Init Chat Engine – Real-Time, Community, Extensible

A lightweight, real-time chat system for WordPress — built with REST API and Vanilla JS.
No jQuery, no reloads, full admin control.

Not just a chatbox. A true Chat Engine for WordPress.

Overview

Init Chat Engine is a clean and minimal frontend chatbox plugin for WordPress, designed for community interaction with a complete set of administrative tools.

Built on REST API + Vanilla JS, it works on any hosting without WebSockets, delivering a lightweight yet powerful chat experience.

Perfect for communities, forums, fanpages, SaaS dashboards, support widgets, or any WordPress site that needs real-time conversation.

Features

• Frontend

  • Built with REST API and Vanilla JS (no jQuery, no bloat)
  • Guest messaging support (optional)
  • Smart polling system (adaptive 3.5–10s)
  • Browser notifications for new messages
  • Scroll-up to load history, scroll-down to auto-scroll
  • Optimistic sending & “new message” jump button
  • Clean UI with customizable themes
  • Shortcode [init_chatbox] for easy embedding
  • Multiple chat rooms with [init_chatbox room="..."]
  • Template override supported (chatbox.php)

• Admin & Moderation

  • Full settings panel (Basic, Security, Advanced)
  • Message management with search & pagination
  • Ban/unban users by IP or user ID (with expiration)
  • Rate limiting (messages per minute)
  • Word filter system with custom blocked words
  • Statistics dashboard with activity charts
  • Cleanup tools for old messages
  • Custom CSS support

• Security

  • IP/user-based bans with expiration
  • Configurable spam protection (rate limiting)
  • Word filtering & moderation queue
  • Automatic cleanup of old messages & expired bans

• Multilingual Ready

  • Translation-ready with .pot file included
  • Vietnamese translation bundled
  • Fully compatible with WordPress i18n

Filters

• init_plugin_suite_chat_engine_word_filter_strategy – Modify the word filtering strategy (substring, word, regex)
• init_plugin_suite_chat_engine_blocked_words – Modify the blocked-words list before validation
• init_plugin_suite_chat_engine_bypass_filter – Bypass filtering under custom conditions (VIP, internal users, etc.)
• init_plugin_suite_chat_engine_word_block_hit – Triggered when a blocked word prevents a message from sending (action)
• init_plugin_suite_chat_engine_enrich_message_row – Extend chat message data before JSON output (metadata, roles, flags)

Installation

1. Upload to /wp-content/plugins/init-chat-engine
2. Activate in WordPress admin
3. Go to Settings → Chat Engine and configure
4. Insert [init_chatbox] shortcode anywhere to display the chatbox
5. Manage messages and users under Chat Engine → Management

License

GPLv2 or later — open source, extensible, developer-first.

Part of Init Plugin Suite

Init Chat Engine is part of the Init Plugin Suite — a collection of blazing-fast, no-bloat plugins made for WordPress developers who care about quality and speed.