OpenWA
OpenWA is a free, open-source gateway that lets applications communicate with WhatsApp through a REST API.
What OpenWA is
OpenWA is a free, open-source gateway that lets applications communicate with WhatsApp through a REST API. It is self-hosted, so sessions, messages and media stay on the user's server. The gateway handles text, images, video, audio, documents and stickers, as well as reactions, replies, forwards and bulk sends. A single instance can manage several WhatsApp accounts using QR-code or pairing-code authentication. Real-time webhooks report message and session events, with HMAC-signed requests, and a bundled dashboard handles sessions, webhooks and API keys. Operators can choose SQLite or PostgreSQL, local or S3/MinIO media storage, and optional Redis caching. OpenWA supports Baileys and whatsapp-web.js, and the maker documents n8n community nodes plus JavaScript/TypeScript, Python and PHP SDKs. Plugins can extend the core without forking it. Security controls include scoped API keys, IP allow-lists, rate limiting and audit features. It uses unofficial, reverse-engineered WhatsApp clients, not Meta's official Cloud API, and account restriction or ban risk is non-zero. Production deployment calls for Linux, Docker Engine and Docker Compose.
Good
- Free forever, open-source and self-hosted.
- Runs several WhatsApp accounts in one instance.
- Supports multiple message types and bulk sends.
- Offers webhooks, a dashboard and configurable storage.
- Documents SDKs, n8n nodes and plugin extensions.
Watch out
- Uses unofficial WhatsApp clients with non-zero ban risk.
- Production deployment requires Linux, Docker and Compose.
- No paid tier or feature gates; deployment is self-hosted.
Who it suits
OpenWA suits developers and organizations that want to host a WhatsApp messaging gateway and manage its accounts, integrations and storage themselves. It is not a fit for anyone requiring Meta's official Cloud API, since it uses unofficial clients and carries a non-zero account restriction or ban risk.
Verdict
OpenWA provides a broad set of messaging, session and integration controls for a self-hosted WhatsApp gateway. Consider its unofficial-client risk and Linux-based deployment requirements before adopting it.
Plans and prices
From OpenWA's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| OpenWA | Free | No paid tier or feature gates · self-hosted deployment · Free forever; MIT licensed |
The facts
Each one read from OpenWA's own pages, with the date it was checked.
What it does
- Dashboard
- A bundled web dashboard manages sessions, webhooks and API keys.checked 8 Oct 2026
- Data control
- OpenWA says it is self-hosted and that sessions, messages and media stay on the user's server.checked 8 Oct 2026
- Deployment requirement
- The production deployment guide specifies a Linux host with Docker Engine and the Docker Compose plugin.checked 8 Oct 2026
- Integrations
- The maker documents community nodes for n8n and SDKs for JavaScript/TypeScript, Python and PHP.checked 8 Oct 2026
- Messaging
- The gateway supports text, image, video, audio, document and sticker messages, along with reactions, replies, forwards and bulk sends.checked 8 Oct 2026
- Plugin ecosystem
- Plugins can add behavior such as translation or Chatwoot synchronization without forking the core codebase.checked 8 Oct 2026
- Product
- OpenWA is an open-source, self-hosted WhatsApp API gateway that wraps a WhatsApp connection in a REST API for applications to send and receive messages.checked 8 Oct 2026
- Security controls
- The product lists API-key authentication, scoped keys, per-key IP allow-lists, CIDR IP whitelisting, rate limiting and audit features.checked 8 Oct 2026
- Sessions
- One instance can run several WhatsApp accounts concurrently, with QR-code or pairing-code authentication.checked 8 Oct 2026
- Storage options
- Users can configure SQLite or PostgreSQL, local or S3/MinIO media storage, and optional Redis caching.checked 8 Oct 2026
- Unofficial interface
- OpenWA connects through unofficial, reverse-engineered WhatsApp clients rather than Meta's official Cloud API, and its documentation says account restriction or ban risk is non-zero.checked 8 Oct 2026
- Webhooks
- OpenWA delivers message and session events to endpoints in real time and signs webhook requests with HMAC.checked 8 Oct 2026
The company
- Maker
- The site credits Yudhi Armyndharis and the OpenWA Community for making the project.checked 8 Oct 2026
Where it runs
- WhatsApp engines
- OpenWA supports Baileys, a browser-free WebSocket client, and whatsapp-web.js, a Chromium/Puppeteer-based client.checked 8 Oct 2026
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