diff --git a/src/keycloak/connection.py b/src/keycloak/connection.py
index fb22a71..c4881f0 100644
--- a/src/keycloak/connection.py
+++ b/src/keycloak/connection.py
@@ -307,7 +307,7 @@ class ConnectionManager(object):
         try:
             return await self.async_s.get(
                 urljoin(self.base_url, path),
-                params=kwargs,
+                params=self._filter_query_params(kwargs),
                 headers=self.headers,
                 timeout=self.timeout,
             )
@@ -331,7 +331,7 @@ class ConnectionManager(object):
             return await self.async_s.request(
                 method="POST",
                 url=urljoin(self.base_url, path),
-                params=kwargs,
+                params=self._filter_query_params(kwargs),
                 data=data,
                 headers=self.headers,
                 timeout=self.timeout,
@@ -355,7 +355,7 @@ class ConnectionManager(object):
         try:
             return await self.async_s.put(
                 urljoin(self.base_url, path),
-                params=kwargs,
+                params=self._filter_query_params(kwargs),
                 data=data,
                 headers=self.headers,
                 timeout=self.timeout,
@@ -381,9 +381,23 @@ class ConnectionManager(object):
                 method="DELETE",
                 url=urljoin(self.base_url, path),
                 data=data or dict(),
-                params=kwargs,
+                params=self._filter_query_params(kwargs),
                 headers=self.headers,
                 timeout=self.timeout,
             )
         except Exception as e:
             raise KeycloakConnectionError("Can't connect to server (%s)" % e)
+
+    @staticmethod
+    def _filter_query_params(query_params):
+        """Explicitly filter query params with None values for compatibility.
+
+        Httpx and requests differ in the way they handle query params with the value None,
+        requests does not include params with the value None while httpx includes them as-is.
+
+        :param query_params: the query params
+        :type query_params: dict
+        :returns: the filtered query params
+        :rtype: dict
+        """
+        return {k: v for k, v in query_params.items() if v is not None}
diff --git a/src/keycloak/keycloak_admin.py b/src/keycloak/keycloak_admin.py
index 15874ee..41f2e46 100644
--- a/src/keycloak/keycloak_admin.py
+++ b/src/keycloak/keycloak_admin.py
@@ -5073,7 +5073,7 @@ class KeycloakAdmin:
         data_raw = await self.connection.a_raw_put(
             urls_patterns.URL_ADMIN_SEND_UPDATE_ACCOUNT.format(**params_path),
             data=json.dumps(payload),
-            kwargs=params_query,
+            **params_query,
         )
         return raise_error_from_response(data_raw, KeycloakPutError)
 
@@ -5097,7 +5097,7 @@ class KeycloakAdmin:
         data_raw = await self.connection.a_raw_put(
             urls_patterns.URL_ADMIN_SEND_VERIFY_EMAIL.format(**params_path),
             data={},
-            kwargs=params_query,
+            **params_query,
         )
         return raise_error_from_response(data_raw, KeycloakPutError)
 
diff --git a/tests/test_keycloak_admin.py b/tests/test_keycloak_admin.py
index cb88c2b..c6e6448 100644
--- a/tests/test_keycloak_admin.py
+++ b/tests/test_keycloak_admin.py
@@ -5,6 +5,7 @@ import os
 import uuid
 from inspect import iscoroutinefunction, signature
 from typing import Tuple
+from unittest.mock import ANY, patch
 
 import freezegun
 import pytest
@@ -12,7 +13,12 @@ from dateutil import parser as datetime_parser
 from packaging.version import Version
 
 import keycloak
-from keycloak import KeycloakAdmin, KeycloakOpenID, KeycloakOpenIDConnection
+from keycloak import (
+    KeycloakAdmin,
+    KeycloakConnectionError,
+    KeycloakOpenID,
+    KeycloakOpenIDConnection,
+)
 from keycloak.connection import ConnectionManager
 from keycloak.exceptions import (
     KeycloakAuthenticationError,
@@ -5170,6 +5176,55 @@ async def test_a_email(admin: KeycloakAdmin, user: str):
     assert err.match('500: b\'{"errorMessage":"Failed to send .*"}\'')
 
 
+@pytest.mark.asyncio
+async def test_a_email_query_param_handling(admin: KeycloakAdmin, user: str):
+    """Test that the optional parameters are correctly transformed into query params.
+
+    :param admin: Keycloak Admin client
+    :type admin: KeycloakAdmin
+    :param user: Keycloak user
+    :type user: str
+    """
+    with patch.object(
+        admin.connection.async_s, "put", side_effect=Exception("An expected error")
+    ) as mock_put, pytest.raises(KeycloakConnectionError):
+        await admin.a_send_update_account(
+            user_id=user,
+            payload=["UPDATE_PASSWORD"],
+            client_id="update-account-client-id",
+            redirect_uri="https://example.com",
+        )
+
+    mock_put.assert_awaited_once_with(
+        ANY,
+        data='["UPDATE_PASSWORD"]',
+        params={
+            "client_id": "update-account-client-id",
+            "redirect_uri": "https://example.com",
+        },
+        headers=ANY,
+        timeout=60,
+    )
+
+    with patch.object(
+        admin.connection.async_s, "put", side_effect=Exception("An expected error")
+    ) as mock_put, pytest.raises(KeycloakConnectionError):
+        await admin.a_send_verify_email(
+            user_id=user, client_id="verify-client-id", redirect_uri="https://example.com"
+        )
+
+    mock_put.assert_awaited_once_with(
+        ANY,
+        data=ANY,
+        params={
+            "client_id": "verify-client-id",
+            "redirect_uri": "https://example.com",
+        },
+        headers=ANY,
+        timeout=60,
+    )
+
+
 @pytest.mark.asyncio
 async def test_a_get_sessions(admin: KeycloakAdmin):
     """Test get sessions.