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MultiWA Gateway V3.0 - Implementation Plan

Version: 3.0
Created: 3 Februari 2026
Last Updated: 8 Februari 2026
Status: ✅ All Phases Completed

🎯 Vision

Membangun WhatsApp Gateway open source terlengkap yang menggabungkan semua killer features dalam satu self-hosted solution.

MultiWA V3.0 = Evolution API + WAHA + Fonnte + Whapi.id
           (All features combined, none missing)

🏆 Competitive Positioning (Updated: Feb 2026)

Feature Evolution WAHA Fonnte OpenWA MultiWA V3
Self-hosted OSS ✅ ⚠️ Freemium ❌ Paid ✅ ✅
Multi-engine ✅ ✅ ❌ ❌ WWebJS only ✅
Dashboard UI ❌ ✅ Basic ✅ ❌ ✅ Premium
Real-time Chat ❌ ❌ ❌ ❌ ✅ Unique
Broadcast ❌ ❌ ✅ ❌ ✅
Automation Rules ⚠️ ❌ ✅ ⚠️ Code-level ✅
Multi-tenant ❌ ❌ ❌ ❌ ✅ Unique
Visual Flow Builder ⚠️ ❌ ❌ ❌ ✅
Contact Mgmt ❌ ❌ ✅ ❌ ✅
Template System ❌ ❌ ✅ ❌ ✅
Poll/Location/Contact ❌ ❌ ❌ ❌ ✅
Analytics Dashboard ❌ ❌ ✅ ❌ ✅
SDK (npm) ❌ ❌ ❌ ✅ (is SDK) ✅
Integrations (n8n/CW/WP) ❌ ❌ ❌ Chatwoot/S3 ✅
Webhook System ✅ ✅ ✅ ✅ ✅
Group Management ⚠️ ✅ ❌ ✅ ✅
API Documentation ✅ ✅ ✅ ✅ ✅
License MIT Freemium Paid ⚠️ License key MIT

Note

OpenWA is a library/CLI (requires coding), not a managed platform. MultiWA's advantage is being a full-stack platform with Dashboard + API + Automation + Visual Builder in one self-hosted package.

🔧 Engine Strategy

Multi-Engine Architecture

MultiWA V3 mendukung multiple WhatsApp engines melalui Hexagonal Architecture:

┌─────────────────────────────────────────────────┐
│              Engine Abstraction Layer            │
│           (IWhatsAppEngine Interface)            │
├─────────────┬─────────────┬─────────────────────┤
│   Baileys   │  WA-Web.js  │   Cloud API (Future) │
│   Adapter   │   Adapter   │      Adapter         │
└─────────────┴─────────────┴─────────────────────┘

Engine Comparison

Aspect Baileys whatsapp-web.js
Type WebSocket (pure Node.js) Browser-based (Puppeteer)
Memory ~50-100MB ~200-400MB
Stability Medium (more updates needed) High (battle-tested)
Features Full Full
Maintenance Active (WhiskeySockets) Active
Your V2 Experience - ✅ Already used

Recommendation: Both (User Choice)

  1. Primary: whatsapp-web.js - Lebih stabil, sudah proven di V2
  2. Secondary: Baileys - Untuk scaling (lower memory)
  3. User dapat memilih engine per profile via dashboard

📊 Phase Overview

Phase Duration Focus Status
1 Week 1-4 Core Infrastructure ✅ Completed
2 Week 5-7 Messaging Core ✅ Completed
3 Week 8-10 Business Features ✅ Completed
4 Week 11-13 Automation ✅ Completed
5 Week 14-16 Enterprise ✅ Completed
6 Ongoing Ecosystem ✅ Completed

🏗️ Phase 1: Core Infrastructure

1.1 Monorepo Structure

multiwa-gateway/
├── apps/
│   ├── api/                 # NestJS + Fastify
│   ├── admin/               # Next.js 14 Dashboard
│   └── worker/              # BullMQ Jobs
│
├── packages/
│   ├── core/                # Domain (Hexagonal)
│   ├── engines/             # WhatsApp Adapters
│   │   ├── whatsapp-web-js/ # Primary
│   │   ├── baileys/         # Secondary
│   │   └── mock/            # Testing
│   ├── database/            # Prisma
│   ├── ui/                  # Shared Components
│   └── config/              # Configs
│
├── docker/
└── docs/

