diff --git a/src/scripting/coreAPI.cpp b/src/scripting/coreAPI.cpp
index 79f2232..3c3ea58 100644
--- a/src/scripting/coreAPI.cpp
+++ b/src/scripting/coreAPI.cpp
@@ -39,6 +39,8 @@ namespace lunarium
     OpRes CoreAPI::Initialize(WrenState& sman)
     {
         mCat = sman.GetLogCat();
+        // Initialize Foreign methods
+        mForeignMethods.push_back({"CoreAPI", "Core", true, "IsKeyDown(_)", (ForeignMethod)&CoreAPI::IsKeyDown});
 
         // Register callbacks
         sman.RegisterForeignMethodBinder((FMBinder*)&CoreAPI::ForeignMethodBinder);
@@ -55,8 +57,9 @@ namespace lunarium
         mScript.SetModuleName("CoreAPI");
         std::string code = File::ReadTextFile("core_api.wren");  // This will eventually move to internal data
         mScript.SetScriptCode(code);
+        sman.RunScript(&mScript);
 
-        // Register methods
+        // Get Method Handles
 
        // return OpRes::Fail("CoreAPI::Initialize not implemented yet!");
        return OpRes::OK();
@@ -70,7 +73,7 @@ namespace lunarium
         {
             if (FMID == (*iter))
             {
-                iter->FM;
+                return iter->FM;
             }
         }
 
@@ -118,8 +121,10 @@ namespace lunarium
         }
     }
     
-    bool CoreAPI::IsKeyDown(WrenVM* vm)
+    void CoreAPI::IsKeyDown(WrenVM* vm)
     {
-        return false;
+        u32 key_code = (u32)wrenGetSlotDouble(vm, 1);
+        bool result = Core::Input().IsKeyDown((KeyCode)key_code, true);
+        wrenSetSlotBool(vm, 0, result);
     }
 }
\ No newline at end of file
diff --git a/src/scripting/coreAPI.h b/src/scripting/coreAPI.h
index 76ce06c..bf019e5 100644
--- a/src/scripting/coreAPI.h
+++ b/src/scripting/coreAPI.h
@@ -65,7 +65,7 @@ namespace lunarium
         static void SetWindowSize(int w, int h);
         static void Log(int level, const char* msg);
 
-        static bool IsKeyDown(WrenVM* vm);
+        static void IsKeyDown(WrenVM* vm);
 
     };
 }
diff --git a/src/scripting/internal_scripts/core_api.wren b/src/scripting/internal_scripts/core_api.wren
index 9c6051e..e939dd4 100644
--- a/src/scripting/internal_scripts/core_api.wren
+++ b/src/scripting/internal_scripts/core_api.wren
@@ -6,6 +6,8 @@
 *	Description	-	The Core API exposes core Lunarium features to scripts
 ******************************************************************************/
 
+import "KeyCodes" for KeyCodes
+
 class Core {
-    //foreign static IsKeyDown(key)
+    foreign static IsKeyDown(key)
 }
\ No newline at end of file
diff --git a/src/scripting/wren_state.cpp b/src/scripting/wren_state.cpp
index 74c4dc0..68f6dce 100644
--- a/src/scripting/wren_state.cpp
+++ b/src/scripting/wren_state.cpp
@@ -35,6 +35,7 @@ namespace lunarium
         wrenInitConfiguration(&config);
         config.writeFn = WrenState::WriteFN;
         config.errorFn = WrenState::ErrorFN;
+        config.bindForeignMethodFn = WrenState::BindForeignMethodFN;
 
 	    mpVM = wrenNewVM(&config);