diff --git a/SchengenVisaApi/SchengenVisaApi/Controllers/UsersController.cs b/SchengenVisaApi/SchengenVisaApi/Controllers/UsersController.cs
index 18ce839..b7e7294 100644
--- a/SchengenVisaApi/SchengenVisaApi/Controllers/UsersController.cs
+++ b/SchengenVisaApi/SchengenVisaApi/Controllers/UsersController.cs
@@ -3,6 +3,7 @@ using ApplicationLayer.Services.AuthServices.LoginService;
 using ApplicationLayer.Services.AuthServices.RegisterService;
 using ApplicationLayer.Services.AuthServices.Requests;
 using ApplicationLayer.Services.Users;
+using ApplicationLayer.Services.Users.Models;
 using ApplicationLayer.Services.Users.Requests;
 using Domains.Users;
 using FluentValidation;
@@ -66,7 +67,7 @@ public class UsersController(
     /// <summary> Returns list of authority accounts </summary>
     /// <remarks> Accessible only for admins </remarks>
     [HttpGet("authorities")]
-    [ProducesResponseType<List<User>>(StatusCodes.Status200OK)]
+    [ProducesResponseType<List<UserModel>>(StatusCodes.Status200OK)]
     [ProducesResponseType(StatusCodes.Status403Forbidden)]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
     [Authorize(policy: PolicyConstants.AdminPolicy)]
diff --git a/SchengenVisaApi/VisaApiClient/Client.cs b/SchengenVisaApi/VisaApiClient/Client.cs
index 53062d3..5f8ab5a 100644
--- a/SchengenVisaApi/VisaApiClient/Client.cs
+++ b/SchengenVisaApi/VisaApiClient/Client.cs
@@ -306,7 +306,7 @@ namespace VisaApiClient
         /// </remarks>
         /// <returns>Success</returns>
         /// <exception cref="ApiException">A server side error occurred.</exception>
-        public virtual System.Threading.Tasks.Task<System.Collections.Generic.ICollection<User>> GetAuthorityAccountsAsync()
+        public virtual System.Threading.Tasks.Task<System.Collections.Generic.ICollection<UserModel>> GetAuthorityAccountsAsync()
         {
             return GetAuthorityAccountsAsync(System.Threading.CancellationToken.None);
         }
@@ -320,7 +320,7 @@ namespace VisaApiClient
         /// </remarks>
         /// <returns>Success</returns>
         /// <exception cref="ApiException">A server side error occurred.</exception>
-        public virtual async System.Threading.Tasks.Task<System.Collections.Generic.ICollection<User>> GetAuthorityAccountsAsync(System.Threading.CancellationToken cancellationToken)
+        public virtual async System.Threading.Tasks.Task<System.Collections.Generic.ICollection<UserModel>> GetAuthorityAccountsAsync(System.Threading.CancellationToken cancellationToken)
         {
             var client_ = _httpClient;
             var disposeClient_ = false;
@@ -361,7 +361,7 @@ namespace VisaApiClient
                         var status_ = (int)response_.StatusCode;
                         if (status_ == 200)
                         {
-                            var objectResponse_ = await ReadObjectResponseAsync<System.Collections.Generic.ICollection<User>>(response_, headers_, cancellationToken).ConfigureAwait(false);
+                            var objectResponse_ = await ReadObjectResponseAsync<System.Collections.Generic.ICollection<UserModel>>(response_, headers_, cancellationToken).ConfigureAwait(false);
                             if (objectResponse_.Object == null)
                             {
                                 throw new ApiException("Response was null which was not expected.", status_, objectResponse_.Text, headers_, null);
@@ -413,9 +413,9 @@ namespace VisaApiClient
         /// </summary>
         /// <returns>Success</returns>
         /// <exception cref="ApiException">A server side error occurred.</exception>
-        public virtual System.Threading.Tasks.Task<string> LoginAsync(string? email, string? password)
+        public virtual System.Threading.Tasks.Task<string> LoginAsync(string authData_Email, string authData_Password)
         {
-            return LoginAsync(email, password, System.Threading.CancellationToken.None);
+            return LoginAsync(authData_Email, authData_Password, System.Threading.CancellationToken.None);
         }
 
