diff --git a/kingfisher_scrapy/extensions/kingfisher_process_api2.py b/kingfisher_scrapy/extensions/kingfisher_process_api2.py
index b406473c..700d6c47 100644
--- a/kingfisher_scrapy/extensions/kingfisher_process_api2.py
+++ b/kingfisher_scrapy/extensions/kingfisher_process_api2.py
@@ -50,6 +50,8 @@ class KingfisherProcessAPI2:
        This extension ignores items generated by the :ref:`pluck` command.
     """
 
+    base_url = "/api/collections"
+
     def __init__(self, url, stats, rabbit_url, rabbit_exchange_name, rabbit_routing_key):
         self.url = url
         self.stats = stats
@@ -93,16 +95,19 @@ def spider_opened(self, spider):
             'source_id': spider.name,
             'data_version': spider.get_start_time('%Y-%m-%d %H:%M:%S'),
             'sample': bool(spider.sample),
-            'note': spider.kingfisher_process_note,
-            'job': getattr(spider, '_job', None),
             'upgrade': spider.ocds_version == '1.0',
         }
 
+        if spider.kingfisher_process_note:
+            data['note'] = spider.kingfisher_process_note
+        if getattr(spider, '_job', None):
+            data['job'] = getattr(spider, '_job', None)
+
         for step in spider.kingfisher_process_steps:
             data[step] = True
 
         # This request must be synchronous, to have the collection ID for the item_scraped handler.
-        response = self._post_synchronous(spider, 'api/v1/create_collection', data)
+        response = self._post_synchronous(spider, f"{self.base_url}/", data)
 
         if response.ok:
             from twisted.internet import reactor
@@ -139,8 +144,7 @@ def spider_closed(self, spider, reason):
         if spider.pluck or spider.kingfisher_process_keep_collection_open:
             return
 
-        response = self._post_synchronous(spider, 'api/v1/close_collection', {
-            'collection_id': self.collection_id,
+        response = self._post_synchronous(spider, f'{self.base_url}/{self.collection_id}/close/', {
             'reason': reason,
             'stats': json.loads(json.dumps(self.stats.get_stats(), default=str))  # for datetime objects
         })
diff --git a/tests/extensions/test_kingfisher_process_api2.py b/tests/extensions/test_kingfisher_process_api2.py
index ff7d86d6..96f40e72 100644
--- a/tests/extensions/test_kingfisher_process_api2.py
+++ b/tests/extensions/test_kingfisher_process_api2.py
@@ -177,10 +177,14 @@ def test_spider_opened(
     expected = {
         'source_id': 'test',
         'sample': is_sample,
-        'note': note,
-        'job': job,
         'upgrade': upgrade,
     }
+
+    if note:
+        expected['note'] = note
+    if job:
+        expected['job'] = job
+
     for step in expected_steps:
         expected[step] = True
 
@@ -189,7 +193,7 @@ def test_spider_opened(
     assert mock.call_count == call_count
 
     data_version = calls[0].args[2].pop('data_version')
-    assert calls[0].args[1:] == ('api/v1/create_collection', expected)
+    assert calls[0].args[1:] == (f'{KingfisherProcessAPI2.base_url}/', expected)
 
     if crawl_time:
         assert data_version == '2020-01-01 00:00:00'
@@ -198,7 +202,7 @@ def test_spider_opened(
 
     if call_count == 2:
         calls[1].args[2].pop('stats')  # pop() ensures its presence
-        assert calls[1].args[1:] == ('api/v1/close_collection', {'collection_id': 1, 'reason': 'finished'})
+        assert calls[1].args[1:] == (f'{KingfisherProcessAPI2.base_url}/1/close/', {'reason': 'finished'})
 
     for levelname, message in messages:
         assert any(r.name == 'test' and r.levelname == levelname and r.message == message for r in caplog.records)
@@ -208,7 +212,7 @@ def test_spider_opened(
 @pytest_twisted.inlineCallbacks
 def test_spider_closed_error(tmpdir, caplog):
     # We can't mock disconnect_and_join(), etc. as it must run to isolate tests. That said, if the tests run, then
-    # we know the connection is closed and and the thread is terminated.
+    # we know the connection is closed and the thread is terminated.
 
     create_response = Response(status_code=200, content={'collection_id': 1})
     close_response = Response(status_code=500)  # error
@@ -225,7 +229,7 @@ def test_spider_closed_error(tmpdir, caplog):
     assert mock.call_count == 2
 
     calls[1].args[2].pop('stats')  # pop() ensures its presence
-    assert calls[1].args[1:] == ('api/v1/close_collection', {'collection_id': 1, 'reason': 'finished'})
+    assert calls[1].args[1:] == (f'{KingfisherProcessAPI2.base_url}/1/close/', {'reason': 'finished'})
 
     assert any(
         r.name == 'test' and r.levelname == 'ERROR' and r.message == 'Failed to close collection: HTTP 500 (null) ({})'