diff --git a/Destination.cpp b/Destination.cpp
index 0fb86b93..4b5f6af4 100644
--- a/Destination.cpp
+++ b/Destination.cpp
@@ -281,7 +281,7 @@ namespace client
 		return nullptr;	
 	}		
 
-	void ClientDestination::AcceptStreams (const std::function<void (i2p::stream::Stream *)>& acceptor)
+	void ClientDestination::AcceptStreams (const i2p::stream::StreamingDestination::Acceptor& acceptor)
 	{
 		if (m_StreamingDestination)
 			m_StreamingDestination->SetAcceptor (acceptor);
diff --git a/Destination.h b/Destination.h
index 744cd6a7..c804dea8 100644
--- a/Destination.h
+++ b/Destination.h
@@ -42,7 +42,7 @@ namespace client
 			// streaming
 			i2p::stream::StreamingDestination * GetStreamingDestination () const { return m_StreamingDestination; };
 			i2p::stream::Stream * CreateStream (const i2p::data::LeaseSet& remote, int port = 0);
-			void AcceptStreams (const std::function<void (i2p::stream::Stream *)>& acceptor);
+			void AcceptStreams (const i2p::stream::StreamingDestination::Acceptor& acceptor);
 			void StopAcceptingStreams ();
 			bool IsAcceptingStreams () const;
 
diff --git a/Streaming.h b/Streaming.h
index 1c8958b2..82a01b30 100644
--- a/Streaming.h
+++ b/Streaming.h
@@ -153,6 +153,8 @@ namespace stream
 	{
 		public:
 
+			typedef std::function<void (Stream *)> Acceptor;
+
 			StreamingDestination (i2p::client::ClientDestination& owner): m_Owner (owner) {};
 			~StreamingDestination () {};	
 
@@ -161,7 +163,7 @@ namespace stream
 
 			Stream * CreateNewOutgoingStream (const i2p::data::LeaseSet& remote, int port = 0);
 			void DeleteStream (Stream * stream);			
-			void SetAcceptor (const std::function<void (Stream *)>& acceptor) { m_Acceptor = acceptor; };
+			void SetAcceptor (const Acceptor& acceptor) { m_Acceptor = acceptor; };
 			void ResetAcceptor () { m_Acceptor = nullptr; };
 			bool IsAcceptorSet () const { return m_Acceptor != nullptr; };	
 			i2p::client::ClientDestination& GetOwner () { return m_Owner; };
@@ -178,7 +180,7 @@ namespace stream
 			i2p::client::ClientDestination& m_Owner;
 			std::mutex m_StreamsMutex;
 			std::map<uint32_t, Stream *> m_Streams;
-			std::function<void (Stream *)> m_Acceptor;
+			Acceptor m_Acceptor;
 			
 		public:
 
diff --git a/api/api.cpp b/api/api.cpp
index 8bf819db..f4766722 100644
--- a/api/api.cpp
+++ b/api/api.cpp
@@ -14,11 +14,9 @@ namespace i2p
 {
 namespace api
 {
-	static std::map<i2p::data::IdentHash, i2p::client::ClientDestination *> g_Destinations;
-
-	void InitI2P (int argc, char* argv[])
+	void InitI2P (int argc, char* argv[], const char * appName)
 	{
-		i2p::util::filesystem::SetAppName ("i2papi");
+		i2p::util::filesystem::SetAppName (appName);
 		i2p::util::config::OptionParser(argc, argv);
 		i2p::context.Init ();	
 	}
@@ -43,29 +41,19 @@ namespace api
 		LogPrint("Transports stoped");
 		i2p::data::netdb.Stop();
 		LogPrint("NetDB stoped");
-		for (auto it: g_Destinations)
-		{	
-			it.second->Stop ();
-			delete it.second;
-		}		
-		g_Destinations.clear ();
-		LogPrint("Local destinations deleted");
-
 		StopLog ();
 	}
 
