diff --git a/runelite-api/src/main/java/net/runelite/api/Client.java b/runelite-api/src/main/java/net/runelite/api/Client.java
index 12aee0a545..3acfd9d038 100644
--- a/runelite-api/src/main/java/net/runelite/api/Client.java
+++ b/runelite-api/src/main/java/net/runelite/api/Client.java
@@ -255,4 +255,16 @@ public interface Client extends GameEngine
 	 * @return
 	 */
 	ItemContainer getItemContainer(InventoryID inventory);
+
+	int getIntStackSize();
+
+	void setIntStackSize(int stackSize);
+
+	int[] getIntStack();
+
+	int getStringStackSize();
+
+	void setStringStackSize(int stackSize);
+
+	String[] getStringStack();
 }
diff --git a/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java b/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java
index 06f89c20b7..78bd9a84e0 100644
--- a/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java
+++ b/runescape-api/src/main/java/net/runelite/rs/api/RSClient.java
@@ -436,4 +436,28 @@ public interface RSClient extends RSGameEngine, Client
 
 	@Construct
 	RSItem createItem();
+
+	@Import("intStackSize")
+	@Override
+	int getIntStackSize();
+
+	@Import("intStackSize")
+	@Override
+	void setIntStackSize(int stackSize);
+
+	@Import("intStack")
+	@Override
+	int[] getIntStack();
+
+	@Import("scriptStringStackSize")
+	@Override
+	int getStringStackSize();
+
+	@Import("scriptStringStackSize")
+	@Override
+	void setStringStackSize(int stackSize);
+
+	@Import("scriptStringStack")
+	@Override
+	String[] getStringStack();
 }