diff --git a/runelite-api/src/main/java/net/runelite/api/ScriptID.java b/runelite-api/src/main/java/net/runelite/api/ScriptID.java
index 0299da0472..08b48cdc0d 100644
--- a/runelite-api/src/main/java/net/runelite/api/ScriptID.java
+++ b/runelite-api/src/main/java/net/runelite/api/ScriptID.java
@@ -26,6 +26,30 @@ package net.runelite.api;
 
 public final class ScriptID
 {
+	/**
+	 * Sends a chat message
+	 * <ul>
+	 * <li> int (byte) Flags </li>
+	 * <li> String Message to send </li>
+	 * </ul>
+	 */
 	public static final int CHATBOX_INPUT = 96;
+
+	/**
+	 * Closes the chatbox input
+	 * <ul>
+	 * <li> int (boolean) Clear the current text </li>
+	 * <li> int (boolean) Unknown; set to 1 </li>
+	 * </ul>
+	 */
+	public static final int CLOSE_CHATBOX_INPUT = 299;
+
+	/**
+	 * Initializes the chatbox input to use RuneLite callbacks
+	 * <ul>
+	 * <li> String  Prompt text </li>
+	 * <li> String  Default value </li>
+	 * </ul>
+	 */
 	public static final int RUNELITE_CHATBOX_INPUT_INIT = 10001;
 }
diff --git a/runelite-client/src/main/java/net/runelite/client/game/ChatboxInputManager.java b/runelite-client/src/main/java/net/runelite/client/game/ChatboxInputManager.java
index bb907e1cbf..3839d40a80 100644
--- a/runelite-client/src/main/java/net/runelite/client/game/ChatboxInputManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/game/ChatboxInputManager.java
@@ -29,6 +29,7 @@ import com.google.common.eventbus.Subscribe;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.util.function.Consumer;
+import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import net.runelite.api.Client;
 import net.runelite.api.ScriptID;
@@ -39,13 +40,17 @@ import net.runelite.client.callback.ClientThread;
 @Slf4j
 public class ChatboxInputManager
 {
-	private static final int NO_LIMIT = Integer.MAX_VALUE;
+	public static final int NO_LIMIT = Integer.MAX_VALUE;
 	private final Client client;
 	private final ClientThread clientThread;
 
 	private Consumer<String> done;
+	private Consumer<String> changed;
 	private int characterLimit = NO_LIMIT;
 
+	@Getter
+	private boolean open = false;
+
 	@Inject
 	public ChatboxInputManager(Client client, ClientThread clientThread, EventBus eventBus)
 	{
@@ -67,9 +72,16 @@ public class ChatboxInputManager
 	}
 
 	public void openInputWindow(String text, String defaul, int characterLimit, Consumer<String> done)
+	{
+		openInputWindow(text, defaul, characterLimit, null, done);
+	}
+
+	public void openInputWindow(String text, String defaul, int characterLimit, Consumer<String> changed, Consumer<String> done)
 	{
 		this.done = done;
+		this.changed = changed;
 		this.characterLimit = characterLimit;
+		this.open = true;
 		clientThread.invokeLater(() -> client.runScript(
 			ScriptID.RUNELITE_CHATBOX_INPUT_INIT,
 			text,
@@ -77,6 +89,23 @@ public class ChatboxInputManager
 		));
 	}
 
+	/**
+	 * Closes the RuneScape-style chatbox input
+	 */
+	public void closeInputWindow()
+	{
+		if (!this.open)
+		{
+			return;
+		}
+		this.open = false;
+		clientThread.invokeLater(() -> client.runScript(
+			ScriptID.CLOSE_CHATBOX_INPUT,
+			1,
+			1
+		));
+	}
+
 	@Subscribe
 	public void scriptCallback(ScriptCallbackEvent ev)
 	{
@@ -93,9 +122,17 @@ public class ChatboxInputManager
 			{
 				case 27: // Escape
 					str = "";
+					if (changed != null)
+					{
+						changed.accept(str);
+					}
 					// fallthrough
 				case '\n':
-					done.accept(str);
+					if (done != null)
+					{
+						done.accept(str);
+					}
+					this.open = false;
 					retval = 1;
 					break;
 				case '\b':
@@ -111,6 +148,11 @@ public class ChatboxInputManager
 					}
 			}
 
+			if (changed != null)
+			{
+				changed.accept(str);
+			}
+
 			client.getStringStack()[stringStackSize++] = str;
 			client.getIntStack()[intStackSize++] = retval;
 			client.setIntStackSize(intStackSize);