-	i2p::client::ClientDestination * CreateLocalDestination (const i2p::data::PrivateKeys& keys)
+	i2p::client::ClientDestination * CreateLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic)
 	{
-		auto localDestination = new i2p::client::ClientDestination (keys, true); // public
-		g_Destinations[localDestination->GetIdentHash ()] = localDestination;
+		auto localDestination = new i2p::client::ClientDestination (keys, isPublic);
 		localDestination->Start ();
 		return localDestination;
 	}
 
-	i2p::client::ClientDestination * CreateLocalDestination (i2p::data::SigningKeyType sigType)
+	i2p::client::ClientDestination * CreateLocalDestination (bool isPublic, i2p::data::SigningKeyType sigType)
 	{
-		auto localDestination = new i2p::client::ClientDestination (true, sigType); // public
-		g_Destinations[localDestination->GetIdentHash ()] = localDestination;
+		auto localDestination = new i2p::client::ClientDestination (isPublic, sigType);
 		localDestination->Start ();
 		return localDestination;
 	}
@@ -75,10 +63,46 @@ namespace api
 		if (dest)
 		{
 			dest->Stop ();
-			g_Destinations.erase (dest->GetIdentHash ());
 			delete dest;
 		}
 	}
+
+	void RequestLeaseSet (i2p::client::ClientDestination * dest, const i2p::data::IdentHash& remote)
+	{
+		if (dest)
+			i2p::data::netdb.RequestDestination (remote, true, dest->GetTunnelPool ());
+	}
+
+	i2p::stream::Stream * CreateStream (i2p::client::ClientDestination * dest, const i2p::data::IdentHash& remote)
+	{
+		auto leaseSet = i2p::data::netdb.FindLeaseSet (remote);
+		if (leaseSet)
+		{
+			auto stream = dest->CreateStream (*leaseSet);
+			stream->Send (nullptr, 0); // connect
+			return stream;
+		}
+		else
+		{
+			RequestLeaseSet (dest, remote);
+			return nullptr;	
+		}	
+	}
+
+	void AcceptStream (i2p::client::ClientDestination * dest, const i2p::stream::StreamingDestination::Acceptor& acceptor)
+	{
+		if (dest)
+			dest->AcceptStreams (acceptor);
+	}
+
+	void DestroyStream (i2p::stream::Stream * stream)
+	{
+		if (stream)
+		{
+			stream->Close ();
+			i2p::stream::DeleteStream (stream);
+		}
+	}
 }
 }
 
diff --git a/api/api.h b/api/api.h
index 6e763338..2fea8627 100644
--- a/api/api.h
+++ b/api/api.h
@@ -2,18 +2,28 @@
 #define API_H__
 
 #include "Identity.h"
+#include "Destination.h"
+#include "Streaming.h"
 
 namespace i2p
 {
 namespace api
 {
-	void InitI2P (int argc, char* argv[]);
+	// initialization start and stop	
+	void InitI2P (int argc, char* argv[], const char * appName);
 	void StartI2P ();
 	void StopI2P ();
 
-	i2p::client::ClientDestination * CreateLocalDestination (const i2p::data::PrivateKeys& keys);
-	i2p::client::ClientDestination * CreateLocalDestination (i2p::data::SigningKeyType sigType = i2p::data::SIGNING_KEY_TYPE_DSA_SHA1);
+	// destinations
+	i2p::client::ClientDestination * CreateLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic = true); 
+	i2p::client::ClientDestination * CreateLocalDestination (bool isPublic = false, i2p::data::SigningKeyType sigType = i2p::data::SIGNING_KEY_TYPE_DSA_SHA1); // transient destinations usually not published
 	void DestoroyLocalDestination (i2p::client::ClientDestination * dest);
+
+	// streams
+	void RequestLeaseSet (i2p::client::ClientDestination * dest, const i2p::data::IdentHash& remote);
+	i2p::stream::Stream * CreateStream (i2p::client::ClientDestination * dest, const i2p::data::IdentHash& remote);
+	void AcceptStream (i2p::client::ClientDestination * dest, const i2p::stream::StreamingDestination::Acceptor& acceptor);
+	void DestroyStream (i2p::stream::Stream * stream);
 }
 }