OpenWA

Free, Open Source, Self-Hosted WhatsApp API Gateway

17 articles 5.2k View on GitHub ↗
17 articles
How OpenWA Validates API Requests Using the X-API-Key Header

Learn how OpenWA validates API requests using X-API-Key, hashing, and database checks for security. Discover theApiKeyGuard and AuthService components.

how-to-guide
May 21, 2026
How OpenWA Emits WebSocket Real-Time Events for Session Status

Discover how OpenWA emits WebSocket real-time events for session status using a room-based Socket.io gateway. Learn about targeted and wildcard channel subscriptions for seamless updates.

internals
May 21, 2026
How Does the Security Middleware Implement Authentication in OpenWA?

Discover how OpenWA's security middleware and Auth module handle authentication. Learn how API keys are validated and security headers are injected for robust security.

internals
May 21, 2026
How Audit Logging Tracks API Operations in OpenWA: Complete Implementation Guide

Discover how OpenWA audit logging tracks API operations with NestJS and TypeORM. Learn to capture API keys, sessions, HTTP metadata, and errors for robust security and monitoring.

how-to-guide
May 21, 2026
How to Implement Bulk Messaging to Multiple Recipients with OpenWA: A Complete Guide

Learn to implement bulk messaging with OpenWA's BulkMessageService. Send personalized messages efficiently with rate limiting, progress tracking, and cancellation.

how-to-guide
May 21, 2026
How to Create and Manage WhatsApp Channels or Newsletters Using OpenWA

Learn how to create and manage WhatsApp Channels or newsletters with OpenWA. This guide explains how to use the OpenWA REST API to interact with WhatsApp Channels, simplifying your communication strategy.

how-to-guide
May 21, 2026
How to Send and Handle Message Reactions in OpenWA: REST API and SDK Guide

Learn to send and handle message reactions in OpenWA using the REST API and SDK. This guide details the POST messages react and GET reactions endpoints for seamless integration.

how-to-guide
May 21, 2026
How to Configure Traefik Reverse Proxy with Docker Profiles for OpenWA

Learn to configure Traefik reverse proxy with Docker profiles for OpenWA. Easily manage API and full stack routing using simple profile commands for efficient deployment.

how-to-guide
May 21, 2026
Understanding the Webhook Retry Mechanism with maxRetries in OpenWA

Learn how OpenWA's webhook retry mechanism with maxRetries ensures reliable delivery. Explore automatic resends, exponential back-off, and database persistence for robust integrations.

deep-dive
May 21, 2026
How to Manage Multiple WhatsApp Sessions Concurrently Using OpenWA

Learn to manage multiple WhatsApp sessions concurrently with OpenWA. This guide shows how to use its session-centric architecture and APIs for unlimited simultaneous connections.

how-to-guide
May 21, 2026
How OpenWA Handles Graceful Shutdown of Active Session Engines

Learn how OpenWA gracefully shuts down active session engines. Discover the coordinated shutdown sequence ensuring clean WebSocket connection termination and resource release before process exit.

internals
May 21, 2026
How to Configure CIDR Whitelisting for API Access Control in OpenWA

Learn to configure CIDR whitelisting for API access control in OpenWA. Secure your API by restricting access to specific IP addresses and networks using the allowedIps array.

how-to-guide
May 21, 2026

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