diff --git a/src/framework/ALBserver.cpp b/src/framework/ALBserver.cpp
index 1a08503..ac10319 100644
--- a/src/framework/ALBserver.cpp
+++ b/src/framework/ALBserver.cpp
@@ -26,7 +26,7 @@ namespace OpenWifi {
 			Response.set("Connection", "keep-alive");
 			Response.setVersion(Poco::Net::HTTPMessage::HTTP_1_1);
 			std::ostream &Answer = Response.send();
-			Answer << "process Alive and kicking!";
+			Answer << ALBHealthCheckServer()->CallbackText();
 		} catch (...) {
 		}
 	}
diff --git a/src/framework/ALBserver.h b/src/framework/ALBserver.h
index 6599ac8..c52a570 100644
--- a/src/framework/ALBserver.h
+++ b/src/framework/ALBserver.h
@@ -37,6 +37,8 @@ namespace OpenWifi {
 		inline static std::atomic_uint64_t req_id_ = 1;
 	};
 
+	typedef std::string ALBHealthMessageCallback();
+
 	class ALBHealthCheckServer : public SubSystemServer {
 	  public:
 		ALBHealthCheckServer();
@@ -48,10 +50,22 @@ namespace OpenWifi {
 
 		int Start() override;
 		void Stop() override;
+		inline void RegisterExtendedHealthMessage(ALBHealthMessageCallback *F) {
+			Callback_=F;
+		};
+
+		inline std::string CallbackText() {
+			if(Callback_== nullptr) {
+				return "process Alive and kicking!";
+			} else {
+				return Callback_();
+			}
+		}
 
 	  private:
 		std::unique_ptr<Poco::Net::HTTPServer> Server_;
 		std::unique_ptr<Poco::Net::ServerSocket> Socket_;
+		ALBHealthMessageCallback	*Callback_= nullptr;
 		int Port_ = 0;
 		mutable std::atomic_bool Running_ = false;
 	};
diff --git a/src/framework/KafkaManager.cpp b/src/framework/KafkaManager.cpp
index b8193b8..09527a5 100644
--- a/src/framework/KafkaManager.cpp
+++ b/src/framework/KafkaManager.cpp
@@ -213,7 +213,7 @@ namespace OpenWifi {
 	}
 
 	void KafkaProducer::Produce(const char *Topic, const std::string &Key,
-								const std::shared_ptr<std::string> Payload) {
+								std::shared_ptr<std::string> Payload) {
 		std::lock_guard G(Mutex_);
 		Queue_.enqueueNotification(new KafkaMessage(Topic, Key, Payload));
 	}
diff --git a/src/framework/KafkaManager.h b/src/framework/KafkaManager.h
index b78c072..3ef5940 100644
--- a/src/framework/KafkaManager.h
+++ b/src/framework/KafkaManager.h
@@ -18,8 +18,8 @@ namespace OpenWifi {
 
 	class KafkaMessage : public Poco::Notification {
 	  public:
-		KafkaMessage(const char * Topic, const std::string &Key, const std::shared_ptr<std::string> Payload)
-			: Topic_(Topic), Key_(Key), Payload_(std::move(Payload)) {}
+		KafkaMessage(const char * Topic, const std::string &Key, std::shared_ptr<std::string> Payload)
+			: Topic_(Topic), Key_(Key), Payload_(Payload) {}
 
 		inline const char * Topic() { return Topic_; }
 		inline const std::string &Key() { return Key_; }
@@ -36,7 +36,7 @@ namespace OpenWifi {
 		void run() override;
 		void Start();
 		void Stop();
-		void Produce(const char *Topic, const std::string &Key, const std::shared_ptr<std::string> Payload);
+		void Produce(const char *Topic, const std::string &Key, std::shared_ptr<std::string> Payload);
 
 	  private:
 		std::recursive_mutex Mutex_;
@@ -92,9 +92,9 @@ namespace OpenWifi {
 		void Stop() override;
 
 		void PostMessage(const char *topic, const std::string &key,
-						 const std::shared_ptr<std::string> PayLoad, bool WrapMessage = true);
-		void Dispatch(const char *Topic, const std::string &Key, const std::shared_ptr<std::string> Payload);
-		[[nodiscard]] const std::shared_ptr<std::string> WrapSystemId(const std::shared_ptr<std::string> PayLoad);
+						 std::shared_ptr<std::string> PayLoad, bool WrapMessage = true);
+		void Dispatch(const char *Topic, const std::string &Key, std::shared_ptr<std::string> Payload);
+		[[nodiscard]] const std::shared_ptr<std::string> WrapSystemId(std::shared_ptr<std::string> PayLoad);
 		[[nodiscard]] inline bool Enabled() const { return KafkaEnabled_; }
 		uint64_t RegisterTopicWatcher(const std::string &Topic, Types::TopicNotifyFunction &F);
 		void UnregisterTopicWatcher(const std::string &Topic, uint64_t Id);
diff --git a/src/framework/MicroService.cpp b/src/framework/MicroService.cpp
index 31d6837..5d517d9 100644
--- a/src/framework/MicroService.cpp
+++ b/src/framework/MicroService.cpp
@@ -129,6 +129,8 @@ namespace OpenWifi {
 				}
 			} else {
 				poco_error(logger(), "Bad bus message.");
+                std::ostringstream os;
+                Object->stringify(std::cout);
 			}
 
