diff --git a/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp b/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp
index 81303161a..69c12cc87 100644
--- a/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp
+++ b/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp
@@ -29,6 +29,10 @@ Poco::JSON::Object* JsonCreateTransaction::handle(Poco::Dynamic::Var params)
 			paramJsonObject->get("transaction_type").convert(transaction_type);
 			paramJsonObject->get("blockchain_type").convert(blockchain_type);
 			paramJsonObject->get("memo").convert(mMemo);
+			auto auto_sign = paramJsonObject->get("auto_sign");
+			if (!auto_sign.isEmpty()) {
+				auto_sign.convert(mAutoSign);
+			}
 		}
 		catch (Poco::Exception& ex) {
 			return stateError("json exception", ex.displayText());
@@ -118,7 +122,22 @@ Poco::JSON::Object* JsonCreateTransaction::transfer(Poco::Dynamic::Var params)
 		}
 	}
 	if (!result) {
-		model::gradido::Transaction::createTransfer(mSession->getNewUser(), target_pubkey, mTargetGroup, amount, mMemo, mBlockchainType);
+		auto transactions = model::gradido::Transaction::createTransfer(mSession->getNewUser(), target_pubkey, mTargetGroup, amount, mMemo, mBlockchainType);
+
+		if (mAutoSign) {
+			Poco::JSON::Array errors;
+			for (auto it = transactions.begin(); it != transactions.end(); it++) {
+				(*it)->sign(user);
+				if ((*it)->errorCount() > 0) {
+					errors.add((*it)->getErrorsArray());
+				}
+			}
+
+			if (errors.size() > 0) {
+				return stateError("error by signing transaction", errors);
+			}
+		}
+		
 		result = stateSuccess();
 	}
 	mm->releaseMemory(target_pubkey);
@@ -184,7 +203,13 @@ Poco::JSON::Object* JsonCreateTransaction::creation(Poco::Dynamic::Var params)
 	}
 	
 	if(!result) {
-		model::gradido::Transaction::createCreation(mReceiverUser, amount, target_date, mMemo, mBlockchainType);
+		auto transaction = model::gradido::Transaction::createCreation(mReceiverUser, amount, target_date, mMemo, mBlockchainType);
+		if (mAutoSign) {
+			if (!transaction->sign(mSession->getNewUser())) {
+				return stateError("error by signing transaction", transaction);
+			}
+		}
+		
 		result = stateSuccess();
 	}
 	mm->releaseMemory(target_pubkey);
@@ -200,7 +225,12 @@ Poco::JSON::Object* JsonCreateTransaction::groupMemberUpdate(Poco::Dynamic::Var
 	if (mTargetGroup.isNull()) {
 		return stateError("target_group not found");
 	}
-	model::gradido::Transaction::createGroupMemberUpdate(mSession->getNewUser(), mTargetGroup);
+	auto transaction = model::gradido::Transaction::createGroupMemberUpdate(mSession->getNewUser(), mTargetGroup);
+	if (mAutoSign) {
+		if (!transaction->sign(mSession->getNewUser())) {
+			return stateError("error by signing transaction", transaction);
+		}
+	}
 	return stateSuccess();
 
 }
diff --git a/login_server/src/cpp/JSONInterface/JsonCreateTransaction.h b/login_server/src/cpp/JSONInterface/JsonCreateTransaction.h
index b35438077..d4e42dca4 100644
--- a/login_server/src/cpp/JSONInterface/JsonCreateTransaction.h
+++ b/login_server/src/cpp/JSONInterface/JsonCreateTransaction.h
@@ -9,7 +9,7 @@
 class JsonCreateTransaction : public JsonRequestHandler
 {
 public:
-	JsonCreateTransaction() : mSession(nullptr) {}
+	JsonCreateTransaction() : mSession(nullptr), mAutoSign(false) {}
 	Poco::JSON::Object* handle(Poco::Dynamic::Var params);
 	
 protected:
@@ -24,6 +24,8 @@ protected:
 	Poco::AutoPtr<controller::Group> mTargetGroup;
 	Poco::AutoPtr<controller::User> mReceiverUser;
 	model::gradido::BlockchainType mBlockchainType;
+	//! if set to true, transaction will be direct signed by user which belong to session
+	bool mAutoSign;
 
 };
 
diff --git a/login_server/src/cpp/JSONInterface/JsonRequestHandler.cpp b/login_server/src/cpp/JSONInterface/JsonRequestHandler.cpp
index 84f676124..3156015c9 100644
--- a/login_server/src/cpp/JSONInterface/JsonRequestHandler.cpp
+++ b/login_server/src/cpp/JSONInterface/JsonRequestHandler.cpp
@@ -133,6 +133,26 @@ Poco::JSON::Object* JsonRequestHandler::stateError(const char* msg, std::string
 	}
 	return result;
 }
+Poco::JSON::Object* JsonRequestHandler::stateError(const char* msg, const Poco::JSON::Array& details)
+{
+	Poco::JSON::Object* result = new Poco::JSON::Object;
+	result->set("state", "error");
+	result->set("msg", msg);
+	result->set("details", details);
+
+	return result;
+}
+
+Poco::JSON::Object* JsonRequestHandler::stateError(const char* msg, NotificationList* errorReciver)
+{
+	assert(errorReciver);
+	Poco::JSON::Object* result = new Poco::JSON::Object;
+	result->set("state", "error");
+	result->set("msg", msg);
+	result->set("details", errorReciver->getErrorsArray());
+
+	return result;
+}
 
 Poco::JSON::Object* JsonRequestHandler::stateSuccess()
 {
diff --git a/login_server/src/cpp/JSONInterface/JsonRequestHandler.h b/login_server/src/cpp/JSONInterface/JsonRequestHandler.h
index 18b79a206..ed0272ac8 100644
--- a/login_server/src/cpp/JSONInterface/JsonRequestHandler.h
+++ b/login_server/src/cpp/JSONInterface/JsonRequestHandler.h
@@ -3,6 +3,7 @@
 
 #include "Poco/Net/HTTPRequestHandler.h"
 #include "Poco/JSON/Object.h"
+#include "Poco/JSON/Array.h"
 #include "../model/Session.h"
 #include "../lib/NotificationList.h"
 
@@ -30,6 +31,8 @@ protected:
 	Poco::JSON::Object* checkAndLoadSession(Poco::Dynamic::Var params, bool checkIp = false);
 
 	static Poco::JSON::Object* stateError(const char* msg, std::string details = "");
+	static Poco::JSON::Object* stateError(const char* msg, NotificationList* errorReciver);
+	static Poco::JSON::Object* stateError(const char* msg, const Poco::JSON::Array& details);
 	static Poco::JSON::Object* customStateError(const char* state, const char* msg, std::string details = "");
 	static Poco::JSON::Object* stateSuccess();
 	static Poco::JSON::Object* stateWarning(const char* msg, std::string details = "");