diff --git a/src/modules/Workers/WebService/WebService.cpp b/src/modules/Workers/WebService/WebService.cpp
index 5113e52..9b816c4 100644
--- a/src/modules/Workers/WebService/WebService.cpp
+++ b/src/modules/Workers/WebService/WebService.cpp
@@ -50,7 +50,6 @@ namespace Apostol {
 
         CWebService::CWebService(CModuleProcess *AProcess): CApostolModule(AProcess, "web service", "module/WebService") {
             m_NexServerTime = 0;
-            m_ServerIndex = -1;
             m_SyncPeriod = BPS_DEFAULT_SYNC_PERIOD;
             m_Status = psStopped;
 
@@ -122,125 +121,34 @@ namespace Apostol {
         }
         //--------------------------------------------------------------------------------------------------------------
 
-        void CWebService::FetchOAuth2(CContext &Context) {
-
-            Log()->Debug(APP_LOG_DEBUG_CORE, "Trying to fetch a OAuth2 configuration file for module \"%s\" from: %s", Context.Name().c_str(), Context.URL().Origin().c_str());
-
-            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
-
-                ARequest->ContentType = CHTTPRequest::text;
-
-                Apostol::PGP::CleartextSignature(
-                        m_pgpPrivateKey,
-                        m_pgpPassphrase,
-                        BPS_PGP_HASH,
-                        Context.Name(),
-                        ARequest->Content);
-
-                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/service");
-
-                const auto& caModuleAddress = m_Module["address"];
-                if (!caModuleAddress.IsEmpty())
-                    ARequest->AddHeader("Module-Address", caModuleAddress);
-
-                DebugRequest(ARequest);
-            };
-
-            auto OnExecute = [this, &Context](CTCPConnection *AConnection) {
-
-                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
-
-                if (pConnection != nullptr) {
-                    auto pReply = pConnection->Reply();
-
-                    DebugReply(pReply);
-
-                    if (Context.Status() == Context::csPreparing) {
-                        if (pReply->Status == CHTTPReply::ok) {
-                            const CJSON Json(pReply->Content);
-                            Json.SaveToFile(m_OAuth2.c_str());
-                            UpdateOAuth2(m_OAuth2);
-                        } else {
-                            Context.SetStatus(Context::csInitialization);
-                        }
-                    }
-
-                    pConnection->CloseConnection(true);
-                }
-
-                return true;
-            };
-
-            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
-                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
-                if (pConnection != nullptr) {
-                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
-                    if (pClient != nullptr) {
-                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
-                    }
-                    DebugReply(pConnection->Reply());
-                }
-
-                Context.SetStatus(Context::csInitialization);
-            };
-
-            Context.SetStatus(Context::csPreparing);
-
-            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
-
-            pClient->OnRequest(OnRequest);
-            pClient->OnExecute(OnExecute);
-            pClient->OnException(OnException);
-
-            pClient->AutoFree(true);
-            pClient->Active(true);
-        }
-        //--------------------------------------------------------------------------------------------------------------
-
-        void CWebService::UpdateOAuth2(const CString &FileName) {
-            for (int i = 0; i < m_Servers.Count(); i++) {
-                auto &Context = m_Servers[i].Value();
-                if (Context.Status() == Context::csInitialization || Context.Status() == Context::csPreparing) {
-                    if (LoadOAuth2(FileName, Context.Providers())) {
-                        Context.SetStatus(Context::csInitialized);
-                        Context.SetCheckDate(0);
-                    } else {
-                        if (Context.Status() != Context::csPreparing) {
-                            FetchOAuth2(Context);
-                        }
-                    }
-                }
-            }
-        }
-        //--------------------------------------------------------------------------------------------------------------
-
-        bool CWebService::LoadOAuth2(const CString &FileName, CProviders &Providers) {
-            const auto &caProviderName = CString(SYSTEM_PROVIDER_NAME);
-            const auto &caApplicationName = CString(SERVICE_APPLICATION_NAME);
-
-            if (FileExists(FileName.c_str())) {
-                CJSONObject Json;
-                Json.LoadFromFile(FileName.c_str());
-
-                int index = Providers.IndexOfName(caProviderName);
-                if (index == -1)
-                    index = Providers.AddPair(caProviderName, CProvider(caProviderName));
-                auto& Provider = Providers[index].Value();
-                Provider.Applications().AddPair(caApplicationName, Json);
-
-                return true;
-            }
-
-            return false;
-        }
-        //--------------------------------------------------------------------------------------------------------------
-
         void CWebService::CheckKeyForNull(LPCTSTR Key, LPCTSTR Value) {
             if (Value == nullptr)
                 throw ExceptionFrm("Invalid format: key \"%s\" cannot be empty.", Key);
         }
         //--------------------------------------------------------------------------------------------------------------
 
