diff --git a/os_traits/hw/gpu/__init__.py b/os_traits/hw/gpu/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/os_traits/hw/gpu/api.py b/os_traits/hw/gpu/api.py
new file mode 100644
index 0000000..6d1e82f
--- /dev/null
+++ b/os_traits/hw/gpu/api.py
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+
+# 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
+#
+#      http://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.
+
+
+TRAITS = [
+    # ref: https://en.wikipedia.org/wiki/DirectX
+    'DIRECTX_V10',
+    'DIRECTX_V11',
+    'DIRECTX_V12',
+    # ref: https://en.wikipedia.org/wiki/Direct2D
+    'DIRECT2D',
+    # ref: https://en.wikipedia.org/wiki/Direct3D
+    'DIRECT3D_V6_0',
+    'DIRECT3D_V7_0',
+    'DIRECT3D_V8_0',
+    'DIRECT3D_V8_1',
+    'DIRECT3D_V9_0',
+    'DIRECT3D_V9_0B',
+    'DIRECT3D_V9_0C',
+    'DIRECT3D_V9_0L',
+    'DIRECT3D_V10_0',
+    'DIRECT3D_V10_1',
+    'DIRECT3D_V11_0',
+    'DIRECT3D_V11_1',
+    'DIRECT3D_V11_2',
+    'DIRECT3D_V11_3',
+    'DIRECT3D_V12_0',
+    # ref: https://en.wikipedia.org/wiki/Vulkan_(API)
+    'VULKAN',
+    # ref: https://en.wikipedia.org/wiki/DirectX_Video_Acceleration
+    'DXVA',
+    # ref: https://en.wikipedia.org/wiki/OpenCL
+    'OPENCL_V1_0',
+    'OPENCL_V1_1',
+    'OPENCL_V1_2',
+    'OPENCL_V2_0',
+    'OPENCL_V2_1',
+    'OPENCL_V2_2',
+    # ref: https://en.wikipedia.org/wiki/OpenGL
+    'OPENGL_V1_1',
+    'OPENGL_V1_2',
+    'OPENGL_V1_3',
+    'OPENGL_V1_4',
+    'OPENGL_V1_5',
+    'OPENGL_V2_0',
+    'OPENGL_V2_1',
+    'OPENGL_V3_0',
+    'OPENGL_V3_1',
+    'OPENGL_V3_2',
+    'OPENGL_V3_3',
+    'OPENGL_V4_0',
+    'OPENGL_V4_1',
+    'OPENGL_V4_2',
+    'OPENGL_V4_3',
+    'OPENGL_V4_4',
+    'OPENGL_V4_5',
+    # ref: https://en.wikipedia.org/wiki/CUDA
+    'CUDA_V1_0',
+    'CUDA_V1_1',
+    'CUDA_V1_2',
+    'CUDA_V1_3',
+    'CUDA_V2_0',
+    'CUDA_V2_1',
+    'CUDA_V3_0',
+    'CUDA_V3_2',
+    'CUDA_V3_5',
+    'CUDA_V3_7',
+    'CUDA_V5_0',
+    'CUDA_V5_2',
+    'CUDA_V5_3',
+    'CUDA_V6_0',
+    'CUDA_V6_1',
+    'CUDA_V6_2',
+    'CUDA_V7_0',
+    'CUDA_V7_1',
+]
diff --git a/os_traits/tests/test_os_traits.py b/os_traits/tests/test_os_traits.py
index 5d3406f..db7b5fd 100644
--- a/os_traits/tests/test_os_traits.py
+++ b/os_traits/tests/test_os_traits.py
@@ -16,6 +16,7 @@ import re
 
 import os_traits as ot
 from os_traits.hw.cpu import x86
+from os_traits.hw.gpu import api
 from os_traits.hw.nic import offload
 from os_traits.tests import base
 
@@ -31,6 +32,7 @@ class TestSymbols(base.TestCase):
 
         # And the "leaf-module" namespace...
         self.assertEqual(x86.SSE42, ot.HW_CPU_X86_SSE42)
+        self.assertEqual(api.DIRECTX_V10, ot.HW_GPU_API_DIRECTX_V10)
         self.assertEqual(offload.TSO, ot.HW_NIC_OFFLOAD_TSO)
 
     def test_get_traits(self):