 			auto i = Services_.begin();
diff --git a/src/framework/MicroServiceFuncs.cpp b/src/framework/MicroServiceFuncs.cpp
index 367d464..6664981 100644
--- a/src/framework/MicroServiceFuncs.cpp
+++ b/src/framework/MicroServiceFuncs.cpp
@@ -5,6 +5,8 @@
 #include "framework/MicroServiceFuncs.h"
 #include "framework/MicroService.h"
 
+#include "framework/ALBserver.h"
+
 namespace OpenWifi {
 	const std::string &MicroServiceDataDirectory() { return MicroService::instance().DataDir(); }
 
@@ -123,4 +125,8 @@ namespace OpenWifi {
 		return MicroService::instance().AllowExternalMicroServices();
 	}
 
+	void MicroServiceALBCallback( std::string Callback()) {
+		return ALBHealthCheckServer()->RegisterExtendedHealthMessage(Callback);
+	}
+
 } // namespace OpenWifi
diff --git a/src/framework/MicroServiceFuncs.h b/src/framework/MicroServiceFuncs.h
index b266156..9c618b8 100644
--- a/src/framework/MicroServiceFuncs.h
+++ b/src/framework/MicroServiceFuncs.h
@@ -53,4 +53,5 @@ namespace OpenWifi {
 	std::string MicroServiceGetPublicAPIEndPoint();
 	void MicroServiceDeleteOverrideConfiguration();
 	bool AllowExternalMicroServices();
+	void MicroServiceALBCallback( std::string Callback());
 } // namespace OpenWifi
diff --git a/src/framework/OpenWifiTypes.h b/src/framework/OpenWifiTypes.h
index 7be530d..39f90ac 100644
--- a/src/framework/OpenWifiTypes.h
+++ b/src/framework/OpenWifiTypes.h
@@ -28,6 +28,9 @@ namespace OpenWifi::Types {
 	typedef std::string UUID_t;
 	typedef std::vector<UUID_t> UUIDvec_t;
 	typedef std::map<std::string, std::map<uint32_t, uint64_t>> Counted3DMapSII;
+	typedef std::vector<int64_t> IntList;
+	typedef std::vector<uint64_t> UIntList;
+	typedef std::vector<double> DoubleList;
 
 	struct MicroServiceMeta {
 		uint64_t Id = 0;
diff --git a/src/framework/RESTAPI_utils.h b/src/framework/RESTAPI_utils.h
index 72c0afc..27651be 100644
--- a/src/framework/RESTAPI_utils.h
+++ b/src/framework/RESTAPI_utils.h
@@ -102,6 +102,20 @@ namespace OpenWifi::RESTAPI_utils {
 		Obj.set(Field, A);
 	}
 
+	inline void field_to_json(Poco::JSON::Object &Obj, const char *Field, const Types::DoubleList &V) {
+		Poco::JSON::Array A;
+		for (const auto &i : V)
+			A.add(i);
+		Obj.set(Field, A);
+	}
+
+	inline void field_to_json(Poco::JSON::Object &Obj, const char *Field, const Types::IntList &V) {
+		Poco::JSON::Array A;
+		for (const auto &i : V)
+			A.add(i);
+		Obj.set(Field, A);
+	}
+
 	inline void field_to_json(Poco::JSON::Object &Obj, const char *Field, const Types::TagList &V) {
 		Poco::JSON::Array A;
 		for (const auto &i : V)
@@ -284,6 +298,28 @@ namespace OpenWifi::RESTAPI_utils {
 		}
 	}
 
+	inline void field_from_json(const Poco::JSON::Object::Ptr &Obj, const char *Field,
+								Types::DoubleList &Value) {
+		if (Obj->isArray(Field) && !Obj->isNull(Field)) {
+			Value.clear();
+			Poco::JSON::Array::Ptr A = Obj->getArray(Field);
+			for (const auto &i : *A) {
+				Value.push_back(i);
+			}
+		}
+	}
+
+	inline void field_from_json(const Poco::JSON::Object::Ptr &Obj, const char *Field,
+								Types::IntList &Value) {
+		if (Obj->isArray(Field) && !Obj->isNull(Field)) {
+			Value.clear();
+			Poco::JSON::Array::Ptr A = Obj->getArray(Field);
+			for (const auto &i : *A) {
+				Value.push_back(i);
+			}
+		}
+	}
+
 	template <class T>
 	void field_from_json(const Poco::JSON::Object::Ptr &Obj, const char *Field,
 						 std::vector<T> &Value) {
diff --git a/src/framework/StorageClass.h b/src/framework/StorageClass.h
index 2255de5..cfb5530 100644
--- a/src/framework/StorageClass.h
+++ b/src/framework/StorageClass.h
@@ -22,9 +22,8 @@ namespace OpenWifi {
 
 	class StorageClass : public SubSystemServer {
 	  public:
-		StorageClass() noexcept : SubSystemServer("StorageClass", "STORAGE-SVR", "storage") {}
 