+        void CWebService::UpdateOAuth2(CContext &Context, const CJSONObject &OAuth2) {
+            if (OAuth2["type"].AsString() == "service_account") {
+                UpdateProviders(Context.Providers(), OAuth2);
+
+                Context.SetCheckDate(0);
+                Context.SetStatus(Context::csInitialized);
+            }
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebService::UpdateProviders(CProviders &Providers, const CJSONObject &Data) {
+            const auto &caProviderName = CString(SYSTEM_PROVIDER_NAME);
+            const auto &caApplicationName = CString(SERVICE_APPLICATION_NAME);
+
+            int index = Providers.IndexOfName(caProviderName);
+            if (index == -1)
+                index = Providers.AddPair(caProviderName, CProvider(caProviderName));
+            auto& Provider = Providers[index].Value();
+            Provider.Applications().AddPair(caApplicationName, Data);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
         bool CWebService::FindURLInLine(const CString &Line, CStringList &List) {
             CString URL;
 
@@ -726,7 +634,7 @@ namespace Apostol {
                     sPayload = caClearText.Text();
                 } else {
                     Apostol::PGP::CleartextSignature(
-                            m_pgpPrivateKey,
+                            m_pgpModuleKey,
                             m_pgpPassphrase,
                             BPS_PGP_HASH,
                             caClearText.Text(),
@@ -1174,7 +1082,7 @@ namespace Apostol {
                     sPayload = caClearText;
                 } else {
                     Apostol::PGP::CleartextSignature(
-                            m_pgpPrivateKey,
+                            m_pgpModuleKey,
                             m_pgpPassphrase,
                             BPS_PGP_HASH,
                             caClearText,
@@ -1612,7 +1520,7 @@ namespace Apostol {
 
         void CWebService::FetchPGP(CContext &Context) {
 
-            Log()->Debug(APP_LOG_DEBUG_CORE, "Trying to fetch a PGP key \"%s\" from: %s", Context.Name().c_str(), Context.URL().Origin().c_str());
+            Log()->Notice("[%s] [%s] Trying to fetch a PGP key.", Context.Name().c_str(), Context.URL().Origin().c_str());
 
             auto OnRequest = [&Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
 
@@ -1699,28 +1607,348 @@ namespace Apostol {
         }
         //--------------------------------------------------------------------------------------------------------------
 
