diff --git a/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserLookupAppService.cs b/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserLookupAppService.cs
index d8baff07ad..297032c7a9 100644
--- a/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserLookupAppService.cs
+++ b/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserLookupAppService.cs
@@ -7,6 +7,7 @@ using Volo.Abp.Users;
 
 namespace Volo.Abp.Identity;
 
+[Obsolete("Use IIdentityUserIntegrationService for module-to-module (or service-to-service) communication.")]
 [Authorize(IdentityPermissions.UserLookup.Default)]
 public class IdentityUserLookupAppService : IdentityAppServiceBase, IIdentityUserLookupAppService
 {
diff --git a/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/Volo/Abp/Identity/Integration/IdentityUserIntegrationClientProxy.Generated.cs b/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/Volo/Abp/Identity/Integration/IdentityUserIntegrationClientProxy.Generated.cs
index cc6ab0f7a9..1c2f1b61cb 100644
--- a/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/Volo/Abp/Identity/Integration/IdentityUserIntegrationClientProxy.Generated.cs
+++ b/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/Volo/Abp/Identity/Integration/IdentityUserIntegrationClientProxy.Generated.cs
@@ -8,7 +8,9 @@ using Volo.Abp.DependencyInjection;
 using Volo.Abp.Http.Client;
 using Volo.Abp.Http.Client.ClientProxying;
 using Volo.Abp.Http.Modeling;
+using Volo.Abp.Identity;
 using Volo.Abp.Identity.Integration;
+using Volo.Abp.Users;
 
 // ReSharper disable once CheckNamespace
 namespace Volo.Abp.Identity.Integration;
@@ -25,4 +27,36 @@ public partial class IdentityUserIntegrationClientProxy : ClientProxyBase<IIdent
             { typeof(Guid), id }
         });
     }
+
+    public virtual async Task<UserData> FindByIdAsync(Guid id)
+    {
+        return await RequestAsync<UserData>(nameof(FindByIdAsync), new ClientProxyRequestTypeValue
+        {
+            { typeof(Guid), id }
+        });
+    }
+
+    public virtual async Task<UserData> FindByUserNameAsync(string userName)
+    {
+        return await RequestAsync<UserData>(nameof(FindByUserNameAsync), new ClientProxyRequestTypeValue
+        {
+            { typeof(string), userName }
+        });
+    }
+
+    public virtual async Task<ListResultDto<UserData>> SearchAsync(UserLookupSearchInputDto input)
+    {
+        return await RequestAsync<ListResultDto<UserData>>(nameof(SearchAsync), new ClientProxyRequestTypeValue
+        {
+            { typeof(UserLookupSearchInputDto), input }
+        });
+    }
+
+    public virtual async Task<long> GetCountAsync(UserLookupCountInputDto input)
+    {
+        return await RequestAsync<long>(nameof(GetCountAsync), new ClientProxyRequestTypeValue
+        {
+            { typeof(UserLookupCountInputDto), input }
+        });
+    }
 }
diff --git a/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/identity-generate-proxy.json b/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/identity-generate-proxy.json
index ce96b88ee9..33efd0a6e7 100644
--- a/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/identity-generate-proxy.json
+++ b/modules/identity/src/Volo.Abp.Identity.HttpApi.Client/ClientProxies/identity-generate-proxy.json
@@ -1296,6 +1296,74 @@
                     "type": "System.String[]",
                     "typeSimple": "[string]"
                   }
+                },
+                {
+                  "name": "FindByIdAsync",
+                  "parametersOnMethod": [
+                    {
+                      "name": "id",
+                      "typeAsString": "System.Guid, System.Private.CoreLib",
+                      "type": "System.Guid",
+                      "typeSimple": "string",
+                      "isOptional": false,
+                      "defaultValue": null
+                    }
+                  ],
+                  "returnValue": {
+                    "type": "Volo.Abp.Users.UserData",
+                    "typeSimple": "Volo.Abp.Users.UserData"
+                  }
+                },
+                {
+                  "name": "FindByUserNameAsync",
+                  "parametersOnMethod": [
+                    {
+                      "name": "userName",
+                      "typeAsString": "System.String, System.Private.CoreLib",
+                      "type": "System.String",
+                      "typeSimple": "string",
+                      "isOptional": false,