-		int Start() override {
+        inline int Start() override {
 			std::lock_guard Guard(Mutex_);
 
 			Logger().notice("Starting.");
@@ -40,17 +39,22 @@ namespace OpenWifi {
 			return 0;
 		}
 
-		void Stop() override { Pool_->shutdown(); }
+		inline void Stop() override { Pool_->shutdown(); }
 
 		DBType Type() const { return dbType_; };
 
+        StorageClass() noexcept : SubSystemServer("StorageClass", "STORAGE-SVR", "storage") {
+
+        }
+
 	  private:
 		inline int Setup_SQLite();
 		inline int Setup_MySQL();
 		inline int Setup_PostgreSQL();
 
-	  protected:
-		std::unique_ptr<Poco::Data::SessionPool> Pool_;
+
+    protected:
+		std::shared_ptr<Poco::Data::SessionPool> Pool_;
 		Poco::Data::SQLite::Connector SQLiteConn_;
 		Poco::Data::PostgreSQL::Connector PostgresConn_;
 		Poco::Data::MySQL::Connector MySQLConn_;
@@ -81,7 +85,7 @@ namespace OpenWifi {
 		//        Poco::Data::SessionPool(SQLiteConn_.name(), DBName, 8,
 		//                                                                                     (int)NumSessions,
 		//                                                                                     (int)IdleTime));
-		Pool_ = std::make_unique<Poco::Data::SessionPool>(SQLiteConn_.name(), DBName, 8,
+		Pool_ = std::make_shared<Poco::Data::SessionPool>(SQLiteConn_.name(), DBName, 8,
 														  (int)NumSessions, (int)IdleTime);
 		return 0;
 	}
@@ -102,7 +106,7 @@ namespace OpenWifi {
 									";compress=true;auto-reconnect=true";
 
 		Poco::Data::MySQL::Connector::registerConnector();
-		Pool_ = std::make_unique<Poco::Data::SessionPool>(MySQLConn_.name(), ConnectionStr, 8,
+		Pool_ = std::make_shared<Poco::Data::SessionPool>(MySQLConn_.name(), ConnectionStr, 8,
 														  NumSessions, IdleTime);
 
 		return 0;
@@ -126,7 +130,7 @@ namespace OpenWifi {
 									" connect_timeout=" + ConnectionTimeout;
 
 		Poco::Data::PostgreSQL::Connector::registerConnector();
-		Pool_ = std::make_unique<Poco::Data::SessionPool>(PostgresConn_.name(), ConnectionStr, 8,
+		Pool_ = std::make_shared<Poco::Data::SessionPool>(PostgresConn_.name(), ConnectionStr, 8,
 														  NumSessions, IdleTime);
 
 		return 0;
diff --git a/src/framework/utils.cpp b/src/framework/utils.cpp
index c2f4358..a0f4c11 100644
--- a/src/framework/utils.cpp
+++ b/src/framework/utils.cpp
@@ -132,6 +132,15 @@ namespace OpenWifi::Utils {
 		return std::regex_match(Hostname, HostNameRegex);
 	}
 
+	[[nodiscard]] bool ValidNumber(const std::string &number, bool isSigned)
+	{
+		static std::regex IntRegex("^-?[0-9]\\d*(\\.\\d+)?$");
+		if(!isSigned) {
+			IntRegex = "^[0-9]\\d*(\\.\\d+)?$";
+		}
+		return std::regex_match(number, IntRegex);
+	}
+
 	[[nodiscard]] std::string ToHex(const std::vector<unsigned char> &B) {
 		std::string R;
 		R.reserve(B.size() * 2);
diff --git a/src/framework/utils.h b/src/framework/utils.h
index b464989..3979dca 100644
--- a/src/framework/utils.h
+++ b/src/framework/utils.h
@@ -73,6 +73,7 @@ namespace OpenWifi::Utils {
 	[[nodiscard]] bool ValidSerialNumbers(const std::vector<std::string> &Serial);
 	[[nodiscard]] bool ValidUUID(const std::string &UUID);
 	[[nodiscard]] bool ValidHostname(const std::string &hostname);
+	[[nodiscard]] bool ValidNumber(const std::string &number, bool isSigned);
 
 	template <typename... Args> std::string ComputeHash(Args &&...args) {
 		Poco::SHA2Engine E;