+        void CWebService::ModuleService(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying to fetch a OAuth2 configuration file.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csPreparing);
+
+                ARequest->ContentType = CHTTPRequest::text;
+
+                Apostol::PGP::CleartextSignature(
+                        m_pgpModuleKey,
+                        m_pgpPassphrase,
+                        BPS_PGP_HASH,
+                        Context.Name(),
+                        ARequest->Content);
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/service");
+
+                const auto &caModuleAddress = m_Module["address"];
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [&Context](CTCPConnection *AConnection) {
+
+                Context.SetStatus(Context::csInitialization);
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        const CJSON OAuth2(pReply->Content);
+                        UpdateOAuth2(Context, OAuth2.Object());
+                    }
+
+                    pConnection->CloseConnection(true);
+                }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialization);
+            };
+
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebService::ModuleStatus(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying get module status.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csInProgress);
+
+                const auto &caModuleAddress = m_Module["address"];
+
+                ARequest->ContentType = CHTTPRequest::text;
+
+                ARequest->Content.Format(R"({"address": "%s"})", caModuleAddress.c_str());
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/status");
+
+                ARequest->AddHeader("Authorization", "Bearer " + Context.Tokens()["access_token"]);
+
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [this, &Context](CTCPConnection *AConnection) {
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        ModuleAuthorize(Context);
+                    } else {
+                        ModuleNew(Context);
+                    }
+
+                    pConnection->CloseConnection(true);
+                }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialized);
+            };
+
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebService::ModuleNew(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying create new module.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csInProgress);
+
+                ARequest->ContentType = CHTTPRequest::json;
+
+                const auto &caModuleAddress = m_Module["address"];
+
+                CJSON Json(jvtObject);
+
+                Json.Object().AddPair("address", caModuleAddress);
+                Json.Object().AddPair("bitmessage", Context.Name());
+
+                const OpenPGP::SecretKey pgpSecret(m_pgpModuleKey.c_str());
+                const auto &public_key = pgpSecret.get_public();
+
+                Json.Object().AddPair("pgp", public_key.write(OpenPGP::PGP::Armored::YES));
+
+                ARequest->Content = Json.ToString();
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/client/new");
+
+                ARequest->AddHeader("Authorization", "Bearer " + Context.Tokens()["access_token"]);
+
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [this, &Context](CTCPConnection *AConnection) {
+
+                Context.SetStatus(Context::csInitialized);
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        const CJSON Json(pReply->Content);
+
+                        if (Json.HasOwnProperty("result")) {
+                            const auto &caResult = Json["result"];
+                            if (caResult.HasOwnProperty("success")) {
+                                if (caResult["success"].AsBoolean()) {
+                                    ModuleAuthorize(Context);
+                                } else {
+                                    if (caResult.HasOwnProperty("message")) {
+                                        Log()->Error(APP_LOG_EMERG, 0, "[%s] [%s] %s", Context.Name().c_str(),
+                                                     Context.URL().Origin().c_str(), caResult["message"].AsString().c_str());
+                                    }
+                                }
+                            }
+                        }
+                    }
+
+                    pConnection->CloseConnection(true);
+                }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialized);
+            };
+
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebService::ModuleAuthorize(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying authorize module.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csAuthorization);
+
+                ARequest->ContentType = CHTTPRequest::text;
+
+                Apostol::PGP::CleartextSignature(
+                        m_pgpModuleKey,
+                        m_pgpPassphrase,
+                        BPS_PGP_HASH,
+                        Context.Name(),
+                        ARequest->Content);
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/authorize");
+
+                ARequest->AddHeader("Authorization", "Bearer " + Context.Tokens()["access_token"]);
+
+                const auto &caModuleAddress = m_Module["address"];
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [&Context](CTCPConnection *AConnection) {
+
+                Context.SetStatus(Context::csInitialized);
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        const CJSON Json(pReply->Content);
+
+                        Context.Session() = Json["session"].AsString();
+                        Context.Secret() = Json["secret"].AsString();
+
+                        Context.Tokens().Values("access_token", Json["access_token"].AsString());
+
+                        Context.SetFixedDate(0);
+                        Context.SetCheckDate(Now() + (CDateTime) 55 / MinsPerDay); // 55 min
+
+                        Context.SetStatus(csAuthorized);
+                    }
+
+                    pConnection->CloseConnection(true);
+                }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialized);
+            };
+
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
         void CWebService::Reload() {
             Config()->IniFile().ReadSectionValues("module", &m_Module);
 
-            m_OAuth2 = Config()->IniFile().ReadString(CONFIG_SECTION_NAME, "oauth2", "oauth2/service.json");
-            if (!path_separator(m_OAuth2.front())) {
-                m_OAuth2 = Config()->Prefix() + m_OAuth2;
+            CString FileName;
+
+            FileName = Config()->IniFile().ReadString(CONFIG_SECTION_NAME, "oauth2", "oauth2/service.json");
+            if (!path_separator(FileName.front())) {
+                FileName = Config()->Prefix() + FileName;
             }
 
-            const auto& caPrivateKey = Config()->IniFile().ReadString("pgp", "private", "module.sec");
-            const auto& caPublicKey = Config()->IniFile().ReadString("pgp", "public", "dm.pub");
+            if (FileExists(FileName.c_str())) {
+                m_OAuth2.LoadFromFile(FileName.c_str());
+            }
+
+            const auto &caPrivateKey = Config()->IniFile().ReadString("pgp", "private", "module.sec");
+            const auto &caPublicKey = Config()->IniFile().ReadString("pgp", "public", "dm.pub");
 
             m_pgpPassphrase = Config()->IniFile().ReadString("pgp", "passphrase", "");
 
             if (FileExists(caPrivateKey.c_str())) {
-                m_pgpPrivateKey.LoadFromFile(caPrivateKey.c_str());
+                m_pgpModuleKey.LoadFromFile(caPrivateKey.c_str());
 
                 if (FileExists(caPublicKey.c_str())) {
-                    CString Key;
-                    Key.LoadFromFile(caPublicKey.c_str());
-
-                    UpdateServerList(Key);
-                    UpdateOAuth2(m_OAuth2);
+                    m_pgpPublicKey.LoadFromFile(caPublicKey.c_str());
+                    UpdateServerList(m_pgpPublicKey);
                 } else {
                     Log()->Error(APP_LOG_WARN, 0, APP_FILE_NOT_FOUND, caPublicKey.c_str());
                 }
@@ -1734,23 +1962,21 @@ namespace Apostol {
             for (int i = 0; i < m_Servers.Count(); i++) {
                 auto &Context = m_Servers[i].Value();
 
-                if ((Now >= Context.CheckDate()) && (Context.Status() == Context::csInitialization)) {
-                    Context.SetCheckDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
-                    FetchOAuth2(Context);
-                }
-
-                if ((Now >= Context.CheckDate()) && (Context.Status() >= Context::csInitialized)) {
+                if (Now >= Context.CheckDate()) {
                     Context.SetCheckDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
 
