diff --git a/opentelemetry-api/tests/util/test_exclude_list.py b/opentelemetry-api/tests/util/test_exclude_list.py
new file mode 100644
index 00000000000..9e49dbf144d
--- /dev/null
+++ b/opentelemetry-api/tests/util/test_exclude_list.py
@@ -0,0 +1,57 @@
+# Copyright The OpenTelemetry Authors
+#
+# 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.
+
+import unittest
+from unittest import mock
+
+from opentelemetry.util import ExcludeList
+
+
+class TestExcludeList(unittest.TestCase):
+    def test_basic(self):
+        regexes = ExcludeList(["path/123", "http://site.com/other_path"])
+        self.assertTrue(regexes.url_disabled("http://site.com/path/123"))
+        self.assertTrue(regexes.url_disabled("http://site.com/path/123/abc"))
+        self.assertTrue(regexes.url_disabled("https://site.com/path/123?arg=other"))
+
+        self.assertFalse(regexes.url_disabled("https://site.com/path/abc/123"))
+        self.assertFalse(regexes.url_disabled("https://site.com/path"))
+
+        self.assertTrue(regexes.url_disabled("http://site.com/other_path"))
+        self.assertTrue(regexes.url_disabled("http://site.com/other_path?abc"))
+
+        self.assertFalse(regexes.url_disabled("https://site.com/other_path"))
+        self.assertFalse(regexes.url_disabled("https://site.com/abc/other_path"))
+
+    def test_regex(self):
+        regexes = ExcludeList(
+            [r"^https?://site\.com/path/123$", r"^http://.*\?arg=foo"]
+        )
+
+        self.assertTrue(regexes.url_disabled("http://site.com/path/123"))
+        self.assertTrue(regexes.url_disabled("https://site.com/path/123"))
+
+        self.assertFalse(regexes.url_disabled("http://site.com/path/123/abc"))
+        self.assertFalse(regexes.url_disabled("http://site,com/path/123"))
+
+        self.assertTrue(
+            regexes.url_disabled("http://site.com/path/123?arg=foo")
+        )
+        self.assertTrue(
+            regexes.url_disabled("http://site.com/path/123?arg=foo,arg2=foo2")
+        )
+
+        self.assertFalse(
+            regexes.url_disabled("https://site.com/path/123?arg=foo")
+        )