diff --git a/src/Casdoor.Client/Abstractions/ICasdoorClient.cs b/src/Casdoor.Client/Abstractions/ICasdoorClient.cs
index 5910ff1..aa52c50 100644
--- a/src/Casdoor.Client/Abstractions/ICasdoorClient.cs
+++ b/src/Casdoor.Client/Abstractions/ICasdoorClient.cs
@@ -16,7 +16,7 @@ namespace Casdoor.Client;
 
 public interface ICasdoorClient :
     ICasdoorUserClient, ICasdoorTokenClient, ICasdoorResourceClient, ICasdoorServiceClient,
-    ICasdoorApplicationClient, ICasdoorOrganizationClient, ICasdoorProviderClient, ICasdoorAccountClient
+    ICasdoorApplicationClient, ICasdoorOrganizationClient, ICasdoorProviderClient, ICasdoorAccountClient, ICasdoorModelClient
 {
 
 }
diff --git a/src/Casdoor.Client/Abstractions/ICasdoorModelClient.cs b/src/Casdoor.Client/Abstractions/ICasdoorModelClient.cs
new file mode 100644
index 0000000..ad4253d
--- /dev/null
+++ b/src/Casdoor.Client/Abstractions/ICasdoorModelClient.cs
@@ -0,0 +1,26 @@
+// Copyright 2022 The Casdoor Authors. All Rights Reserved.
+//
+// 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.
+
+namespace Casdoor.Client;
+
+public interface ICasdoorModelClient
+{
+    public Task<CasdoorResponse?> AddModelAsync(CasdoorModel application, CancellationToken cancellationToken = default);
+
+    public Task<CasdoorResponse?> UpdateModelAsync(CasdoorModel model, string modelId, CancellationToken cancellationToken = default);
+    public Task<CasdoorResponse?> DeleteModelAsync(CasdoorModel model, CancellationToken cancellationToken = default);
+    public Task<CasdoorModel?> GetModelAsync(string name, string? owner = null, CancellationToken cancellationToken = default);
+
+    public Task<IEnumerable<CasdoorModel>?> GetModelsAsync(string? owner = null, CancellationToken cancellationToken = default);
+}
diff --git a/tests/Casdoor.Client.UnitTests/ApiClientTests/ModelTest.cs b/tests/Casdoor.Client.UnitTests/ApiClientTests/ModelTest.cs
new file mode 100644
index 0000000..e3fc435
--- /dev/null
+++ b/tests/Casdoor.Client.UnitTests/ApiClientTests/ModelTest.cs
@@ -0,0 +1,97 @@
+using System.Globalization;
+using Casdoor.Client.UnitTests.Fixtures;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit.Abstractions;
+
+namespace Casdoor.Client.UnitTests.ApiClientTests;
+
+public class ModelTest : IClassFixture<ServicesFixture>
+{
+    private readonly ServicesFixture _servicesFixture;
+    private readonly ITestOutputHelper _testOutputHelper;
+
+    public ModelTest(ServicesFixture servicesFixture, ITestOutputHelper testOutputHelper)
+    {
+        _servicesFixture = servicesFixture;
+        _testOutputHelper = testOutputHelper;
+    }
+
+    [Fact]
+    public async void TestModel()
+    {
+        var userClient = _servicesFixture.ServiceProvider.GetService<ICasdoorClient>();
+
+        const string appName = $"model-name-4";
+        const string ownerName = "casbin";
+        const string modelText = @"[request_definition]
+r = sub, obj, act
+
+[policy_definition]
+p = sub, obj, act
+
+[role_definition]
+g = _, _
+
+[policy_effect]
+e = some(where (p.eft == allow))
+
+[matchers]
+m = g(r.sub, p.sub) && r.obj == p.obj && r.act == p.act";
+        var model = new CasdoorModel()
+        {
+            Owner = ownerName,
+            Name = appName,
+            CreatedTime = DateTime.Now.ToString(CultureInfo.InvariantCulture),
+            Description = "Casdoor website",
+            ModelText = modelText
+        };
+        // Add a new object
+
+        Task<CasdoorResponse?> responseAsync = userClient.AddModelAsync(model);
+        CasdoorResponse? response = await responseAsync;
+        Assert.Equal(CasdoorConstants.DefaultCasdoorSuccessStatus, response.Status);
+        _testOutputHelper.WriteLine(response.Status);
+        // Get all objects, check if our added object is inside the list
+        Task<IEnumerable<CasdoorModel>?> modelsAsync = userClient.GetModelsAsync();
+        IEnumerable<CasdoorModel>? getModels = await modelsAsync;
+        Assert.True(getModels.Any());
+        bool found = false;
+        foreach (CasdoorModel casdoorModel in getModels)
+        {
+            _testOutputHelper.WriteLine(casdoorModel.Name);
+            if (casdoorModel.Name is appName)
+            {
+                found = true;
+            }
+        }
+
+        Assert.True(found);
+
+        // Get the object
+        Task<CasdoorModel?> modelAsync = userClient.GetModelAsync($"{appName}");
+        CasdoorModel? getModel = await modelAsync;
+        Assert.Equal(appName, getModel.Name);
+        //Update the object
+        const string updateDescription = "Update Casdoor Website";
+        model.Description = updateDescription;
+        // Update the object
+        responseAsync =
+            userClient.UpdateModelAsync(model, $"{ownerName}/{appName}");
+        response = await responseAsync;
+        Assert.Equal(CasdoorConstants.DefaultCasdoorSuccessStatus, response.Status);
+        // Validate the update
+        modelAsync = userClient.GetModelAsync($"{appName}");
+        getModel = await modelAsync;
+        Assert.Equal(updateDescription, getModel.Description);
+
+        // Delete the object
+        responseAsync = userClient.DeleteModelAsync(model);
+        response = await responseAsync;
+        Assert.Equal(CasdoorConstants.DefaultCasdoorSuccessStatus, response.Status);
+        // Validate the deletion
+        modelAsync = userClient.GetModelAsync($"{appName}");
+        getModel = await modelAsync;
+        Assert.Null(getModel);
+
+    }
+}