-                    if (Context.Status() == Context::csInitialized)
-                        Context.SetStatus(Context::csAuthorization);
+                    if (Context.Status() == Context::csInitialization) {
+                        ModuleService(Context);
+                    }
 
-                    CheckProviders(Now, Context);
-                    FetchProviders(Now, Context);
+                    if (Context.Status() >= Context::csInitialized) {
+                        CheckProviders(Now, Context);
+                        FetchProviders(Now, Context);
+                    }
                 }
 
-                if (Context.Status() == Context::csAuthorized) {
-                    if (Now >= Context.FixedDate()) {
+                if (Now >= Context.FixedDate()) {
+                    if (Context.Status() == Context::csAuthorized) {
                         Context.SetFixedDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
                         Context.SetStatus(Context::csInProgress);
 
diff --git a/src/modules/Workers/WebService/WebService.hpp b/src/modules/Workers/WebService/WebService.hpp
index b219944..65edbcd 100644
--- a/src/modules/Workers/WebService/WebService.hpp
+++ b/src/modules/Workers/WebService/WebService.hpp
@@ -42,11 +42,11 @@ namespace Apostol {
 
             CStringList m_Module;
 
-            CString m_OAuth2;
-            CString m_pgpPrivateKey;
-            CString m_pgpPassphrase;
+            CJSON m_OAuth2;
 
-            int m_ServerIndex;
+            CString m_pgpModuleKey;
+            CString m_pgpPublicKey;
+            CString m_pgpPassphrase;
 
             CProcessStatus m_Status;
 
@@ -65,17 +65,19 @@ namespace Apostol {
 
             void InitServerList();
             void UpdateServerList(const CString &Key);
-            void UpdateOAuth2(const CString &FileName);
 
             void FetchProviders(CDateTime Now, CContext &Context);
             void CheckProviders(CDateTime Now, CContext &Context);
 
             void CreateAccessToken(const CProvider &Provider, const CString &Application, CContext &Context);
             void ParsePGPKey(const CString& Key, CStringPairs& ServerList, CStringList& BTCKeys);
-
-            void FetchOAuth2(CContext &Context);
             void FetchPGP(CContext &Context);
 
+            void ModuleService(CContext &Context);
+            void ModuleStatus(CContext &Context);
+            void ModuleNew(CContext &Context);
+            void ModuleAuthorize(CContext &Context);
+
         protected:
 
             CHTTPProxy *GetProxy(CHTTPServerConnection *AConnection);
@@ -130,6 +132,8 @@ namespace Apostol {
             static int VerifyPGPSignature(const CString &ClearText, const CString &Key, CString &Message);
 
             static bool FindURLInLine(const CString &Line, CStringList &List);
+            static void UpdateOAuth2(CContext &Context, const CJSONObject &OAuth2);
+            static void UpdateProviders(CProviders &Providers, const CJSONObject &Data);
             static bool LoadOAuth2(const CString &FileName, CProviders &Providers);
         };
     }
diff --git a/src/modules/Workers/WebSocket/WebSocket.cpp b/src/modules/Workers/WebSocket/WebSocket.cpp
index 32ee82f..3fa27bf 100644
--- a/src/modules/Workers/WebSocket/WebSocket.cpp
+++ b/src/modules/Workers/WebSocket/WebSocket.cpp
@@ -125,29 +125,31 @@ namespace Apostol {
                     Context.PGP().Name = "PUBLIC";
                     Context.PGP().Key = Key;
                     Context.BTCKeys() = Keys;
+
+                    UpdateOAuth2(Context, m_OAuth2.Object());
                 }
             }
         }
         //--------------------------------------------------------------------------------------------------------------
 
-        void CWebSocketModule::FetchOAuth2(CContext &Context) {
+        void CWebSocketModule::ModuleStatus(CContext &Context) {
 
-            Log()->Debug(APP_LOG_DEBUG_CORE, "Trying to fetch a OAuth2 configuration file for module \"%s\" from: %s", Context.Name().c_str(), Context.URL().Origin().c_str());
+            Log()->Notice("[%s] [%s] Trying get module status.", Context.Name().c_str(), Context.URL().Origin().c_str());
 
             auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
 
-                ARequest->ContentType = CHTTPRequest::text;
-
-                Apostol::PGP::CleartextSignature(
-                        m_pgpPrivateKey,
-                        m_pgpPassphrase,
-                        BPS_PGP_HASH,
-                        Context.Name(),
-                        ARequest->Content);
-
-                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/service");
+                Context.SetStatus(Context::csInProgress);
 
                 const auto &caModuleAddress = m_Module["address"];
+
+                ARequest->ContentType = CHTTPRequest::text;
+
+                ARequest->Content.Format(R"({"address": "%s"})", caModuleAddress.c_str());
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/status");
+
+                ARequest->AddHeader("Authorization", "Bearer " + Context.Tokens()["access_token"]);
+
                 if (!caModuleAddress.IsEmpty())
                     ARequest->AddHeader("Module-Address", caModuleAddress);
 
