diff --git a/smsapi/Api/Action/Subusers/Creation/EditSubuser.cs b/smsapi/Api/Action/Subusers/Creation/EditSubuser.cs
new file mode 100644
index 0000000..7e8cbd3
--- /dev/null
+++ b/smsapi/Api/Action/Subusers/Creation/EditSubuser.cs
@@ -0,0 +1,98 @@
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using SMSApi.Api.Response.Subusers;
+
+namespace SMSApi.Api.Action.Subusers.Creation;
+
+public sealed class EditSubuser : Action<SubuserDetails>
+{
+    private readonly string _userId;
+
+    private bool? _active;
+    private string? _desription;
+    private string? _password;
+    private SubuserPoints? _points;
+
+    public EditSubuser(string userId)
+    {
+        _userId = userId;
+    }
+
+    protected override RequestMethod Method => RequestMethod.PUT;
+
+    protected override ActionContentType ContentType => ActionContentType.Json;
+
+    protected override ApiType ApiType()
+    {
+        return Action.ApiType.Rest;
+    }
+
+    protected override string Uri()
+    {
+        return $"subusers/{_userId}";
+    }
+
+    public EditSubuser Activate()
+    {
+        _active = true;
+
+        return this;
+    }
+
+    public EditSubuser Deactivate()
+    {
+        _active = false;
+
+        return this;
+    }
+
+    public EditSubuser ChangeDescription(string description)
+    {
+        _desription = description;
+
+        return this;
+    }
+
+    public EditSubuser ChangePoints(SubuserPoints points)
+    {
+        _points = points;
+
+        return this;
+    }
+
+    public EditSubuser ChangePassword(string newPassword)
+    {
+        _password = newPassword;
+
+        return this;
+    }
+
+    protected override (NameValueCollection, ISet<KeyValuePair<string, dynamic?>>?) Values()
+    {
+        var values = new HashSet<KeyValuePair<string, dynamic?>>();
+
+        _active?.Let(newStatus => values.Add(("active", newStatus)));
+
+        _password?.Let(newPassword =>
+        {
+            values.Add(
+                ("credentials", new Dictionary<string, string> { { "password", newPassword } })
+                );
+        });
+
+        _desription?.Let(newDescription => values.Add(("description", newDescription)));
+
+        _points?.Let(points =>
+        {
+            var pointsStructure = new Dictionary<string, double>();
+
+            points.FromAccount?.Let(fromAccount => pointsStructure.Add("from_account", fromAccount));
+            points.PerMonth?.Let(perMonth => pointsStructure.Add("per_month", perMonth));
+
+            if (pointsStructure.Count > 0)
+                values.Add(("points", pointsStructure));
+        });
+
+        return (new NameValueCollection(), values);
+    }
+}
diff --git a/smsapiTests/Unit/Action/Subusers/EditSubuserResponseTest.cs b/smsapiTests/Unit/Action/Subusers/EditSubuserResponseTest.cs
new file mode 100644
index 0000000..2a24e41
--- /dev/null
+++ b/smsapiTests/Unit/Action/Subusers/EditSubuserResponseTest.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Net;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using SMSApi.Api;
+using SMSApi.Api.Action.Subusers.Creation;
+using SMSApi.Api.Response.Subusers;
+using smsapiTests.Unit.Fixture;
+using smsapiTests.Unit.Helper;
+
+namespace smsapiTests.Unit.Action.Subusers;
+
+[TestClass]
+public class EditSubuserResponseTest
+{
+    private readonly ProxyStub _proxyStub = new();
+
+    [TestMethod]
+    [DataRow(true)]
+    [DataRow(false)]
+    public void edit_subuser(bool active)
+    {
+        var id = "655B26893332330011B0B297";
+        var username = "subuser_name";
+        var description = "any description";
+        var fromAccountPoints = Random.Shared.NextDouble();
+        var perMonthPoints = Random.Shared.NextDouble();
+        var response =
+            new Dictionary<string, dynamic>
+            {
+                { "id", id },
+                { "username", username },
+                { "active", active },
+                { "description", description },
+                {
+                    "points", new Dictionary<string, double>
+                    {
+                        { "from_account", fromAccountPoints },
+                        { "per_month", perMonthPoints }
+                    }
+                }
+            };
+        _proxyStub.SyncExecutionResponse = new HttpResponseEntity(
+            response.ToHttpEntityStreamTask(),
+            HttpStatusCode.Created
+        );
+
+        var result = EditSubuser();
+
+        Assert.AreEqual(id, result.Id);
+        Assert.AreEqual(username, result.Username);
+        Assert.AreEqual(active, result.Active);
