diff --git a/server/extension/Makefile b/server/extension/Makefile
index 060cc55..0acc452 100644
--- a/server/extension/Makefile
+++ b/server/extension/Makefile
@@ -13,8 +13,8 @@ OLD_VERSIONS = $(wildcard old_versions/*.sql)
 # @see http://www.postgresql.org/docs/current/static/extend-pgxs.html
 DATA =  $(NEW_EXTENSION_ARTIFACT) \
   $(OLD_VERSIONS) \
-  cdb_dataservices_server--0.7.2--0.7.3.sql \
-  cdb_dataservices_server--0.7.3--0.7.2.sql
+  cdb_dataservices_server--0.7.3--0.7.4.sql \
+  cdb_dataservices_server--0.7.4--0.7.3.sql
 
 REGRESS = $(notdir $(basename $(wildcard test/sql/*test.sql)))
 TEST_DIR = test/
diff --git a/server/extension/cdb_dataservices_server--0.7.3--0.7.4.sql b/server/extension/cdb_dataservices_server--0.7.3--0.7.4.sql
new file mode 100644
index 0000000..f6e12ff
--- /dev/null
+++ b/server/extension/cdb_dataservices_server--0.7.3--0.7.4.sql
@@ -0,0 +1,57 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.7.4'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_here_routing_isolines(username TEXT, orgname TEXT, type TEXT, source geometry(Geometry, 4326), mode TEXT, data_range integer[], options text[])
+RETURNS SETOF cdb_dataservices_server.isoline AS $$
+  import json
+  from cartodb_services.here import HereMapsRoutingIsoline
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.here.types import geo_polyline_to_multipolygon
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
+
+  # -- Check the quota
+  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    plpy.error('You have reached the limit of your quota')
+
+  try:
+    client = HereMapsRoutingIsoline(user_isolines_routing_config.heremaps_app_id, user_isolines_routing_config.heremaps_app_code, base_url = HereMapsRoutingIsoline.PRODUCTION_ROUTING_BASE_URL)
+
+    if source:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
+      source_str = 'geo!%f,%f' % (lat, lon)
+    else:
+      source_str = None
+
+    if type == 'isodistance':
+      resp = client.calculate_isodistance(source_str, mode, data_range, options)
+    elif type == 'isochrone':
+      resp = client.calculate_isochrone(source_str, mode, data_range, options)
+
+    if resp:
+      result = []
+      for isoline in resp:
+        data_range_n = isoline['range']
+        polyline = isoline['geom']
+        multipolygon = geo_polyline_to_multipolygon(polyline)
+        result.append([source, data_range_n, multipolygon])
+      quota_service.increment_success_service_use()
+      quota_service.increment_isolines_service_use(len(resp))
+      return result
+    else:
+      quota_service.increment_empty_service_use()
+      return []
+  except BaseException as e:
+    import sys, traceback
+    type_, value_, traceback_ = sys.exc_info()
+    quota_service.increment_failed_service_use()
+    error_msg = 'There was an error trying to obtain isodistances using here maps geocoder: {0}'.format(e)
+    plpy.notice(traceback.format_tb(traceback_))
+    plpy.error(error_msg)
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;
\ No newline at end of file
diff --git a/server/extension/cdb_dataservices_server--0.7.4--0.7.3.sql b/server/extension/cdb_dataservices_server--0.7.4--0.7.3.sql
new file mode 100644
index 0000000..274e74e
--- /dev/null
+++ b/server/extension/cdb_dataservices_server--0.7.4--0.7.3.sql
@@ -0,0 +1,56 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.7.3'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_here_routing_isolines(username TEXT, orgname TEXT, type TEXT, source geometry(Geometry, 4326), mode TEXT, data_range integer[], options text[])
+RETURNS SETOF cdb_dataservices_server.isoline AS $$
+  import json
+  from cartodb_services.here import HereMapsRoutingIsoline
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.here.types import geo_polyline_to_multipolygon
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
+
+  # -- Check the quota
+  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    plpy.error('You have reached the limit of your quota')
+
+  try:
+    client = HereMapsRoutingIsoline(user_isolines_routing_config.heremaps_app_id, user_isolines_routing_config.heremaps_app_code, base_url = HereMapsRoutingIsoline.PRODUCTION_ROUTING_BASE_URL)
+
+    if source:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
+      source_str = 'geo!%f,%f' % (lat, lon)
+    else:
+      source_str = None
+
+    if type == 'isodistance':
+      resp = client.calculate_isodistance(source_str, mode, data_range, options)
+    elif type == 'isochrone':
+      resp = client.calculate_isochrone(source_str, mode, data_range, options)
+
+    if resp:
+      result = []