@@ -163,14 +165,82 @@ namespace Apostol {
 
                     DebugReply(pReply);
 
-                    if (Context.Status() == Context::csPreparing) {
-                        if (pReply->Status == CHTTPReply::ok) {
-                            const CJSON Json(pReply->Content);
-                            Json.SaveToFile(m_OAuth2.c_str());
-                            UpdateOAuth2(m_OAuth2);
-                        } else {
-                            Context.SetStatus(Context::csInitialization);
-                        }
+                    if (pReply->Status == CHTTPReply::ok) {
+                        ModuleAuthorize(Context);
+                    } else {
+                        ModuleNew(Context);
+                    }
+
+                    pConnection->CloseConnection(true);
+                }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialized);
+            };
+
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebSocketModule::ModuleService(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying to fetch a OAuth2 configuration file.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csPreparing);
+
+                ARequest->ContentType = CHTTPRequest::text;
+
+                Apostol::PGP::CleartextSignature(
+                        m_pgpModuleKey,
+                        m_pgpPassphrase,
+                        BPS_PGP_HASH,
+                        Context.Name(),
+                        ARequest->Content);
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/service");
+
+                const auto &caModuleAddress = m_Module["address"];
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [&Context](CTCPConnection *AConnection) {
+
+                Context.SetStatus(Context::csInitialization);
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        const CJSON OAuth2(pReply->Content);
+                        UpdateOAuth2(Context, OAuth2.Object());
                     }
 
                     pConnection->CloseConnection(true);
@@ -192,7 +262,98 @@ namespace Apostol {
                 Context.SetStatus(Context::csInitialization);
             };
 
-            Context.SetStatus(Context::csPreparing);
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebSocketModule::ModuleNew(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying create new module.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csInProgress);
+
+                ARequest->ContentType = CHTTPRequest::json;
+
+                const auto &caModuleAddress = m_Module["address"];
+
+                CJSON Json(jvtObject);
+
+                Json.Object().AddPair("address", caModuleAddress);
+                Json.Object().AddPair("bitmessage", Context.Name());
+
+                const OpenPGP::SecretKey pgpSecret(m_pgpModuleKey.c_str());
+                const auto &public_key = pgpSecret.get_public();
+
+                Json.Object().AddPair("pgp", public_key.write(OpenPGP::PGP::Armored::YES));
+
+                ARequest->Content = Json.ToString();
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/client/new");
+
+                ARequest->AddHeader("Authorization", "Bearer " + Context.Tokens()["access_token"]);
+
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [this, &Context](CTCPConnection *AConnection) {
+
+                Context.SetStatus(Context::csInitialized);
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        const CJSON Json(pReply->Content);
+
+                        if (Json.HasOwnProperty("result")) {
+                            const auto &caResult = Json["result"];
+                            if (caResult.HasOwnProperty("success")) {
+                                if (caResult["success"].AsBoolean()) {
+                                    ModuleAuthorize(Context);
+                                } else {
+                                    if (caResult.HasOwnProperty("message")) {
+                                        Log()->Error(APP_LOG_EMERG, 0, "[%s] [%s] %s", Context.Name().c_str(),
+                                                     Context.URL().Origin().c_str(), caResult["message"].AsString().c_str());
+                                    }
+                                }
+                            }
+                        }
+                    }
+
+                    pConnection->CloseConnection(true);
+                }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialized);
+            };
 
             auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
 
@@ -205,41 +366,108 @@ namespace Apostol {
         }
         //--------------------------------------------------------------------------------------------------------------
 