+        Assert.AreEqual(description, result.Description);
+        Assert.AreEqual(new UserPoints(fromAccountPoints, perMonthPoints), result.Points);
+    }
+
+    private SubuserDetails EditSubuser()
+    {
+        var action = new EditSubuser("any");
+        action.Proxy(_proxyStub);
+
+        return action.Execute();
+    }
+}
diff --git a/smsapiTests/Unit/Action/Subusers/EditSubuserTest.cs b/smsapiTests/Unit/Action/Subusers/EditSubuserTest.cs
new file mode 100644
index 0000000..8888196
--- /dev/null
+++ b/smsapiTests/Unit/Action/Subusers/EditSubuserTest.cs
@@ -0,0 +1,169 @@
+using System.Collections.Generic;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using SMSApi.Api;
+using SMSApi.Api.Action.Subusers.Creation;
+
+namespace smsapiTests.Unit.Action.Subusers;
+
+[TestClass]
+public class EditSubuserTest
+{
+    private readonly ProxyAssert _proxyAssert;
+    private readonly SpyProxy _spyProxy = new();
+
+    public EditSubuserTest()
+    {
+        _proxyAssert = new ProxyAssert(_spyProxy);
+    }
+
+    [TestMethod]
+    public void use_put_request_method()
+    {
+        EditSubuser().Execute();
+
+        _proxyAssert.AssertRequestMethod(RequestMethod.PUT);
+    }
+
+    [TestMethod]
+    public void request_proper_uri()
+    {
+        var userId = "1238f47da26ee45dc41fb987";
+
+        EditSubuser(userId).Execute();
+
+        _proxyAssert.AssertUriEquals($"subusers/{userId}");
+    }
+
+    [TestMethod]
+    public void do_not_change_anything_when_not_requested()
+    {
+        EditSubuser().Execute();
+
+        _proxyAssert.AssertNoParameters();
+    }
+
+    [TestMethod]
+    public void activate_user()
+    {
+        EditSubuser()
+            .Activate()
+            .Execute();
+
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("active", true);
+    }
+
+    [TestMethod]
+    public void deactivate_user()
+    {
+        EditSubuser()
+            .Deactivate()
+            .Execute();
+
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("active", false);
+    }
+
+    [TestMethod]
+    public void change_password()
+    {
+        var newPassword = "newPassword";
+
+        EditSubuser()
+            .ChangePassword(newPassword)
+            .Execute();
+
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("credentials", new Dictionary<string, string> { { "password", newPassword } });
+    }
+
+    [TestMethod]
+    public void change_description()
+    {
+        var newDescription = "any description";
+
+        EditSubuser()
+            .ChangeDescription(newDescription)
+            .Execute();
+
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("description", newDescription);
+    }
+
+    [TestMethod]
+    public void do_not_change_points_when_empty()
+    {
+        var emptyPoints = new SubuserPoints();
+
+        EditSubuser()
+            .ChangePoints(emptyPoints)
+            .Execute();
+
+        _proxyAssert.AssertNoParameters();
+    }
+
+    [TestMethod]
+    public void send_only_from_account_points_value()
+    {
+        var fromAccount = 10;
+        var points = new SubuserPoints(fromAccount);
+
+        EditSubuser()
+            .ChangePoints(points)
+            .Execute();
+
+        var expectedPoints = new Dictionary<string, double> { { "from_account", fromAccount } };
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("points", expectedPoints);
+    }
+
+    [TestMethod]
+    public void send_only_per_month_points_value()
+    {
+        var perMonth = 10;
+        var points = new SubuserPoints(PerMonth: perMonth);
+
+        EditSubuser()
+            .ChangePoints(points)
+            .Execute();
+
+        var expectedPoints = new Dictionary<string, double> { { "per_month", perMonth } };
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("points", expectedPoints);
+    }
+
+    [TestMethod]
+    public void send_from_account_and_per_month_points_value()
+    {
+        var fromAccount = 15;
+        var perMonth = 10;
+        var points = new SubuserPoints(fromAccount, perMonth);
+
+        EditSubuser()
+            .ChangePoints(points)
+            .Execute();
+
+        var expectedPoints = new Dictionary<string, double>
+        {
+            { "from_account", fromAccount },
+            { "per_month", perMonth }
+        };
+        _proxyAssert
+            .AssertParametersCount(1)
+            .AssertParametersContain("points", expectedPoints);
+    }
+
+    private EditSubuser EditSubuser(string userId = "any")
+    {
+        var action = new EditSubuser(userId);
+        action.Proxy(_spyProxy);
+
+        return action;
+    }
+}