diff --git a/docs/async_data_client.rst b/docs/async_data_client/async_data_client.rst
similarity index 52%
rename from docs/async_data_client.rst
rename to docs/async_data_client/async_data_client.rst
index 7d2901de4..c5cc70740 100644
--- a/docs/async_data_client.rst
+++ b/docs/async_data_client/async_data_client.rst
@@ -1,6 +1,6 @@
 Bigtable Data Client Async
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. automodule:: google.cloud.bigtable.data._async.client
+.. autoclass:: google.cloud.bigtable.data._async.client.BigtableDataClientAsync
   :members:
   :show-inheritance:
diff --git a/docs/async_data_exceptions.rst b/docs/async_data_client/async_data_exceptions.rst
similarity index 100%
rename from docs/async_data_exceptions.rst
rename to docs/async_data_client/async_data_exceptions.rst
diff --git a/docs/async_data_mutations.rst b/docs/async_data_client/async_data_mutations.rst
similarity index 100%
rename from docs/async_data_mutations.rst
rename to docs/async_data_client/async_data_mutations.rst
diff --git a/docs/async_data_mutations_batcher.rst b/docs/async_data_client/async_data_mutations_batcher.rst
similarity index 100%
rename from docs/async_data_mutations_batcher.rst
rename to docs/async_data_client/async_data_mutations_batcher.rst
diff --git a/docs/async_data_read_modify_write_rules.rst b/docs/async_data_client/async_data_read_modify_write_rules.rst
similarity index 100%
rename from docs/async_data_read_modify_write_rules.rst
rename to docs/async_data_client/async_data_read_modify_write_rules.rst
diff --git a/docs/async_data_read_rows_query.rst b/docs/async_data_client/async_data_read_rows_query.rst
similarity index 100%
rename from docs/async_data_read_rows_query.rst
rename to docs/async_data_client/async_data_read_rows_query.rst
diff --git a/docs/async_data_row.rst b/docs/async_data_client/async_data_row.rst
similarity index 100%
rename from docs/async_data_row.rst
rename to docs/async_data_client/async_data_row.rst
diff --git a/docs/async_data_row_filters.rst b/docs/async_data_client/async_data_row_filters.rst
similarity index 100%
rename from docs/async_data_row_filters.rst
rename to docs/async_data_client/async_data_row_filters.rst
diff --git a/docs/async_data_client/async_data_table.rst b/docs/async_data_client/async_data_table.rst
new file mode 100644
index 000000000..a977beb6a
--- /dev/null
+++ b/docs/async_data_client/async_data_table.rst
@@ -0,0 +1,6 @@
+Table Async
+~~~~~~~~~~~
+
+.. autoclass:: google.cloud.bigtable.data._async.client.TableAsync
+  :members:
+  :show-inheritance:
diff --git a/docs/async_data_usage.rst b/docs/async_data_client/async_data_usage.rst
similarity index 80%
rename from docs/async_data_usage.rst
rename to docs/async_data_client/async_data_usage.rst
index c436c5988..8843b506b 100644
--- a/docs/async_data_usage.rst
+++ b/docs/async_data_client/async_data_usage.rst
@@ -1,10 +1,11 @@
-Using the Async Data Client
-===========================
+Async Data Client
+=================
 
