OpenWA

Open Source WhatsApp API Gateway

Features • Quick Start • Docs • API • Contributing

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✨ Why OpenWA?

OpenWA is a free, open-source WhatsApp API Gateway designed for developers who need full control over their messaging infrastructure—without vendor lock-in or hidden paywalls.

Built on a pluggable architecture, OpenWA lets you swap database engines (SQLite/PostgreSQL), storage backends (Local/S3), and cache layers (Memory/Redis) without changing a single line of application code.

🔓 100% Open Source	No licensing fees, no feature locks, full source code access
🏗️ Pluggable Architecture	Swap adapters for database, storage, and cache via config
🖥️ Full Dashboard	Modern React UI for session, webhook, and API key management
🔹 Multi-Session Ready	Run multiple WhatsApp sessions concurrently on one instance
🐳 Docker Native	Production-ready with zero configuration
🔗 n8n Integration	Community nodes for workflow automation

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🎯 Features

Core Features

Feature	Status	Description
REST API	✅	Full WhatsApp API via HTTP endpoints
Multi-Session	✅	Manage multiple WhatsApp accounts
Webhooks	✅	Real-time events with HMAC signature
Web Dashboard	✅	Visual management interface
API Key Auth	✅	Secure API authentication
Swagger Docs	✅	Interactive API documentation

Messaging

Feature	Status	Description
Text Messages	✅	Send/receive text messages
Media Messages	✅	Images, videos, documents, audio
Message Reactions	✅	React to messages with emoji
Bulk Messaging	✅	Send to multiple recipients
Message Status	✅	Track delivery and read receipts

Advanced

Feature	Status	Description
Groups API	✅	Create, manage, and message groups
Channels/Newsletter	✅	WhatsApp Channels support
Labels Management	✅	Organize chats with labels
Proxy Support	✅	Per-session proxy configuration
Rate Limiting	✅	Configurable request limits
CIDR Whitelisting	✅	IP-based access control
Audit Logging	✅	Track all API operations

Infrastructure

Feature	Status	Description
SQLite	✅	Zero-config embedded database
PostgreSQL	✅	Production-grade database
Redis Cache	✅	Optional performance caching
S3/MinIO Storage	✅	Scalable media storage
Docker	✅	One-command deployment
Health Checks	✅	Kubernetes-ready probes
Data Migration	✅	Export/import between backends

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🚀 Quick Start

Option A: Docker (Recommended)

# Clone and start
git clone https://github.com/rmyndharis/OpenWA.git
cd OpenWA
docker compose -f docker-compose.dev.yml up -d

# Access
# Dashboard: http://localhost:2886
# API: http://localhost:2785/api
# Swagger: http://localhost:2785/api/docs

Option B: Local Development

# Clone repository
git clone https://github.com/rmyndharis/OpenWA.git
cd OpenWA

# Install dependencies (includes dashboard)
npm install

# Start API + Dashboard (config is auto-generated on first run)
npm run dev

# Access
# Dashboard: http://localhost:2886
# API: http://localhost:2785/api
# Swagger: http://localhost:2785/api/docs

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🏭 Production Deployment

For production, use the main docker-compose.yml with optional services:

# Basic production (SQLite, local storage)
docker compose up -d

# With PostgreSQL database
docker compose --profile postgres up -d

# Full stack (PostgreSQL, Redis, Dashboard, Traefik)
docker compose --profile full up -d

Profile	Services
postgres	PostgreSQL database
redis	Redis cache
minio	S3-compatible storage
with-dashboard	Web dashboard
with-proxy	Traefik reverse proxy
full	All services above

Development vs Production

• Development (docker-compose.dev.yml): SQLite, local storage, both API & Dashboard included
• Production (docker-compose.yml): Configurable database, profiles for optional services

🔌 Ports

Service	Port	Description
API	2785	REST API endpoints
Dashboard	2886	Web management interface
Swagger	2785/api/docs	Interactive API docs

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📡 API Examples

Create a Session

curl -X POST http://localhost:2785/api/sessions \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{"name": "my-bot"}'

Start Session & Get QR Code

# Start the session
curl -X POST http://localhost:2785/api/sessions/{sessionId}/start \
  -H "X-API-Key: YOUR_API_KEY"

# Get QR code (scan with WhatsApp)
curl http://localhost:2785/api/sessions/{sessionId}/qr \
  -H "X-API-Key: YOUR_API_KEY"

Send a Message

curl -X POST http://localhost:2785/api/sessions/{sessionId}/messages/send-text \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "chatId": "628123456789@c.us",
    "text": "Hello from OpenWA!"
  }'

Setup Webhook

curl -X POST http://localhost:2785/api/sessions/{sessionId}/webhooks \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "url": "https://your-server.com/webhook",
    "events": ["message.received", "session.status"],
    "secret": "your-hmac-secret"
  }'

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🛠 Tech Stack

Layer	Technology
Runtime	Node.js 22 LTS
Framework	NestJS 11.x
Language	TypeScript 5.x
WA Engine	whatsapp-web.js
Database	SQLite / PostgreSQL
Cache	Redis (optional)
Storage	Local / S3 / MinIO
ORM	TypeORM
Container	Docker + Docker Compose

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📁 Project Structure

openwa/
├── src/
│   ├── main.ts                 # Application entry point
│   ├── app.module.ts           # Root module
│   ├── config/                 # Configuration
│   ├── common/                 # Shared utilities
│   │   ├── cache/              # Redis caching
│   │   └── storage/            # File storage (Local/S3)
│   ├── core/                   # Core systems
│   │   ├── hooks/              # Plugin hooks
│   │   └── plugins/            # Plugin system
│   ├── engine/                 # WhatsApp engine abstraction
│   └── modules/
│       ├── session/            # Session management
│       ├── message/            # Message handling
│       ├── webhook/            # Webhook management
│       ├── group/              # Groups API
│       ├── contact/            # Contacts API
│       ├── auth/               # API key authentication
│       ├── infra/              # Infrastructure management
│       └── health/             # Health checks
├── dashboard/                  # React web dashboard
├── docs/                      # Documentation
├── docker-compose.yml
├── Dockerfile
└── package.json

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📚 Documentation

Comprehensive documentation is available in the docs/ folder:

Document	Description
Project Overview	Introduction and goals
Requirements	Feature specifications
Architecture	System design
Security	Security implementation
Database	Data models and migrations
API Spec	Complete API reference
Development	Coding standards
Migration Guide	Database & storage migration

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🤝 Contributing

We welcome contributions! Here's how to get started:

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

Please read our Development Guidelines for coding standards and best practices.

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📄 License

This project is licensed under the MIT License – free for personal and commercial use.

See LICENSE for details.

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