+                      "defaultValue": null
+                    }
+                  ],
+                  "returnValue": {
+                    "type": "Volo.Abp.Users.UserData",
+                    "typeSimple": "Volo.Abp.Users.UserData"
+                  }
+                },
+                {
+                  "name": "SearchAsync",
+                  "parametersOnMethod": [
+                    {
+                      "name": "input",
+                      "typeAsString": "Volo.Abp.Identity.UserLookupSearchInputDto, Volo.Abp.Identity.Application.Contracts",
+                      "type": "Volo.Abp.Identity.UserLookupSearchInputDto",
+                      "typeSimple": "Volo.Abp.Identity.UserLookupSearchInputDto",
+                      "isOptional": false,
+                      "defaultValue": null
+                    }
+                  ],
+                  "returnValue": {
+                    "type": "Volo.Abp.Application.Dtos.ListResultDto<Volo.Abp.Users.UserData>",
+                    "typeSimple": "Volo.Abp.Application.Dtos.ListResultDto<Volo.Abp.Users.UserData>"
+                  }
+                },
+                {
+                  "name": "GetCountAsync",
+                  "parametersOnMethod": [
+                    {
+                      "name": "input",
+                      "typeAsString": "Volo.Abp.Identity.UserLookupCountInputDto, Volo.Abp.Identity.Application.Contracts",
+                      "type": "Volo.Abp.Identity.UserLookupCountInputDto",
+                      "typeSimple": "Volo.Abp.Identity.UserLookupCountInputDto",
+                      "isOptional": false,
+                      "defaultValue": null
+                    }
+                  ],
+                  "returnValue": {
+                    "type": "System.Int64",
+                    "typeSimple": "number"
+                  }
                 }
               ]
             }
@@ -1337,6 +1405,190 @@
               },
               "allowAnonymous": null,
               "implementFrom": "Volo.Abp.Identity.Integration.IIdentityUserIntegrationService"
+            },
+            "FindByIdAsyncById": {
+              "uniqueName": "FindByIdAsyncById",
+              "name": "FindByIdAsync",
+              "httpMethod": "GET",
+              "url": "integration-api/identity/users/{id}",
+              "supportedVersions": [],
+              "parametersOnMethod": [
+                {
+                  "name": "id",
+                  "typeAsString": "System.Guid, System.Private.CoreLib",
+                  "type": "System.Guid",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null
+                }
+              ],
+              "parameters": [
+                {
+                  "nameOnMethod": "id",
+                  "name": "id",
+                  "jsonName": null,
+                  "type": "System.Guid",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": [],
+                  "bindingSourceId": "Path",
+                  "descriptorName": ""
+                }
+              ],
+              "returnValue": {
+                "type": "Volo.Abp.Users.UserData",
+                "typeSimple": "Volo.Abp.Users.UserData"
+              },
+              "allowAnonymous": null,
+              "implementFrom": "Volo.Abp.Identity.Integration.IIdentityUserIntegrationService"
+            },
+            "FindByUserNameAsyncByUserName": {
+              "uniqueName": "FindByUserNameAsyncByUserName",
+              "name": "FindByUserNameAsync",
+              "httpMethod": "GET",
+              "url": "integration-api/identity/users/by-username/{userName}",
+              "supportedVersions": [],
+              "parametersOnMethod": [
+                {
+                  "name": "userName",
+                  "typeAsString": "System.String, System.Private.CoreLib",
+                  "type": "System.String",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null
+                }
+              ],
+              "parameters": [
+                {
+                  "nameOnMethod": "userName",
+                  "name": "userName",
+                  "jsonName": null,
+                  "type": "System.String",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": [],
+                  "bindingSourceId": "Path",
+                  "descriptorName": ""
+                }
+              ],
+              "returnValue": {
+                "type": "Volo.Abp.Users.UserData",