         /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
@@ -424,8 +424,14 @@ namespace VisaApiClient
         /// </summary>
         /// <returns>Success</returns>
         /// <exception cref="ApiException">A server side error occurred.</exception>
-        public virtual async System.Threading.Tasks.Task<string> LoginAsync(string? email, string? password, System.Threading.CancellationToken cancellationToken)
+        public virtual async System.Threading.Tasks.Task<string> LoginAsync(string authData_Email, string authData_Password, System.Threading.CancellationToken cancellationToken)
         {
+            if (authData_Email == null)
+                throw new System.ArgumentNullException("authData_Email");
+
+            if (authData_Password == null)
+                throw new System.ArgumentNullException("authData_Password");
+
             var client_ = _httpClient;
             var disposeClient_ = false;
             try
@@ -440,14 +446,8 @@ namespace VisaApiClient
                     // Operation Path: "users/login"
                     urlBuilder_.Append("users/login");
                     urlBuilder_.Append('?');
-                    if (email != null)
-                    {
-                        urlBuilder_.Append(System.Uri.EscapeDataString("email")).Append('=').Append(System.Uri.EscapeDataString(ConvertToString(email, System.Globalization.CultureInfo.InvariantCulture))).Append('&');
-                    }
-                    if (password != null)
-                    {
-                        urlBuilder_.Append(System.Uri.EscapeDataString("password")).Append('=').Append(System.Uri.EscapeDataString(ConvertToString(password, System.Globalization.CultureInfo.InvariantCulture))).Append('&');
-                    }
+                    urlBuilder_.Append(System.Uri.EscapeDataString("AuthData.Email")).Append('=').Append(System.Uri.EscapeDataString(ConvertToString(authData_Email, System.Globalization.CultureInfo.InvariantCulture))).Append('&');
+                    urlBuilder_.Append(System.Uri.EscapeDataString("AuthData.Password")).Append('=').Append(System.Uri.EscapeDataString(ConvertToString(authData_Password, System.Globalization.CultureInfo.InvariantCulture))).Append('&');
                     urlBuilder_.Length--;
 
                     await PrepareRequestAsync(client_, request_, urlBuilder_, cancellationToken).ConfigureAwait(false);
@@ -1477,19 +1477,27 @@ namespace VisaApiClient
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class Address
+    public partial class AddressModel
     {
-        [Newtonsoft.Json.JsonProperty("country", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Country { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("country", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string Country { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("city", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? City { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("city", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string City { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("street", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Street { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("street", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(100, MinimumLength = 1)]
+        public string Street { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("building", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Building { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("building", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(10, MinimumLength = 1)]
+        public string Building { get; set; } = default!;
 
     }
 
@@ -1497,10 +1505,10 @@ namespace VisaApiClient
     public partial class ApplicantModel
     {
         [Newtonsoft.Json.JsonProperty("name", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Name Name { get; set; } = default!;
+        public NameModel Name { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("passport", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Passport Passport { get; set; } = default!;
+        public PassportModel Passport { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("birthDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public System.DateTimeOffset BirthDate { get; set; } = default!;
@@ -1526,16 +1534,16 @@ namespace VisaApiClient
         public MaritalStatus MaritalStatus { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("fatherName", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Name FatherName { get; set; } = default!;
+        public NameModel FatherName { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("motherName", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Name MotherName { get; set; } = default!;
+        public NameModel MotherName { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("jobTitle", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public string? JobTitle { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("placeOfWork", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public PlaceOfWork PlaceOfWork { get; set; } = default!;
+        public PlaceOfWorkModel PlaceOfWork { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("isNonResident", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public bool IsNonResident { get; set; } = default!;
@@ -1563,11 +1571,15 @@ namespace VisaApiClient
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
     public partial class AuthData
     {
-        [Newtonsoft.Json.JsonProperty("email", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Email { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("email", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(254, MinimumLength = 1)]
+        public string Email { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("password", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Password { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("password", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(50, MinimumLength = 1)]
+        public string Password { get; set; } = default!;
 
     }
 
@@ -1623,103 +1635,113 @@ namespace VisaApiClient
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class Name
+    public partial class NameModel
     {
-        [Newtonsoft.Json.JsonProperty("firstName", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? FirstName { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("firstName", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(50, MinimumLength = 1)]
+        public string FirstName { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("surname", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Surname { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("surname", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(50, MinimumLength = 1)]
+        public string Surname { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("patronymic", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [System.ComponentModel.DataAnnotations.StringLength(50)]
         public string? Patronymic { get; set; } = default!;
 
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class Passport
+    public partial class PassportModel
     {
-        [Newtonsoft.Json.JsonProperty("number", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Number { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("number", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(20, MinimumLength = 1)]
+        public string Number { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("issuer", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Issuer { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("issuer", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(200, MinimumLength = 1)]
+        public string Issuer { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("issueDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("issueDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset IssueDate { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset ExpirationDate { get; set; } = default!;
 
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class PastVisa
+    public partial class PastVisaModel
     {
-        [Newtonsoft.Json.JsonProperty("issueDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("issueDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset IssueDate { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("name", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Name { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("name", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string Name { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset ExpirationDate { get; set; } = default!;
 
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class PastVisit
+    public partial class PastVisitModel
     {
-        [Newtonsoft.Json.JsonProperty("startDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("startDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset StartDate { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("endDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("endDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset EndDate { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("destinationCountry", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? DestinationCountry { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("destinationCountry", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string DestinationCountry { get; set; } = default!;
 
