diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/Identity/OnlineAsyncTaskAccelByteSimultaneousLogin.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/Identity/OnlineAsyncTaskAccelByteSimultaneousLogin.cpp
index 3e5bc32e..26e7bcd7 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/Identity/OnlineAsyncTaskAccelByteSimultaneousLogin.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/Identity/OnlineAsyncTaskAccelByteSimultaneousLogin.cpp
@@ -77,14 +77,8 @@ void FOnlineAsyncTaskAccelByteSimultaneousLogin::Initialize()
 		return;
 	}
 
-	if (Subsystem->IsMultipleLocalUsersEnabled())
-	{
-		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%d"), LoginUserNum)));
-	}
-	else
-	{
-		SetApiClient(FMultiRegistry::GetApiClient());
-	}
+	InitApiClient();
+
 	API_CLIENT_CHECK_GUARD(ErrorStr);
 	ApiClient->CredentialsRef->SetClientCredentials(FRegistry::Settings.ClientId, FRegistry::Settings.ClientSecret);
 	
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueue.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueue.cpp
index 131876e2..04b4807e 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueue.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueue.cpp
@@ -139,15 +139,8 @@ void FOnlineAsyncTaskAccelByteLoginQueue::ClaimAccessToken(const FString& InTick
 {
 	AB_OSS_ASYNC_TASK_TRACE_BEGIN(TEXT("LocalUserNum: %d, TicketId: %s"), LoginUserNum, *InTicketId);
 
-	if (Subsystem->IsMultipleLocalUsersEnabled())
-	{
-		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%d"), LoginUserNum)));
-	}
-	else
-	{
-		SetApiClient(FMultiRegistry::GetApiClient());
-	}
-	
+	InitApiClientForLogin(LoginUserNum);
+
 	if(!IsApiClientValid())
 	{
 		AB_OSS_ASYNC_TASK_TRACE_END(TEXT("Unable to claim access token, ApiClient is invalid"));
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueueCancelTicket.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueueCancelTicket.cpp
index 2f539ba1..e4e7108e 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueueCancelTicket.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginQueueCancelTicket.cpp
@@ -25,15 +25,8 @@ void FOnlineAsyncTaskAccelByteLoginQueueCancelTicket::Initialize()
 
 	Super::Initialize();
 	
-	if (Subsystem->IsMultipleLocalUsersEnabled())
-	{
-		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%d"), LoginUserNum)));
-	}
-	else
-	{
-		SetApiClient(FMultiRegistry::GetApiClient());
-	}
-	
+	InitApiClientForLogin(LoginUserNum);
+		
 	API_CLIENT_CHECK_GUARD(ErrorStr);
 
 	OnCancelTicketSuccessHandler = TDelegateUtils<FVoidHandler>::CreateThreadSafeSelfPtr(this, &FOnlineAsyncTaskAccelByteLoginQueueCancelTicket::OnCancelTicketSuccess);
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginRefreshTicket.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginRefreshTicket.cpp
index ed315873..e58ab650 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginRefreshTicket.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/LoginQueue/OnlineAsyncTaskAccelByteLoginRefreshTicket.cpp
@@ -26,14 +26,7 @@ void FOnlineAsyncTaskAccelByteLoginRefreshTicket::Initialize()
 	Super::Initialize();
 
 	AB_OSS_ASYNC_TASK_TRACE_BEGIN(TEXT("LoginUserNum: %d"), LoginUserNum);
-	if (Subsystem->IsMultipleLocalUsersEnabled())
-	{
-		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%d"), LoginUserNum)));
-	}
-	else
-	{
-		SetApiClient(FMultiRegistry::GetApiClient());
-	}
+	InitApiClientForLogin(LoginUserNum);
 	
 	OnRefreshTicketSuccessHandler = TDelegateUtils<THandler<FAccelByteModelsLoginQueueTicketInfo>>::CreateThreadSafeSelfPtr(this, &FOnlineAsyncTaskAccelByteLoginRefreshTicket::OnRefreshTicketSuccess);
 	OnRefreshTicketErrorHandler = TDelegateUtils<FErrorHandler>::CreateThreadSafeSelfPtr(this, &FOnlineAsyncTaskAccelByteLoginRefreshTicket::OnRefreshTicketError);
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByte.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByte.cpp
index 52f908ca..a037c812 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByte.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByte.cpp
@@ -4,6 +4,7 @@
 