+                "typeSimple": "Volo.Abp.Users.UserData"
+              },
+              "allowAnonymous": null,
+              "implementFrom": "Volo.Abp.Identity.Integration.IIdentityUserIntegrationService"
+            },
+            "SearchAsyncByInput": {
+              "uniqueName": "SearchAsyncByInput",
+              "name": "SearchAsync",
+              "httpMethod": "GET",
+              "url": "integration-api/identity/users/search",
+              "supportedVersions": [],
+              "parametersOnMethod": [
+                {
+                  "name": "input",
+                  "typeAsString": "Volo.Abp.Identity.UserLookupSearchInputDto, Volo.Abp.Identity.Application.Contracts",
+                  "type": "Volo.Abp.Identity.UserLookupSearchInputDto",
+                  "typeSimple": "Volo.Abp.Identity.UserLookupSearchInputDto",
+                  "isOptional": false,
+                  "defaultValue": null
+                }
+              ],
+              "parameters": [
+                {
+                  "nameOnMethod": "input",
+                  "name": "Filter",
+                  "jsonName": null,
+                  "type": "System.String",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": null,
+                  "bindingSourceId": "ModelBinding",
+                  "descriptorName": "input"
+                },
+                {
+                  "nameOnMethod": "input",
+                  "name": "Sorting",
+                  "jsonName": null,
+                  "type": "System.String",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": null,
+                  "bindingSourceId": "ModelBinding",
+                  "descriptorName": "input"
+                },
+                {
+                  "nameOnMethod": "input",
+                  "name": "SkipCount",
+                  "jsonName": null,
+                  "type": "System.Int32",
+                  "typeSimple": "number",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": null,
+                  "bindingSourceId": "ModelBinding",
+                  "descriptorName": "input"
+                },
+                {
+                  "nameOnMethod": "input",
+                  "name": "MaxResultCount",
+                  "jsonName": null,
+                  "type": "System.Int32",
+                  "typeSimple": "number",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": null,
+                  "bindingSourceId": "ModelBinding",
+                  "descriptorName": "input"
+                }
+              ],
+              "returnValue": {
+                "type": "Volo.Abp.Application.Dtos.ListResultDto<Volo.Abp.Users.UserData>",
+                "typeSimple": "Volo.Abp.Application.Dtos.ListResultDto<Volo.Abp.Users.UserData>"
+              },
+              "allowAnonymous": null,
+              "implementFrom": "Volo.Abp.Identity.Integration.IIdentityUserIntegrationService"
+            },
+            "GetCountAsyncByInput": {
+              "uniqueName": "GetCountAsyncByInput",
+              "name": "GetCountAsync",
+              "httpMethod": "GET",
+              "url": "integration-api/identity/users/count",
+              "supportedVersions": [],
+              "parametersOnMethod": [
+                {
+                  "name": "input",
+                  "typeAsString": "Volo.Abp.Identity.UserLookupCountInputDto, Volo.Abp.Identity.Application.Contracts",
+                  "type": "Volo.Abp.Identity.UserLookupCountInputDto",
+                  "typeSimple": "Volo.Abp.Identity.UserLookupCountInputDto",
+                  "isOptional": false,
+                  "defaultValue": null
+                }
+              ],
+              "parameters": [
+                {
+                  "nameOnMethod": "input",
+                  "name": "Filter",
+                  "jsonName": null,
+                  "type": "System.String",
+                  "typeSimple": "string",
+                  "isOptional": false,
+                  "defaultValue": null,
+                  "constraintTypes": null,
+                  "bindingSourceId": "ModelBinding",
+                  "descriptorName": "input"
+                }
+              ],
+              "returnValue": {
+                "type": "System.Int64",
+                "typeSimple": "number"
+              },
+              "allowAnonymous": null,
+              "implementFrom": "Volo.Abp.Identity.Integration.IIdentityUserIntegrationService"
             }
           }
         }