 .. toctree::
   :maxdepth: 2
 
   async_data_client
+  async_data_table
   async_data_mutations_batcher
   async_data_read_rows_query
   async_data_row
diff --git a/docs/app-profile.rst b/docs/classic_client/app-profile.rst
similarity index 100%
rename from docs/app-profile.rst
rename to docs/classic_client/app-profile.rst
diff --git a/docs/backup.rst b/docs/classic_client/backup.rst
similarity index 100%
rename from docs/backup.rst
rename to docs/classic_client/backup.rst
diff --git a/docs/batcher.rst b/docs/classic_client/batcher.rst
similarity index 100%
rename from docs/batcher.rst
rename to docs/classic_client/batcher.rst
diff --git a/docs/client-intro.rst b/docs/classic_client/client-intro.rst
similarity index 100%
rename from docs/client-intro.rst
rename to docs/classic_client/client-intro.rst
diff --git a/docs/client.rst b/docs/classic_client/client.rst
similarity index 100%
rename from docs/client.rst
rename to docs/classic_client/client.rst
diff --git a/docs/cluster.rst b/docs/classic_client/cluster.rst
similarity index 100%
rename from docs/cluster.rst
rename to docs/classic_client/cluster.rst
diff --git a/docs/column-family.rst b/docs/classic_client/column-family.rst
similarity index 100%
rename from docs/column-family.rst
rename to docs/classic_client/column-family.rst
diff --git a/docs/data-api.rst b/docs/classic_client/data-api.rst
similarity index 100%
rename from docs/data-api.rst
rename to docs/classic_client/data-api.rst
diff --git a/docs/encryption-info.rst b/docs/classic_client/encryption-info.rst
similarity index 100%
rename from docs/encryption-info.rst
rename to docs/classic_client/encryption-info.rst
diff --git a/docs/instance-api.rst b/docs/classic_client/instance-api.rst
similarity index 100%
rename from docs/instance-api.rst
rename to docs/classic_client/instance-api.rst
diff --git a/docs/instance.rst b/docs/classic_client/instance.rst
similarity index 100%
rename from docs/instance.rst
rename to docs/classic_client/instance.rst
diff --git a/docs/row-data.rst b/docs/classic_client/row-data.rst
similarity index 100%
rename from docs/row-data.rst
rename to docs/classic_client/row-data.rst
diff --git a/docs/row-filters.rst b/docs/classic_client/row-filters.rst
similarity index 100%
rename from docs/row-filters.rst
rename to docs/classic_client/row-filters.rst
diff --git a/docs/row-set.rst b/docs/classic_client/row-set.rst
similarity index 100%
rename from docs/row-set.rst
rename to docs/classic_client/row-set.rst
diff --git a/docs/row.rst b/docs/classic_client/row.rst
similarity index 100%
rename from docs/row.rst
rename to docs/classic_client/row.rst
diff --git a/docs/snippets.py b/docs/classic_client/snippets.py
similarity index 100%
rename from docs/snippets.py
rename to docs/classic_client/snippets.py
diff --git a/docs/snippets_table.py b/docs/classic_client/snippets_table.py
similarity index 100%
rename from docs/snippets_table.py
rename to docs/classic_client/snippets_table.py
diff --git a/docs/table-api.rst b/docs/classic_client/table-api.rst
similarity index 100%
rename from docs/table-api.rst
rename to docs/classic_client/table-api.rst
diff --git a/docs/table.rst b/docs/classic_client/table.rst
similarity index 100%
rename from docs/table.rst
rename to docs/classic_client/table.rst
diff --git a/docs/usage.rst b/docs/classic_client/usage.rst
similarity index 91%
rename from docs/usage.rst
rename to docs/classic_client/usage.rst
index de0abac9c..7a47f4d4a 100644
--- a/docs/usage.rst
+++ b/docs/classic_client/usage.rst
@@ -1,10 +1,15 @@
-Using the Sync Client
-=====================
+Classic Client
+==============
 
 .. toctree::
   :maxdepth: 2
 
   client-intro
+
+  instance-api
+  table-api
+  data-api
+
   client
   cluster
   instance
diff --git a/docs/index.rst b/docs/index.rst
index 0f04542cc..4204e981d 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -2,29 +2,19 @@
 
 .. include:: multiprocessing.rst
 
-Using the API
+Client Types
 -------------
 .. toctree::
    :maxdepth: 2
 
-   usage
-   async_data_usage
-
-
-API Reference
--------------
-.. toctree::
-   :maxdepth: 2
-
-   instance-api
-   table-api
-   data-api
+   classic_client/usage
+   async_data_client/async_data_usage
 
 
 Changelog
 ---------
 
-For a list of all ``google-cloud-datastore`` releases:
+For a list of all ``google-cloud-bigtable`` releases:
 
