diff --git a/docs/usage.rst b/docs/usage.rst
index 3ac4e4b..28ad0d0 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -836,6 +836,17 @@ Check `Open Vsx <https://open-vsx.org/>`_ for updates.
 openvsx
   The extension's Unique Identifier on open-vsx.org, e.g. ``ritwickdey.LiveServer``.
   
+Check Visual Studio Code Marketplace
+~~~~~~~~~~~~~~~
+::
+
+  source = "vsmarketplace"
+
+Check `Visual Studio Code Marketplace <https://marketplace.visualstudio.com/vscode/>`_ for updates.
+
+vsmarketplace
+  The extension's Unique Identifier on marketplace.visualstudio.com/vscode, e.g. ``ritwickdey.LiveServer``.
+
 Combine others' results
 ~~~~~~~~~~~~~~~~~~~~~~~
 ::
diff --git a/nvchecker_source/vsmarketplace.py b/nvchecker_source/vsmarketplace.py
new file mode 100644
index 0000000..265829e
--- /dev/null
+++ b/nvchecker_source/vsmarketplace.py
@@ -0,0 +1,54 @@
+# MIT licensed
+# Copyright (c) 2013-2021 Th3Whit3Wolf <the.white.wolf.is.1337@gmail.com>, et al.
+
+from nvchecker.api import (
+  VersionResult, Entry, AsyncCache, KeyManager,
+  TemporaryError, session, GetVersionError,
+)
+
+API_URL = 'https://marketplace.visualstudio.com/_apis/public/gallery/extensionquery'
+
+HEADERS = {
+  'Accept': 'application/json;api-version=6.1-preview.1',
+  'Content-Type': 'application/json'
+}
+
+async def get_version(name: str, conf: Entry, *, cache: AsyncCache, **kwargs):
+  name = conf.get('vsmarketplace') or name
+
+  q = {
+    'filters': [
+      {
+        'criteria': [
+          {
+            'filterType': 8,
+            'value': 'Microsoft.VisualStudio.Code'
+          },
+          {
+            'filterType': 10,
+            'value': name
+          },
+          {
+            'filterType': 12,
+            'value': '4096'
+          }
+        ],
+        'pageNumber': 1,
+        'pageSize': 2,
+        'sortBy': 0,
+        'sortOrder': 0
+      }
+    ],
+    'assetTypes': [],
+    'flags': 946
+  }
+
+  res = await session.post(
+    API_URL,
+    headers = HEADERS,
+    json = q,
+  )
+  j = res.json()
+
+  version = j['results'][0]['extensions'][0]['versions'][0]['version']
+  return version
\ No newline at end of file
diff --git a/tests/test_vsmarketplace.py b/tests/test_vsmarketplace.py
new file mode 100644
index 0000000..a2d1ab8
--- /dev/null
+++ b/tests/test_vsmarketplace.py
@@ -0,0 +1,10 @@
+# MIT licensed
+# Copyright (c) 2013-2021 Th3Whit3Wolf <the.white.wolf.is.1337@gmail.com>, et al.
+
+import pytest
+pytestmark = [pytest.mark.asyncio, pytest.mark.needs_net]
+
+async def test_vsmarketplace(get_version):
+    assert await get_version("usernamehw.indent-one-space", {
+        "source": "vsmarketplace",
+    }) == "0.2.6"
\ No newline at end of file