GITBOOK-305: change request with no subject merged in GitBook

SUMMARY.md

@@ -13,6 +13,7 @@
   * [Placeholders](helpchat-plugins/chatchat/placeholders.md)
   * [API](helpchat-plugins/chatchat/api/README.md)
     * [Getting Started](helpchat-plugins/chatchat/api/getting-started.md)
+    * [ChatChatAPI](helpchat-plugins/chatchat/api/chatchatapi.md)
     * [Events](helpchat-plugins/chatchat/api/events.md)
   * [Files](helpchat-plugins/chatchat/files.md)
 

helpchat-plugins/chatchat/api/chatchatapi.md

@@ -0,0 +1,35 @@
+---
+description: The main way to interact with the plugin
+---
+
+# ChatChatAPI
+
+{% hint style="info" %}
+You can see more detailed documentation about each holder and manager in the JavaDocs.
+{% endhint %}
+
+The ChatChatAPI interface provides access to multiple Holders and Managers.
+
+## UsersHolder
+
+A way to get existent user instances, create new user instances, unload existent user instances and save existent user instances to file.
+
+## HookManager
+
+A way to load new Hooks into ChatChat or get any already loaded hooks.
+
+## ChannelTypeRegistry
+
+A way to add new Channel types to ChatChat.
+
+## RuleManager
+
+A way to add new Rules into ChatChat or get any already loaded rules.
+
+## MentionManager
+
+A way to add new Mention types to ChatChat or get any already loaded mention types.
+
+## MiniPlaceholderManager
+
+A way to register new MiniPlaceholders in ChatChat, get any already loaded mini placeholders or compile all the MiniPlaceholders into a [TagResolver](https://jd.advntr.dev/text-minimessage/4.13.1/net/kyori/adventure/text/minimessage/tag/resolver/TagResolver.html).