 .. toctree::
   :maxdepth: 2
diff --git a/docs/scripts/patch_devsite_toc.py b/docs/scripts/patch_devsite_toc.py
new file mode 100644
index 000000000..6338128dd
--- /dev/null
+++ b/docs/scripts/patch_devsite_toc.py
@@ -0,0 +1,201 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+This script will run after ``nox -s docfx`` is run. docfx is the api doc format used by 
+google cloud. It is described here: https://github.com/googleapis/docuploader?tab=readme-ov-file#requirements-for-docfx-yaml-tarballs.
+
+One of the file used by docfx is toc.yml which is used to generate the table of contents sidebar.
+This script will patch file to create subfolders for each of the clients
+"""
+
+
+import yaml
+import os
+import shutil
+
+# set working directory to /docs
+os.chdir(f"{os.path.dirname(os.path.abspath(__file__))}/{os.pardir}")
+
+
+def add_sections(toc_file_path, section_list, output_file_path=None):
+    """
+    Add new sections to the autogenerated docfx table of contents file
+
+    Takes in a list of TocSection objects, which should point to a directory of rst files
+    within the main /docs directory, which represents a self-contained section of content
+
+    :param toc_file_path: path to the autogenerated toc file
+    :param section_list: list of TocSection objects to add
+    :param output_file_path: path to save the updated toc file. If None, save to the input file
+    """
+    # remove any sections that are already in the toc
+    remove_sections(toc_file_path, [section.title for section in section_list])
+    # add new sections
+    current_toc = yaml.safe_load(open(toc_file_path, "r"))
+    for section in section_list:
+        print(f"Adding section {section.title}...")
+        current_toc[0]["items"].insert(-1, section.to_dict())
+        section.copy_markdown()
+    # save file
+    if output_file_path is None:
+        output_file_path = toc_file_path
+    with open(output_file_path, "w") as f:
+        yaml.dump(current_toc, f)
+
+
+def remove_sections(toc_file_path, section_list, output_file_path=None):
+    """
+    Remove sections from the autogenerated docfx table of contents file
+
+    Takes in a list of string section names to remove from the toc file
+
+    :param toc_file_path: path to the autogenerated toc file
+    :param section_list: list of section names to remove
+    :param output_file_path: path to save the updated toc file. If None, save to the input file
+    """
+    current_toc = yaml.safe_load(open(toc_file_path, "r"))
+    print(f"Removing sections {section_list}...")
+    new_items = [d for d in current_toc[0]["items"] if d["name"] not in section_list]
+    current_toc[0]["items"] = new_items
+    # save file
+    if output_file_path is None:
+        output_file_path = toc_file_path
+    with open(output_file_path, "w") as f:
+        yaml.dump(current_toc, f)
+
+
+class TocSection:
+    def __init__(self, dir_name, index_file_name):
+        """
+        :param dir_name: name of the directory containing the rst files
+        :param index_file_name: name of an index file within dir_name. This file
+            will not be included in the table of contents, but provides an ordered
+            list of the other files which should be included
+        """
+        self.dir_name = dir_name
+        self.index_file_name = index_file_name
+        index_file_path = os.path.join(dir_name, index_file_name)
+        # find set of files referenced by the index file
+        with open(index_file_path, "r") as f:
+            self.title = f.readline().strip()
+            in_toc = False
+            self.items = []
+            for line in f:
+                # ignore empty lines
+                if not line.strip():
+                    continue
+                if line.startswith(".. toctree::"):
+                    in_toc = True
+                    continue
+                # ignore directives
+                if ":" in line:
+                    continue
+                if not in_toc:
+                    continue
+                # bail when toc indented block is done
+                if not line.startswith(" ") and not line.startswith("\t"):
+                    break
+                # extract entries
+                self.items.append(self.extract_toc_entry(line.strip()))
+
+    def extract_toc_entry(self, file_name):
+        """
+        Given the name of a file, extract the title and href for the toc entry,
+        and return as a dictionary
+        """
+        # load the file to get the title
