Evolution API

Evolution API is an open-source WhatsApp integration platform that transforms how businesses communicate with customers through messaging automation. Originally developed as a WhatsApp controller API using the Baileys library, it has evolved into a comprehensive messaging hub supporting multiple services and integrations. The platform enables developers to build sophisticated chatbots, automate customer interactions, and create seamless messaging workflows without relying on expensive proprietary solutions or giving up control of their data.

Common Use Cases

Customer support teams deploy Evolution API to automate initial customer interactions, route inquiries to appropriate departments, and provide instant responses to frequently asked questions through WhatsApp chatbots built with Typebot or custom integrations. E-commerce businesses use the platform to send order confirmations, shipping updates, and delivery notifications directly to customers' WhatsApp, improving engagement rates compared to traditional email communications. Marketing teams leverage Evolution API for promotional campaigns, sending personalized messages to opted-in customers with product announcements, special offers, and event invitations. Healthcare providers implement appointment reminder systems that reduce no-shows by sending WhatsApp confirmations and allowing patients to reschedule through automated conversations. Real estate agencies automate property inquiry responses, qualifying leads through conversational flows before connecting them with agents. Educational institutions use the platform for student communications, sending class schedules, assignment reminders, and grade notifications through WhatsApp's familiar interface.

Key Features

• Multiple WhatsApp connection methods including Baileys (free) and official Cloud API
• Multi-instance support for managing multiple WhatsApp numbers from one deployment
• Typebot integration for visual chatbot building without coding
• Chatwoot integration for customer support ticketing and team collaboration
• OpenAI integration for AI-powered conversational responses
• n8n and workflow automation platform compatibility
• Webhook support for real-time event notifications
• Message queuing with RabbitMQ, Kafka, and AWS SQS support
• RESTful API for programmatic control and custom integrations
• QR code authentication for easy WhatsApp connection setup
• Media file handling with optional S3 storage integration
• WebSocket support for real-time bidirectional communication

Why deploy Evolution API on Hostinger VPS

Deploying Evolution API on Hostinger VPS ensures complete ownership of your messaging infrastructure and customer conversation data, eliminating dependence on third-party SaaS platforms that may access, analyze, or monetize your communications. Self-hosting provides unlimited message volumes without per-message fees that make commercial WhatsApp API providers expensive at scale, allowing businesses to communicate freely without cost concerns affecting customer engagement strategies. The PostgreSQL database stores all conversation history, contact information, and instance configurations on your infrastructure, maintaining compliance with data protection regulations and internal security policies. Dedicated VPS resources ensure consistent API response times for time-sensitive customer interactions, avoiding the shared infrastructure slowdowns common with cloud messaging services during peak hours. With full server access, you can implement custom backup strategies, integrate with internal systems through private networks, and scale resources as your messaging volume grows without migrating platforms or losing historical data.