diff --git a/docs/source/developer/index.rst b/docs/source/developer/index.rst
index 4011212..7686ddf 100644
--- a/docs/source/developer/index.rst
+++ b/docs/source/developer/index.rst
@@ -42,7 +42,9 @@ The reference OpenAPI specifications for PDS can be found on `PDS API`_.
 Then, install OpenAPI Generator 6.5.0 (e.g. on macos with brew, see https://github.com/OpenAPITools/openapi-generator#1---installation), and run::
 
     pip install pyyaml
+    rm -fr pds test
     python src/pds/api_client/preprocess_openapi.py /Users/loubrieu/PycharmProjects/pds-api/specs/PDS_APIs-search-1.1.1-swagger.yaml --version 1.3.0
+    rm pds/__init__.py
 
 Manual step, add lines in the setup.py file:
 
@@ -74,8 +76,9 @@ PyPI Publication
 
 Try::
 
-    pip install wheel
-    python setup.py sdist bdist_wheel
+    rm -f dist/*
+    pip install build
+    python -m build .
     pip install twine
     twine upload --repository testpypi dist/*
 
diff --git a/docs/source/quickstart/index.rst b/docs/source/quickstart/index.rst
index 1814398..0a34754 100644
--- a/docs/source/quickstart/index.rst
+++ b/docs/source/quickstart/index.rst
@@ -33,6 +33,8 @@ The package releases match with the `Search API specification <https://nasa-pds.
 
    * - pds.api-client
      - pds search api specification
+   * - 1.6.X
+     - 1.5
    * - 1.5.X
      - 1.4
    * - 1.4.X
@@ -91,7 +93,7 @@ For Collections for example:
     classes = ByProductClassesApi(api_client)
 
     api_response = classes.class_list(
-        'collections',
+        'collection',
         start=0,
         limit=20,
         fields=['ops:Label_File_Info.ops:file_ref']
diff --git a/src/pds/api_client/preprocess_openapi.py b/src/pds/api_client/preprocess_openapi.py
index 818f882..c93edff 100644
--- a/src/pds/api_client/preprocess_openapi.py
+++ b/src/pds/api_client/preprocess_openapi.py
@@ -9,9 +9,11 @@ def preprocess(input: dict):
 
     new_tags_dict = {t['name']: t['name'][3:] for t in input['tags']}
     for path in input['paths'].keys():
-        tags = input['paths'][path]['get']['tags']
-        new_tags = [new_tags_dict.get(tag, tag) for tag in tags]
-        input['paths'][path]['get']['tags'] = new_tags
+        for method in ['get', 'post']:
+            if method in input['paths'][path]:
+                tags = input['paths'][path][method]['tags']
+                new_tags = [new_tags_dict.get(tag, tag) for tag in tags]
+                input['paths'][path][method]['tags'] = new_tags
 
     # remove the * object which is confusing for the api generator
     for k, r in input['components']['responses'].items():
diff --git a/src/pds/api_client/test/integration/test_collections.py b/src/pds/api_client/test/integration/test_collections.py
index 6097a64..1dba9ef 100644
--- a/src/pds/api_client/test/integration/test_collections.py
+++ b/src/pds/api_client/test/integration/test_collections.py
@@ -19,7 +19,7 @@ def setUp(self):
     def test_all_collections(self):
 
         api_response = self.product_by_class.class_list(
-            'collections',
+            'collection',
             limit=10
         )
 
@@ -38,7 +38,7 @@ def test_all_collections(self):
 
     def test_all_collections_one_property(self):
         api_response = self.product_by_class.class_list(
-            'collections',
+            'collection',
             limit=20,
             fields=['ops:Label_File_Info.ops:file_ref']
         )
diff --git a/src/pds/api_client/test/integration/test_pagination.py b/src/pds/api_client/test/integration/test_pagination.py
index 5da4f50..d268ae6 100644
--- a/src/pds/api_client/test/integration/test_pagination.py
+++ b/src/pds/api_client/test/integration/test_pagination.py
@@ -15,23 +15,23 @@ def setUp(self):
 
     def test_pages(self):
         results_1 = self.products.product_list(
-            keywords=['kernel'],
+            q='ref_lid_instrument eq "urn:nasa:pds:context:instrument:radiometer.insight"',
             sort=['ops:Harvest_Info.ops:harvest_date_time'],
-            limit=2
+            limit=3
         )
 
-        self.assertEqual(len(results_1.data), 2)  # add assertion here
+        self.assertEqual(len(results_1.data), 3)  # add assertion here
 
         latest_harvest_date_time = results_1.data[-1].properties['ops:Harvest_Info.ops:harvest_date_time'][0]
 
         results_2 = self.products.product_list(
-            keywords=['kernel'],
+            q='ref_lid_instrument eq "urn:nasa:pds:context:instrument:radiometer.insight"',
             sort=['ops:Harvest_Info.ops:harvest_date_time'],
             search_after=[latest_harvest_date_time],
-            limit=2
+            limit=3
         )
 
-        self.assertEqual(len(results_2.data), 1)
+        self.assertEqual(len(results_2.data), 3)
 
 
 if __name__ == '__main__':
diff --git a/src/pds/api_client/test/integration/test_products.py b/src/pds/api_client/test/integration/test_products.py
index 76acfae..b6bef5d 100644
--- a/src/pds/api_client/test/integration/test_products.py
+++ b/src/pds/api_client/test/integration/test_products.py
@@ -20,12 +20,12 @@ def test_get_properties(self):
         properties_dict = {p.var_property:{"type": p.type} for p in properties}
         assert '_package_id' in properties_dict.keys()
         assert 'alternate_ids' in properties_dict.keys()
-        assert 'insight:Observation_Information/insight:software_version_id' in properties_dict.keys()
+        assert 'insight:Observation_Information.insight:software_version_id' in properties_dict.keys()
         assert properties_dict['_package_id']['type'] == 'string'
         assert properties_dict['alternate_ids']['type'] == 'string'
-        assert properties_dict['insight:Observation_Information/insight:software_version_id']['type'] == 'string'
-
+        assert properties_dict['insight:Observation_Information.insight:software_version_id']['type'] == 'string'
 
+    @unittest.skip("keyword is temporarily not implemented in version 1.5.0 of the API")
     def test_products_by_keywords(self):
         results = self.products.product_list(
             keywords=['kernel']