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class PermissionToDestCountry
+    public partial class PermissionToDestCountryModel
     {
-        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset ExpirationDate { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("issuer", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Issuer { get; set; } = default!;
-
-    }
-
-    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class PlaceOfWork
-    {
-        [Newtonsoft.Json.JsonProperty("id", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Guid Id { get; set; } = default!;
-
-        [Newtonsoft.Json.JsonProperty("name", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Name { get; set; } = default!;
-
-        [Newtonsoft.Json.JsonProperty("address", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Address Address { get; set; } = default!;
-
-        [Newtonsoft.Json.JsonProperty("phoneNum", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? PhoneNum { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("issuer", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(200, MinimumLength = 1)]
+        public string Issuer { get; set; } = default!;
 
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
     public partial class PlaceOfWorkModel
     {
-        [Newtonsoft.Json.JsonProperty("name", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Name { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("name", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(200, MinimumLength = 1)]
+        public string Name { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("address", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Address Address { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("address", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public AddressModel Address { get; set; } = new AddressModel();
 
-        [Newtonsoft.Json.JsonProperty("phoneNum", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? PhoneNum { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("phoneNum", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(13, MinimumLength = 11)]
+        public string PhoneNum { get; set; } = default!;
 
     }
 
@@ -1753,12 +1775,15 @@ namespace VisaApiClient
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class ReentryPermit
+    public partial class ReentryPermitModel
     {
-        [Newtonsoft.Json.JsonProperty("number", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Number { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("number", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(25, MinimumLength = 1)]
+        public string Number { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("expirationDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset ExpirationDate { get; set; } = default!;
 
     }
@@ -1766,51 +1791,70 @@ namespace VisaApiClient
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
     public partial class RegisterApplicantRequest
     {
-        [Newtonsoft.Json.JsonProperty("authData", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public AuthData AuthData { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("registerRequest", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public RegisterRequest RegisterRequest { get; set; } = new RegisterRequest();
 
-        [Newtonsoft.Json.JsonProperty("applicantName", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Name ApplicantName { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("applicantName", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public NameModel ApplicantName { get; set; } = new NameModel();
 
-        [Newtonsoft.Json.JsonProperty("passport", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Passport Passport { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("passport", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public PassportModel Passport { get; set; } = new PassportModel();
 
-        [Newtonsoft.Json.JsonProperty("birthDate", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("birthDate", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.DateTimeOffset BirthDate { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("cityOfBirth", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? CityOfBirth { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("cityOfBirth", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string CityOfBirth { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("countryOfBirth", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? CountryOfBirth { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("countryOfBirth", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string CountryOfBirth { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("citizenship", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Citizenship { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("citizenship", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(30, MinimumLength = 1)]
+        public string Citizenship { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("citizenshipByBirth", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? CitizenshipByBirth { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("citizenshipByBirth", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(30, MinimumLength = 1)]
+        public string CitizenshipByBirth { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("gender", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("gender", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
         public Gender Gender { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("maritalStatus", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("maritalStatus", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
         public MaritalStatus MaritalStatus { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("fatherName", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Name FatherName { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("fatherName", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public NameModel FatherName { get; set; } = new NameModel();
 
-        [Newtonsoft.Json.JsonProperty("motherName", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public Name MotherName { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("motherName", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public NameModel MotherName { get; set; } = new NameModel();
 
-        [Newtonsoft.Json.JsonProperty("jobTitle", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? JobTitle { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("jobTitle", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(50, MinimumLength = 1)]
+        public string JobTitle { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("placeOfWork", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public PlaceOfWorkModel PlaceOfWork { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("placeOfWork", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public PlaceOfWorkModel PlaceOfWork { get; set; } = new PlaceOfWorkModel();
 
-        [Newtonsoft.Json.JsonProperty("isNonResident", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("isNonResident", Required = Newtonsoft.Json.Required.Always)]
         public bool IsNonResident { get; set; } = default!;
 
     }
@@ -1818,8 +1862,9 @@ namespace VisaApiClient
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
     public partial class RegisterRequest
     {
-        [Newtonsoft.Json.JsonProperty("authData", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public AuthData AuthData { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("authData", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public AuthData AuthData { get; set; } = new AuthData();
 
     }
 
@@ -1839,69 +1884,59 @@ namespace VisaApiClient
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public enum Role
+    public partial class UserModel
     {
-
-        [System.Runtime.Serialization.EnumMember(Value = @"Applicant")]
-        Applicant = 0,
-
-        [System.Runtime.Serialization.EnumMember(Value = @"ApprovingAuthority")]
-        ApprovingAuthority = 1,
-
-        [System.Runtime.Serialization.EnumMember(Value = @"Admin")]
-        Admin = 2,
-
-    }
-
-    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
-    public partial class User
-    {
-        [Newtonsoft.Json.JsonProperty("id", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("id", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         public System.Guid Id { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("role", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
-        public Role Role { get; set; } = default!;
-
-        [Newtonsoft.Json.JsonProperty("email", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Email { get; set; } = default!;
-
-        [Newtonsoft.Json.JsonProperty("password", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? Password { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("email", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(254, MinimumLength = 1)]
+        public string Email { get; set; } = default!;
 