-        void CWebSocketModule::UpdateOAuth2(const CString &FileName) {
-            for (int i = 0; i < m_Servers.Count(); i++) {
-                auto &Context = m_Servers[i].Value();
-                if (Context.Status() == Context::csInitialization || Context.Status() == Context::csPreparing) {
-                    if (LoadOAuth2(FileName, Context.Providers())) {
-                        Context.SetStatus(Context::csInitialized);
-                        Context.SetCheckDate(0);
-                    } else {
-                        if (Context.Status() != Context::csPreparing) {
-                            FetchOAuth2(Context);
-                        }
+        void CWebSocketModule::ModuleAuthorize(CContext &Context) {
+
+            Log()->Notice("[%s] [%s] Trying authorize module.", Context.Name().c_str(), Context.URL().Origin().c_str());
+
+            auto OnRequest = [this, &Context](CHTTPClient *Sender, CHTTPRequest *ARequest) {
+
+                Context.SetStatus(Context::csAuthorization);
+
+                ARequest->ContentType = CHTTPRequest::text;
+
+                Apostol::PGP::CleartextSignature(
+                        m_pgpModuleKey,
+                        m_pgpPassphrase,
+                        BPS_PGP_HASH,
+                        Context.Name(),
+                        ARequest->Content);
+
+                CHTTPRequest::Prepare(ARequest, "POST", "/api/v1/dm/authorize");
+
+                ARequest->AddHeader("Authorization", "Bearer " + Context.Tokens()["access_token"]);
+
+                const auto &caModuleAddress = m_Module["address"];
+                if (!caModuleAddress.IsEmpty())
+                    ARequest->AddHeader("Module-Address", caModuleAddress);
+
+                DebugRequest(ARequest);
+            };
+
+            auto OnExecute = [&Context](CTCPConnection *AConnection) {
+
+                Context.SetStatus(Context::csInitialized);
+
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+
+                if (pConnection != nullptr) {
+                    auto pReply = pConnection->Reply();
+
+                    DebugReply(pReply);
+
+                    if (pReply->Status == CHTTPReply::ok) {
+                        const CJSON Json(pReply->Content);
+
+                        Context.Session() = Json["session"].AsString();
+                        Context.Secret() = Json["secret"].AsString();
+
+                        Context.Tokens().Values("access_token", Json["access_token"].AsString());
+
+                        Context.SetFixedDate(0);
+                        Context.SetCheckDate(Now() + (CDateTime) 55 / MinsPerDay); // 55 min
+
+                        Context.SetStatus(csAuthorized);
                     }
+
+                    pConnection->CloseConnection(true);
                 }
+
+                return true;
+            };
+
+            auto OnException = [&Context](CTCPConnection *AConnection, const Delphi::Exception::Exception &E) {
+                auto pConnection = dynamic_cast<CHTTPClientConnection *> (AConnection);
+                if (pConnection != nullptr) {
+                    auto pClient = dynamic_cast<CHTTPClient *> (pConnection->Client());
+                    if (pClient != nullptr) {
+                        Log()->Error(APP_LOG_EMERG, 0, "[%s:%d] %s", pClient->Host().c_str(), pClient->Port(), E.what());
+                    }
+                    DebugReply(pConnection->Reply());
+                }
+
+                Context.SetStatus(Context::csInitialized);
+            };
+
+            auto pClient = GetClient(Context.URL().hostname, Context.URL().port == 0 ? BPS_SERVER_PORT : Context.URL().port);
+
+            pClient->OnRequest(OnRequest);
+            pClient->OnExecute(OnExecute);
+            pClient->OnException(OnException);
+
+            pClient->AutoFree(true);
+            pClient->Active(true);
+        }
+        //--------------------------------------------------------------------------------------------------------------
+
+        void CWebSocketModule::UpdateOAuth2(CContext &Context, const CJSONObject &OAuth2) {
+            if (OAuth2["type"].AsString() == "service_account") {
+                UpdateProviders(Context.Providers(), OAuth2);
+
+                Context.SetCheckDate(0);
+                Context.SetStatus(Context::csInitialized);
             }
         }
         //--------------------------------------------------------------------------------------------------------------
 
-        bool CWebSocketModule::LoadOAuth2(const CString &FileName, CProviders &Providers) {
+        void CWebSocketModule::UpdateProviders(CProviders &Providers, const CJSONObject &Data) {
             const auto &caProviderName = CString(SYSTEM_PROVIDER_NAME);
             const auto &caApplicationName = CString(SERVICE_APPLICATION_NAME);
 
-            if (FileExists(FileName.c_str())) {
-                CJSONObject Json;
-                Json.LoadFromFile(FileName.c_str());
-
-                int index = Providers.IndexOfName(caProviderName);
-                if (index == -1)
-                    index = Providers.AddPair(caProviderName, CProvider(caProviderName));
-                auto& Provider = Providers[index].Value();
-                Provider.Applications().AddPair(caApplicationName, Json);
-
-                return true;
-            }
-
-            return false;
+            int index = Providers.IndexOfName(caProviderName);
+            if (index == -1)
+                index = Providers.AddPair(caProviderName, CProvider(caProviderName));
+            auto& Provider = Providers[index].Value();
+            Provider.Applications().AddPair(caApplicationName, Data);
         }
         //--------------------------------------------------------------------------------------------------------------
 
