Eva: WhatsApp Chatbot with Omnichannel Inbox for Sales

💬 The perfect first touch, every time

Eva is the conversational agent answering every WhatsApp message for the business: it handles inquiries, qualifies the lead with natural questions, and routes it to the right salesperson — at any hour, with no message left unanswered.

📥 Omnichannel inbox for the team

Conversations don't die in the bot: they live in a unified inbox where the sales team sees the full history, takes over when needed, and records the outcome. The bot → human handoff is seamless for the customer.

🔧 Engineering under the chat

• Evolution API (self-hosted WhatsApp on own VPS): no third-party dependency for the business's most important channel.
• Signed webhooks with cryptographic verification of every incoming event.
• Rate limiting to protect the platform and the number.
• Realtime with Pusher: every message appears in the inbox instantly.

🎯 Result

No lead goes cold from a late reply: the bot answers in seconds, qualifies, and the team only spends time on conversations worth having.