1.2 Database Schema

-- Multi-tenant hierarchy
CREATE TABLE organizations (
  id UUID PRIMARY KEY,
  name VARCHAR(255) NOT NULL,
  slug VARCHAR(100) UNIQUE NOT NULL,
  plan VARCHAR(50) DEFAULT 'free'
);

CREATE TABLE workspaces (
  id UUID PRIMARY KEY,
  organization_id UUID REFERENCES organizations(id),
  name VARCHAR(255) NOT NULL,
  slug VARCHAR(100) NOT NULL
);

CREATE TABLE profiles (
  id UUID PRIMARY KEY,
  workspace_id UUID REFERENCES workspaces(id),
  name VARCHAR(255) NOT NULL,
  phone VARCHAR(20),
  engine VARCHAR(50) NOT NULL,  -- 'whatsapp-web-js' | 'baileys'
  status VARCHAR(50) DEFAULT 'disconnected',
  session_data JSONB
);

1.3 Engine Port Interface

export interface IWhatsAppEngine {
  // Lifecycle
  initialize(config: EngineConfig): Promise<void>;
  connect(): Promise<void>;
  disconnect(): Promise<void>;
  getQRCode(): AsyncGenerator<string>;
  
  // Messaging
  sendText(to: string, text: string): Promise<MessageResult>;
  sendMedia(to: string, media: MediaPayload): Promise<MessageResult>;
  
  // Events
  on(event: EngineEvent, handler: EventHandler): void;
}

📨 Phase 2: Messaging Core

Message Types ✅

  • Text, Image, Video, Audio, Document
  • Location, Contact, Sticker
  • Reply/Quote, Reactions, Poll
  • Groups, Channels, Status

Webhook Events

  • message.received, message.sent
  • message.delivered, message.read
  • connection.update, group.update

🚀 Phase 3: Business Features

Broadcast System

  • Recipient selection (tags, contacts, CSV)
  • Scheduling (one-time, recurring)
  • Variable personalization
  • Progress tracking

Template Management

  • Categories, Variables
  • Preview & usage stats

Contact Management

  • Tags, Custom fields
  • Import/Export CSV

🤖 Phase 4: Automation

Rule Engine

  • Trigger: keyword, regex, new_contact, schedule
  • Actions: reply, add_tag, webhook, delay

AI Integration

  • Webhook-based (ChatGPT, Gemini, Claude)
  • MCP Protocol for AI agents

🏢 Phase 5: Enterprise

  • RBAC with custom roles
  • Audit logging
  • Analytics dashboard
  • Visual Flow Builder (React Flow)

🌐 Phase 6: Ecosystem

  • TypeScript SDK
  • n8n integration
  • Chatwoot integration
  • WordPress plugin

🛠️ Tech Stack

Layer Technology
Backend NestJS + Fastify
Database PostgreSQL + Prisma
Cache/Queue Redis + BullMQ
Frontend Next.js 14 + shadcn/ui
Monorepo Turborepo + pnpm
Deploy Docker Compose

✅ Completion Summary

All phases fully implemented as of 8 Februari 2026:

Gap Area Status Package/Location
Dashboard Fixes ✅ apps/admin
Automation Wiring ✅ apps/api + apps/admin
Template Integration ✅ apps/admin (Messages + Broadcast)
Missing Message Types ✅ Location, Poll, Contact, Sticker
Visual Flow Builder ✅ apps/admin/automation/builder
Analytics Dashboard ✅ apps/admin/analytics
TypeScript SDK ✅ packages/sdk (7 client modules)
n8n Integration ✅ packages/n8n-nodes-multiwa
Chatwoot Bridge ✅ packages/chatwoot-bridge
WordPress Plugin ✅ packages/wordpress-plugin

Document permanent - untuk tracking progress development