+        with open(f"{self.dir_name}/{file_name}.rst", "r") as f2:
+            file_title = f2.readline().strip()
+            return {"name": file_title, "href": f"{file_name}.md"}
+
+    def to_dict(self):
+        """
+        Convert the TocSection object to a dictionary that can be written to a yaml file
+        """
+        return {"name": self.title, "items": self.items}
+
+    def copy_markdown(self):
+        """
+        Copy markdown files from _build/markdown/dir_name to _build/html/docfx_yaml
+
+        This is necessary because the markdown files in sub-directories
+        are not copied over by the docfx build by default
+        """
+        for file in os.listdir("_build/markdown/" + self.dir_name):
+            shutil.copy(
+                f"_build/markdown/{self.dir_name}/{file}",
+                f"_build/html/docfx_yaml",
+            )
+
+
+def validate_toc(toc_file_path, expected_section_list, added_sections):
+    current_toc = yaml.safe_load(open(toc_file_path, "r"))
+    # make sure the set of sections matches what we expect
+    found_sections = [d["name"] for d in current_toc[0]["items"]]
+    assert found_sections == expected_section_list
+    # make sure each customs ection is in the toc
+    for section in added_sections:
+        assert section.title in found_sections
+    # make sure each rst file in each custom section dir is listed in the toc
+    for section in added_sections:
+        items_in_toc = [
+            d["items"]
+            for d in current_toc[0]["items"]
+            if d["name"] == section.title and ".rst"
+        ][0]
+        items_in_dir = [f for f in os.listdir(section.dir_name) if f.endswith(".rst")]
+        # subtract 1 for index
+        assert len(items_in_toc) == len(items_in_dir) - 1
+        for file in items_in_dir:
+            if file != section.index_file_name:
+                base_name, _ = os.path.splitext(file)
+                assert any(d["href"] == f"{base_name}.md" for d in items_in_toc)
+    # make sure the markdown files are present in the docfx_yaml directory
+    for section in added_sections:
+        items_in_toc = [
+            d["items"]
+            for d in current_toc[0]["items"]
+            if d["name"] == section.title and ".rst"
+        ][0]
+        md_files = [d["href"] for d in items_in_toc]
+        for file in md_files:
+            assert os.path.exists(f"_build/html/docfx_yaml/{file}")
+    print("Toc validation passed")
+
+
+if __name__ == "__main__":
+    # Add secrtions for the async_data_client and classic_client directories
+    toc_path = "_build/html/docfx_yaml/toc.yml"
+    custom_sections = [
+        TocSection(
+            dir_name="async_data_client", index_file_name="async_data_usage.rst"
+        ),
+        TocSection(dir_name="classic_client", index_file_name="usage.rst"),
+    ]
+    add_sections(toc_path, custom_sections)
+    # Remove the Bigtable section, since it has duplicated data
+    remove_sections(toc_path, ["Bigtable"])
+    # run validation to make sure yaml is structured as we expect
+    validate_toc(
+        toc_file_path=toc_path,
+        expected_section_list=[
+            "Overview",
+            "bigtable APIs",
+            "Changelog",
+            "Multiprocessing",
+            "Async Data Client",
+            "Classic Client",
+        ],
+        added_sections=custom_sections,
+    )
diff --git a/noxfile.py b/noxfile.py
index f175c66da..3ea12c187 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -425,6 +425,9 @@ def docfx(session):
         os.path.join("docs", ""),
         os.path.join("docs", "_build", "html", ""),
     )
+    # Customization: Add extra sections to the table of contents for the Classic vs Async clients
+    session.install("pyyaml")
+    session.run("python", "docs/scripts/patch_devsite_toc.py")
 
 
 @nox.session(python=SYSTEM_TEST_PYTHON_VERSIONS)
diff --git a/owlbot.py b/owlbot.py
index cde9fce64..170bc08d4 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -213,6 +213,22 @@ def mypy(session):
     )
 
 
+# add customization to docfx
+docfx_postprocess = """
+    # Customization: Add extra sections to the table of contents for the Classic vs Async clients
+    session.install("pyyaml")
+    session.run("python", "docs/scripts/patch_devsite_toc.py")
+"""
+
+place_before(
+    "noxfile.py",
+    "@nox.session(python=SYSTEM_TEST_PYTHON_VERSIONS)\n"
+    "def prerelease_deps(session):",
+    docfx_postprocess,
+    escape="()"
+)
+
+
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def lint_setup_py(session):
 ''',