     }
 
     [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "14.1.0.0 (NJsonSchema v11.0.2.0 (Newtonsoft.Json v13.0.0.0))")]
     public partial class VisaApplicationCreateRequest
     {
-        [Newtonsoft.Json.JsonProperty("reentryPermit", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public ReentryPermit ReentryPermit { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("reentryPermit", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public ReentryPermitModel ReentryPermit { get; set; } = new ReentryPermitModel();
 
-        [Newtonsoft.Json.JsonProperty("destinationCountry", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public string? DestinationCountry { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("destinationCountry", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        [System.ComponentModel.DataAnnotations.StringLength(70, MinimumLength = 1)]
+        public string DestinationCountry { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("visaCategory", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("visaCategory", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
         public VisaCategory VisaCategory { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("isForGroup", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("isForGroup", Required = Newtonsoft.Json.Required.Always)]
         public bool IsForGroup { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("requestedNumberOfEntries", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("requestedNumberOfEntries", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required(AllowEmptyStrings = true)]
         [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
         public RequestedNumberOfEntries RequestedNumberOfEntries { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("validDaysRequested", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        [Newtonsoft.Json.JsonProperty("validDaysRequested", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Range(0, 90)]
         public int ValidDaysRequested { get; set; } = default!;
 
-        [Newtonsoft.Json.JsonProperty("pastVisas", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Collections.Generic.ICollection<PastVisa>? PastVisas { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("pastVisas", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public System.Collections.Generic.ICollection<PastVisaModel> PastVisas { get; set; } = new System.Collections.ObjectModel.Collection<PastVisaModel>();
 
-        [Newtonsoft.Json.JsonProperty("permissionToDestCountry", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public PermissionToDestCountry PermissionToDestCountry { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("permissionToDestCountry", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public PermissionToDestCountryModel PermissionToDestCountry { get; set; } = new PermissionToDestCountryModel();
 
-        [Newtonsoft.Json.JsonProperty("pastVisits", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Collections.Generic.ICollection<PastVisit>? PastVisits { get; set; } = default!;
+        [Newtonsoft.Json.JsonProperty("pastVisits", Required = Newtonsoft.Json.Required.Always)]
+        [System.ComponentModel.DataAnnotations.Required]
+        public System.Collections.Generic.ICollection<PastVisitModel> PastVisits { get; set; } = new System.Collections.ObjectModel.Collection<PastVisitModel>();
 
     }
 
@@ -1916,19 +1951,19 @@ namespace VisaApiClient
         public ApplicationStatus Status { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("reentryPermit", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public ReentryPermit ReentryPermit { get; set; } = default!;
+        public ReentryPermitModel ReentryPermit { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("destinationCountry", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public string? DestinationCountry { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("pastVisas", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Collections.Generic.ICollection<PastVisa>? PastVisas { get; set; } = default!;
+        public System.Collections.Generic.ICollection<PastVisaModel>? PastVisas { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("permissionToDestCountry", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public PermissionToDestCountry PermissionToDestCountry { get; set; } = default!;
+        public PermissionToDestCountryModel PermissionToDestCountry { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("pastVisits", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Collections.Generic.ICollection<PastVisit>? PastVisits { get; set; } = default!;
+        public System.Collections.Generic.ICollection<PastVisitModel>? PastVisits { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("visaCategory", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
@@ -1963,19 +1998,19 @@ namespace VisaApiClient
         public ApplicationStatus Status { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("reentryPermit", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public ReentryPermit ReentryPermit { get; set; } = default!;
+        public ReentryPermitModel ReentryPermit { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("destinationCountry", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         public string? DestinationCountry { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("pastVisas", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Collections.Generic.ICollection<PastVisa>? PastVisas { get; set; } = default!;
+        public System.Collections.Generic.ICollection<PastVisaModel>? PastVisas { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("permissionToDestCountry", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public PermissionToDestCountry PermissionToDestCountry { get; set; } = default!;
+        public PermissionToDestCountryModel PermissionToDestCountry { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("pastVisits", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
-        public System.Collections.Generic.ICollection<PastVisit>? PastVisits { get; set; } = default!;
+        public System.Collections.Generic.ICollection<PastVisitModel>? PastVisits { get; set; } = default!;
 
         [Newtonsoft.Json.JsonProperty("visaCategory", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
         [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]