diff --git a/.gitignore b/.gitignore
index bfd8bda..1e0f511 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-app/__pycache__
+*/__pycache__
 Design.org
diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/constants.py b/app/constants.py
index 9d13124..1e1f1d2 100644
--- a/app/constants.py
+++ b/app/constants.py
@@ -1,6 +1,11 @@
 datasets = [
-    "coronavirus-commercants-parisiens-livraison-a-domicile"
-    "deconfinement-pistes-cyclables-temporaires"
-    "deconfinement-paking-relais-doublement-des-places"
+    "coronavirus-commercants-parisiens-livraison-a-domicile",
+    "deconfinement-pistes-cyclables-temporaires",
+    "deconfinement-parking-relais-doublement-des-places",
 ]
-url = "https://opendata.paris.fr/api/v2/catalog/datasets/{}/exports/json?rows=-1&pretty=false&timezone=UTC"
+url = "https://opendata.paris.fr/api/records/1.0/search/?dataset={}&q=&rows=-1"
+filenames = {
+    "coronavirus-commercants-parisiens-livraison-a-domicile": "home-delivery",
+    "deconfinement-pistes-cyclables-temporaires": "cycling-paths",
+    "deconfinement-parking-relais-doublement-des-places": "relay-parking",
+}
diff --git a/app/request_datasets.py b/app/request_datasets.py
index 38e85d8..927cdab 100644
--- a/app/request_datasets.py
+++ b/app/request_datasets.py
@@ -1,22 +1,28 @@
 from constants import datasets, url
 from requests import get
-from json import dump
+from constants import datasets, url, filenames
+from requests import get, codes
+from json import dump, dumps
 
 
-def save_json(data):
-    with open("cycling-paths.json", "w") as f:
+def save_json(data, filename):
+    data_dir = "../data/"
+    with open(data_dir + filename + ".json", "w") as f:
         dump(data, f, ensure_ascii=False)
 
 
-def request_dataset(url):
-    request = get(url)
-    data = request.json()
-    save_json(data)
+def request_dataset(url, filename):
+    response = get(url)
+    response.raise_for_status()
+    data = response.json()
+    save_json(data, filename)
 
 
-def main():
-    url.format("deconfinement-pistes-cyclables-temporaires")
+def format_url():
+    for set in datasets:
+        link = url.format(set)
+        request_dataset(link, filenames[set])
 
 
 if __name__ == "__main__":
-    main()
+    format_url()
diff --git a/data/.keep b/data/.keep
new file mode 100644
index 0000000..e69de29