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Communication API Chatbot Messaging WhatsApp API CRM Integration Business Automation

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Last Updated: 08-24-2026 01:02 AM (UTC)

Evolution API

Evolution API gives your applications a production-ready REST interface to WhatsApp, supporting both free Baileys-based Web connections and Meta's official Business Cloud API from the same server. With 9,200+ stars and 7,100+ forks, it is the most widely deployed WhatsApp integration layer available. Each installation handles unlimited isolated instances (one per phone number) with independent auth, webhooks, and database separation via Prisma ORM against PostgreSQL or MySQL, cached through Redis. Message types include text, images, audio, video, documents, contacts, locations, interactive buttons, list messages, carousel cards, and PIX payment links through unified endpoints. Native integrations connect to Typebot for chatbot flows, Chatwoot for multi-agent support, Dify and OpenAI for AI conversations, N8N and Flowise for workflow automation, and RabbitMQ, Kafka, or SQS for enterprise event streaming. Socket.io delivers real-time message and connection events. Amazon S3 or MinIO handles media offloading. The Evolution Manager v2 dashboard provides visual instance creation, QR code scanning, connection monitoring, and integration configuration without touching the API directly. Docker Compose bundles the server, PostgreSQL, and Redis with environment-variable-driven setup. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

Evolution API
Evolution API
Evolution API
Evolution API

Benefits

  • Dual WhatsApp Provider Support
  • Connect through the free Baileys-based WhatsApp Web protocol for development and chatbots, or switch to Meta's official Business Cloud API for production-scale messaging with template support and compliance guarantees.
  • Multi-Tenant Instance Isolation
  • Run dozens of WhatsApp numbers from one server with fully isolated instances, each maintaining independent authentication tokens, webhook endpoints, database records, and connection states through Prisma ORM.
  • Native Chatbot and CRM Integrations
  • Connect directly to Typebot, Chatwoot, Dify, OpenAI, N8N, and Flowise without middleware, enabling no-code chatbot flows, AI-powered responses, and multi-agent customer support from a single installation.
  • Enterprise Event Streaming
  • Route message events, delivery receipts, and connection state changes to RabbitMQ, Apache Kafka, or Amazon SQS for real-time processing pipelines alongside Socket.io WebSocket broadcasting.

Features

  • Rich Message Types
  • Send text, images, audio, video, documents, contacts, locations, interactive buttons, list messages, carousel cards, and PIX payment links through unified REST endpoints.
  • QR Code Authentication
  • Scan WhatsApp Web QR codes through the management dashboard or API endpoint to connect Baileys instances without manual phone configuration steps.
  • Webhook Event System
  • Configure per-instance webhook URLs receiving real-time events for messages, delivery receipts, presence updates, group changes, and connection state transitions.
  • Evolution Manager Dashboard
  • Open-source web interface for creating instances, monitoring connections, configuring integrations, and managing WhatsApp sessions with visual QR code scanning.
  • Docker Compose Deployment
  • Single-command stack deployment bundling the API server, PostgreSQL database, and Redis cache with environment-variable configuration and automatic migrations.