+      for isoline in resp:
+        data_range_n = isoline['range']
+        polyline = isoline['geom']
+        multipolygon = geo_polyline_to_multipolygon(polyline)
+        result.append([source, data_range_n, multipolygon])
+      quota_service.increment_success_service_use()
+      quota_service.increment_isolines_service_use(len(resp))
+      return result
+    else:
+      quota_service.increment_empty_service_use()
+  except BaseException as e:
+    import sys, traceback
+    type_, value_, traceback_ = sys.exc_info()
+    quota_service.increment_failed_service_use()
+    error_msg = 'There was an error trying to obtain isodistances using here maps geocoder: {0}'.format(e)
+    plpy.notice(traceback.format_tb(traceback_))
+    plpy.error(error_msg)
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;
\ No newline at end of file
diff --git a/server/extension/cdb_dataservices_server.control b/server/extension/cdb_dataservices_server.control
index 8509b42..cc9db8e 100644
--- a/server/extension/cdb_dataservices_server.control
+++ b/server/extension/cdb_dataservices_server.control
@@ -1,5 +1,5 @@
 comment = 'CartoDB dataservices server extension'
-default_version = '0.7.3'
+default_version = '0.7.4'
 requires = 'plpythonu, plproxy, postgis, cdb_geocoder'
 superuser = true
 schema = cdb_dataservices_server
diff --git a/server/extension/cdb_dataservices_server--0.7.2--0.7.3.sql b/server/extension/old_versions/cdb_dataservices_server--0.7.2--0.7.3.sql
similarity index 100%
rename from server/extension/cdb_dataservices_server--0.7.2--0.7.3.sql
rename to server/extension/old_versions/cdb_dataservices_server--0.7.2--0.7.3.sql
diff --git a/server/extension/cdb_dataservices_server--0.7.3--0.7.2.sql b/server/extension/old_versions/cdb_dataservices_server--0.7.3--0.7.2.sql
similarity index 100%
rename from server/extension/cdb_dataservices_server--0.7.3--0.7.2.sql
rename to server/extension/old_versions/cdb_dataservices_server--0.7.3--0.7.2.sql
diff --git a/server/extension/cdb_dataservices_server--0.7.3.sql b/server/extension/old_versions/cdb_dataservices_server--0.7.3.sql
similarity index 100%
rename from server/extension/cdb_dataservices_server--0.7.3.sql
rename to server/extension/old_versions/cdb_dataservices_server--0.7.3.sql
diff --git a/server/extension/sql/80_isolines_helper.sql b/server/extension/sql/80_isolines_helper.sql
index eaa84a1..b598cf6 100644
--- a/server/extension/sql/80_isolines_helper.sql
+++ b/server/extension/sql/80_isolines_helper.sql
@@ -42,6 +42,7 @@ RETURNS SETOF cdb_dataservices_server.isoline AS $$
       return result
     else:
       quota_service.increment_empty_service_use()
+      return []
   except BaseException as e:
     import sys, traceback
     type_, value_, traceback_ = sys.exc_info()
diff --git a/server/lib/python/cartodb_services/cartodb_services/here/geocoder.py b/server/lib/python/cartodb_services/cartodb_services/here/geocoder.py
index 37bbf76..8e93316 100644
--- a/server/lib/python/cartodb_services/cartodb_services/here/geocoder.py
+++ b/server/lib/python/cartodb_services/cartodb_services/here/geocoder.py
@@ -87,6 +87,8 @@ class HereMapsGeocoder:
         response = requests.get(self.host, params=request_params)
         if response.status_code == requests.codes.ok:
             return json.loads(response.text)
+        elif response.status_code == requests.codes.bad_request:
+            return []
         else:
             response.raise_for_status()
 
diff --git a/server/lib/python/cartodb_services/cartodb_services/here/routing.py b/server/lib/python/cartodb_services/cartodb_services/here/routing.py
index 53fe101..63623b2 100644
--- a/server/lib/python/cartodb_services/cartodb_services/here/routing.py
+++ b/server/lib/python/cartodb_services/cartodb_services/here/routing.py
@@ -51,6 +51,8 @@ class HereMapsRoutingIsoline:
         response = requests.get(self._url, params=request_params)
         if response.status_code == requests.codes.ok:
             return self.__parse_isolines_response(response.text)
+        elif response.status_code == requests.codes.bad_request:
+            return []
         else:
             response.raise_for_status()
 
diff --git a/server/lib/python/cartodb_services/setup.py b/server/lib/python/cartodb_services/setup.py
index 7b23d37..5808b69 100644
--- a/server/lib/python/cartodb_services/setup.py
+++ b/server/lib/python/cartodb_services/setup.py
@@ -10,7 +10,7 @@ from setuptools import setup, find_packages
 setup(
     name='cartodb_services',
 
-    version='0.5.2',
+    version='0.5.3',
 
     description='CartoDB Services API Python Library',