@@ -355,9 +583,7 @@ namespace Apostol {
                 pClient->Active(true);
 
                 Context.SetFixedDate(0);
-
-                if (Context.Status() == Context::csInProgress)
-                    Context.SetStatus(csRunning);
+                Context.SetStatus(csRunning);
             } catch (std::exception &e) {
                 Log()->Error(APP_LOG_ERR, 0, e.what());
             }
@@ -425,7 +651,7 @@ namespace Apostol {
 
         void CWebSocketModule::CreateAccessToken(const CProvider &Provider, const CString &Application, CClientContext &Context) {
 
-            auto OnDone = [&Context](CTCPConnection *Sender) {
+            auto OnDone = [this, &Context](CTCPConnection *Sender) {
 
                 auto pConnection = dynamic_cast<CHTTPClientConnection *> (Sender);
                 auto pReply = pConnection->Reply();
@@ -435,14 +661,12 @@ namespace Apostol {
                 if (pReply->Status == CHTTPReply::ok) {
                     const CJSON Json(pReply->Content);
 
-                    if (Context.Status() == Context::csAuthorization)
-                        Context.SetStatus(csAuthorized);
-
                     Context.Session() = Json["session"].AsString();
                     Context.Secret() = Json["secret"].AsString();
 
-                    Context.SetFixedDate(0);
-                    Context.SetCheckDate(Now() + (CDateTime) 55 / MinsPerDay); // 55 min
+                    Context.Tokens().Values("access_token", Json["access_token"].AsString());
+
+                    ModuleStatus(Context);
                 }
 
                 return true;
@@ -639,7 +863,6 @@ namespace Apostol {
 
             if (Response.Payload.HasOwnProperty("data")) {
                 UpdateServerList(Response.Payload["data"].AsString());
-                UpdateOAuth2(m_OAuth2);
             }
         }
         //--------------------------------------------------------------------------------------------------------------
@@ -863,7 +1086,7 @@ namespace Apostol {
                     sPayload = caClearText.Text();
                 } else {
                     Apostol::PGP::CleartextSignature(
-                            m_pgpPrivateKey,
+                            m_pgpModuleKey,
                             m_pgpPassphrase,
                             BPS_PGP_HASH,
                             caClearText.Text(),
@@ -1260,7 +1483,7 @@ namespace Apostol {
                     sPayload = caClearText;
                 } else {
                     Apostol::PGP::CleartextSignature(
-                            m_pgpPrivateKey,
+                            m_pgpModuleKey,
                             m_pgpPassphrase,
                             BPS_PGP_HASH,
                             caClearText,
@@ -1517,34 +1740,27 @@ namespace Apostol {
             for (int i = 0; i < m_Servers.Count(); i++) {
                 auto &Context = m_Servers[i].Value();
 
-                if ((Now >= Context.CheckDate()) && (Context.Status() == Context::csInitialization)) {
-                    Context.SetCheckDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
-                    FetchOAuth2(Context);
-                }
-
-                if ((Now >= Context.CheckDate()) && (Context.Status() >= Context::csInitialized)) {
+                if (Now >= Context.CheckDate()) {
                     Context.SetCheckDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
 
-                    if (Context.Status() == Context::csInitialized)
-                        Context.SetStatus(Context::csAuthorization);
+                    if (Context.Status() == Context::csInitialization) {
+                        ModuleService(Context);
+                    }
 
-                    CheckProviders(Now, Context);
-                    FetchProviders(Now, Context);
-                }
-
-                if (Context.Status() == Context::csAuthorized) {
-                    if (Now >= Context.FixedDate()) {
-                        Context.SetFixedDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
-                        Context.SetStatus(Context::csInProgress);
-
-                        CreateWebSocketClient(Context);
+                    if (Context.Status() >= Context::csInitialized) {
+                        CheckProviders(Now, Context);
+                        FetchProviders(Now, Context);
                     }
                 }
 
-                if (Context.Status() == Context::csRunning) {
-                    if (Now >= Context.FixedDate()) {
-                        Context.SetFixedDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
+                if (Now >= Context.FixedDate()) {
+                    Context.SetFixedDate(Now + (CDateTime) 30 / SecsPerDay); // 30 sec
 
+                    if (Context.Status() == Context::csAuthorized) {
+                        CreateWebSocketClient(Context);
+                    }
+
+                    if (Context.Status() == Context::csRunning) {
                         for (int j = 0; j < Context.ClientManager().Count(); ++j) {
                             auto pClient = Context.ClientManager()[j];
 
@@ -1552,7 +1768,10 @@ namespace Apostol {
                                 pClient->Active(true);
 