 #include "AsyncTasks/OnlineAsyncTaskAccelByte.h"
 #include "AsyncTasks/OnlineAsyncEpicTaskAccelByte.h"
+#include "Core/AccelByteMultiRegistry.h"
 
 void FOnlineAsyncTaskAccelByte::ExecuteCriticalSectionAction(FVoidHandler Action)
 {
@@ -58,3 +59,15 @@ void FOnlineAsyncTaskAccelByte::ForcefullySetTimeoutState()
 	DeltaTickAccumulation += TaskTimeoutInSeconds;
 	LastTaskUpdateInSeconds -= TaskTimeoutInSeconds;
 }
+
+void FOnlineAsyncTaskAccelByte::InitApiClientForLogin(int LoginUserNum)
+{
+	if (Subsystem->IsMultipleLocalUsersEnabled())
+	{
+		SetApiClient(AccelByte::FMultiRegistry::GetApiClient(FString::Printf(TEXT("%s/%d"), *Subsystem->GetInstanceName().ToString(), LoginUserNum)));
+	}
+	else
+	{
+		SetApiClient(AccelByte::FMultiRegistry::GetApiClient());
+	}
+}
\ No newline at end of file
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.cpp
index a4902d60..ae66ae7b 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.cpp
@@ -84,14 +84,7 @@ void FOnlineAsyncTaskAccelByteLogin::Initialize()
 	
 	GConfig->GetInt(TEXT("OnlineSubsystemAccelByte"), TEXT("LoginQueuePresentationThreshold"), LoginQueuePresentationThreshold, GEngineIni);
 
-	if (Subsystem->IsMultipleLocalUsersEnabled())
-	{
-		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%d"), LoginUserNum)));
-	}
-	else
-	{
-		SetApiClient(FMultiRegistry::GetApiClient());
-	}
+	InitApiClient();
 	
 	API_CLIENT_CHECK_GUARD();
 	//Valid because just recently SetApiClient()
@@ -217,6 +210,11 @@ void FOnlineAsyncTaskAccelByteLogin::TriggerDelegates()
 	AB_OSS_ASYNC_TASK_TRACE_END(TEXT(""));
 }
 
+void FOnlineAsyncTaskAccelByteLogin::InitApiClient()
+{
+	InitApiClientForLogin(LoginUserNum);
+}
+
 void FOnlineAsyncTaskAccelByteLogin::LoginWithNativeSubsystem()
 {
 #if WITH_EDITOR
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.h b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.h
index 5ef6bc25..65306faa 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.h
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/OnlineAsyncTaskAccelByteLogin.h
@@ -160,6 +160,12 @@ class ONLINESUBSYSTEMACCELBYTE_API FOnlineAsyncTaskAccelByteLogin
 
 #endif
 
+	/**
+	 * Initializes the ApiClient for this login, using ContextName/LocalUserNum as the key if multiple users are enabled,
+	 * or using the global default ApiClient if not
+	 */
+	void InitApiClient();
+
 	/**
 	 * Attempts to fire off a login request with a native subsystem, if one is set up and usable.
 	 *
diff --git a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/User/OnlineAsyncTaskAccelByteValidateUserInput.cpp b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/User/OnlineAsyncTaskAccelByteValidateUserInput.cpp
index b2b0ca76..4abe9526 100644
--- a/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/User/OnlineAsyncTaskAccelByteValidateUserInput.cpp
+++ b/Source/OnlineSubsystemAccelByte/Private/AsyncTasks/User/OnlineAsyncTaskAccelByteValidateUserInput.cpp
@@ -28,7 +28,7 @@ void FOnlineAsyncTaskAccelByteValidateUserInput::Initialize()
 	// Ensure to always get api client since the endpoint is able to call without authorization
 	if (Subsystem->GetApiClient(LocalUserNum) == nullptr)
 	{
-		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%d"), LocalUserNum)));
+		SetApiClient(FMultiRegistry::GetApiClient(FString::Printf(TEXT("%s/%d"), *Subsystem->GetInstanceName().ToString(), LocalUserNum)));
 	}
 	API_CLIENT_CHECK_GUARD(OnlineError)
 	
diff --git a/Source/OnlineSubsystemAccelByte/Public/AsyncTasks/OnlineAsyncTaskAccelByte.h b/Source/OnlineSubsystemAccelByte/Public/AsyncTasks/OnlineAsyncTaskAccelByte.h
index 4eba1ff1..04f842a8 100644
--- a/Source/OnlineSubsystemAccelByte/Public/AsyncTasks/OnlineAsyncTaskAccelByte.h
+++ b/Source/OnlineSubsystemAccelByte/Public/AsyncTasks/OnlineAsyncTaskAccelByte.h
@@ -495,6 +495,14 @@ class FOnlineAsyncTaskAccelByte : public FOnlineAsyncTaskBasic<FOnlineSubsystemA
 		return ApiClientInternal;
 	}
 
+	/**
+	 * Initializes the ApiClient for this login, using ContextName/LocalUserNum as the key if multiple users are enabled,
+	 * or using the global default ApiClient if not
+	 *
+	 * @param LoginUserNum The local user num being used to temporarily identify an API client
+	 */
+	void InitApiClientForLogin(int LoginUserNum);
+	
 	/**
 	 * Sets current API client member (expected to be used by Login async tasks)
 	 */