diff --git a/ads/config.py b/ads/config.py
index 7d23149..97b2a28 100644
--- a/ads/config.py
+++ b/ads/config.py
@@ -5,10 +5,10 @@
 
 # API urls
 ADSWS_API_URL = 'https://api.adsabs.harvard.edu/v1'
-SEARCH_URL = '{}/search/query/'.format(ADSWS_API_URL)
-BIGQUERY_URL = '{}/search/bigquery/'.format(ADSWS_API_URL)
-METRICS_URL = '{}/metrics/'.format(ADSWS_API_URL)
-EXPORT_URL = '{}/export/'.format(ADSWS_API_URL)
+SEARCH_URL = '{}/search/query'.format(ADSWS_API_URL)
+BIGQUERY_URL = '{}/search/bigquery'.format(ADSWS_API_URL)
+METRICS_URL = '{}/metrics'.format(ADSWS_API_URL)
+EXPORT_URL = '{}/export'.format(ADSWS_API_URL)
 
 # Token discovery variables
 TOKEN_FILES = list(map(os.path.expanduser,