i])
+    	request_dataset(link)
+
 
 
-if __name__ == "__main__":
-    main()