                             if (!pClient->Connected() && !pClient->Session().IsEmpty()) {
-                                Log()->Notice(_T("[%s] Trying connect to %s."), pClient->Session().c_str(), pClient->URI().href().c_str());
+                                Log()->Notice(_T("[%s] [%s] [%s] Trying to establish a connection."),
+                                              Context.Name().c_str(),
+                                              Context.URL().Origin().c_str(),
+                                              pClient->Session().c_str());
                                 pClient->ConnectStart();
                             }
                         }
@@ -1565,9 +1784,15 @@ namespace Apostol {
         void CWebSocketModule::Reload() {
             Config()->IniFile().ReadSectionValues("module", &m_Module);
 
-            m_OAuth2 = Config()->IniFile().ReadString(CONFIG_SECTION_NAME, "oauth2", "oauth2/service.json");
-            if (!path_separator(m_OAuth2.front())) {
-                m_OAuth2 = Config()->Prefix() + m_OAuth2;
+            CString FileName;
+
+            FileName = Config()->IniFile().ReadString(CONFIG_SECTION_NAME, "oauth2", "oauth2/service.json");
+            if (!path_separator(FileName.front())) {
+                FileName = Config()->Prefix() + FileName;
+            }
+
+            if (FileExists(FileName.c_str())) {
+                m_OAuth2.LoadFromFile(FileName.c_str());
             }
 
             const auto &caPrivateKey = Config()->IniFile().ReadString("pgp", "private", "module.sec");
@@ -1576,14 +1801,11 @@ namespace Apostol {
             m_pgpPassphrase = Config()->IniFile().ReadString("pgp", "passphrase", "");
 
             if (FileExists(caPrivateKey.c_str())) {
-                m_pgpPrivateKey.LoadFromFile(caPrivateKey.c_str());
+                m_pgpModuleKey.LoadFromFile(caPrivateKey.c_str());
 
                 if (FileExists(caPublicKey.c_str())) {
-                    CString Key;
-                    Key.LoadFromFile(caPublicKey.c_str());
-
-                    UpdateServerList(Key);
-                    UpdateOAuth2(m_OAuth2);
+                    m_pgpPublicKey.LoadFromFile(caPublicKey.c_str());
+                    UpdateServerList(m_pgpPublicKey);
                 } else {
                     Log()->Error(APP_LOG_WARN, 0, APP_FILE_NOT_FOUND, caPublicKey.c_str());
                 }
diff --git a/src/modules/Workers/WebSocket/WebSocket.hpp b/src/modules/Workers/WebSocket/WebSocket.hpp
index d24fa90..999d04c 100644
--- a/src/modules/Workers/WebSocket/WebSocket.hpp
+++ b/src/modules/Workers/WebSocket/WebSocket.hpp
@@ -69,8 +69,10 @@ namespace Apostol {
 
             CStringList m_Module;
 
-            CString m_OAuth2;
-            CString m_pgpPrivateKey;
+            CJSON m_OAuth2;
+
+            CString m_pgpModuleKey;
+            CString m_pgpPublicKey;
             CString m_pgpPassphrase;
 
             int m_SyncPeriod;
@@ -83,7 +85,6 @@ namespace Apostol {
 
             void InitServerList();
             void UpdateServerList(const CString &Key);
-            void UpdateOAuth2(const CString &FileName);
 
             void FetchProviders(CDateTime Now, CClientContext &Context);
             void CheckProviders(CDateTime Now, CClientContext &Context);
@@ -94,7 +95,10 @@ namespace Apostol {
             CWebSocketClient *GetWebSocketClient(CClientContext &Context);
             void CreateWebSocketClient(CClientContext &Context);
 
-            void FetchOAuth2(CContext &Context);
+            void ModuleService(CContext &Context);
+            void ModuleStatus(CContext &Context);
+            void ModuleNew(CContext &Context);
+            void ModuleAuthorize(CContext &Context);
 
             static CWebSocketClient *GetConnectedClient(const CClientContext &Context);
 
@@ -147,12 +151,14 @@ namespace Apostol {
             void Reload();
 
             static CString ToString(unsigned long Value);
+
             static int CheckFee(const CString& Fee);
             static void CheckDeal(const CDeal& Deal);
             static void CheckKeyForNull(LPCTSTR key, const CString& Value);
 
             static bool FindURLInLine(const CString &Line, CStringList &List);
-            static bool LoadOAuth2(const CString &FileName, CProviders &Providers);
+            static void UpdateOAuth2(CContext &Context, const CJSONObject &OAuth2);
+            static void UpdateProviders(CProviders &Providers, const CJSONObject &Data);
         };
     }
 }