diff --git a/dags/open_access/utils.py b/dags/open_access/utils.py
index c48133b..08dfc2d 100644
--- a/dags/open_access/utils.py
+++ b/dags/open_access/utils.py
@@ -11,10 +11,12 @@
 def get_url(query, current_collection="Published+Articles"):
     url = (
         rf"https://cds.cern.ch/search?ln=en&cc={current_collection}&p={query}"
-        + rf"&apikey={os.environ.get('CDS_TOKEN')}"
         + r"&action_search=Search&op1=a&m1=a&p1=&f1=&c="
         + r"Published+Articles&c=&sf=&so=d&rm=&rg=100&sc=0&of=xm"
     )
+    token = os.environ.get("CDS_TOKEN")
+    if token:
+        url = url + rf"&apikey={token}"
     return url
 
 
@@ -26,7 +28,7 @@ def request_again_if_failed(url):
         count = count + 1
         response = requests.get(url)
     if response.status_code != 200:
-        raise DataFetchError(urls=url, status_code=response.status_code)
+        raise DataFetchError(url=url, status_code=response.status_code)
     return response
 
 
diff --git a/tests/integration/cassettes/test_golden_access_request.yaml b/tests/integration/cassettes/test_golden_access_request.yaml
index 4373cfe..f2fcd56 100644
--- a/tests/integration/cassettes/test_golden_access_request.yaml
+++ b/tests/integration/cassettes/test_golden_access_request.yaml
@@ -232176,14 +232176,14 @@ interactions:
       Content-Type:
       - text/xml
       Date:
-      - Wed, 24 Apr 2024 13:12:05 GMT
+      - Wed, 24 Apr 2024 14:02:34 GMT
       Keep-Alive:
       - timeout=15, max=100
       Server:
       - Apache
       Set-Cookie:
       - INVENIOSESSIONstub=NO; path=/; HttpOnly
-      - INVENIOSESSION=badac70fc6cd1f407831c2b028855c3b; path=/; HttpOnly
+      - INVENIOSESSION=0004ca7f17e1bfd2576d05a17149cebe; path=/; HttpOnly
       Transfer-Encoding:
       - chunked
       Vary:
@@ -464370,14 +464370,14 @@ interactions:
       Content-Type:
       - text/xml
       Date:
-      - Wed, 24 Apr 2024 13:12:10 GMT
+      - Wed, 24 Apr 2024 14:02:52 GMT
       Keep-Alive:
       - timeout=15, max=100
       Server:
       - Apache
       Set-Cookie:
       - INVENIOSESSIONstub=NO; path=/; HttpOnly
-      - INVENIOSESSION=e12769bfe459ea264bdf0425d886b744; path=/; HttpOnly
+      - INVENIOSESSION=c86db7441827e64ff96bc960c2e5b2ab; path=/; HttpOnly
       Transfer-Encoding:
       - chunked
       Vary:
@@ -530753,14 +530753,14 @@ interactions:
       Content-Type:
       - text/xml
       Date:
-      - Wed, 24 Apr 2024 13:12:17 GMT
+      - Wed, 24 Apr 2024 14:02:57 GMT
       Keep-Alive:
       - timeout=15, max=100
       Server:
       - Apache
       Set-Cookie:
       - INVENIOSESSIONstub=NO; path=/; HttpOnly
-      - INVENIOSESSION=5cdab080f5e53348a3d3f987678e653c; path=/; HttpOnly
+      - INVENIOSESSION=0c291b6e84acd207bc8431d4bf6604ec; path=/; HttpOnly
       Transfer-Encoding:
       - chunked
       Vary: