Dextrus × OptiSara · AI Business Assistant

Turn website visitors into customers automatically

An AI chatbot + automation suite that captures leads, nurtures them, takes orders, and books appointments — 24/7. Powered by RAG over your business knowledge.

See How It Works
No code required
WhatsApp + Web
Hosted in Australia
Dex · Dextrus × OptiSara
Online · Smart recommendations
Live
Hi! I'm Dex. Looking for a 2BHK in Melbourne CBD?
Yes — budget around $500k.
Got it. I have 3 listings in Docklands & Southbank that match. Want to book a site visit this Saturday?
Saturday 2:30pm works.
✓ Booking confirmed · Lead saved as Hot · CRM #1042

"Your AI employee that captures, engages, and converts customers 24/7."

Everything you need to convert traffic into revenue

Four AI-powered modules, one unified admin portal.

Lead Generation

Capture name, email, phone and intent in a natural chat — synced to your CRM in seconds.

Lead Nurturing

Agentic AI follows up with budget, timeline, and tailored recommendations until they're sales-ready.

Orders via Chat

Suggest products, build the cart, and complete checkout — all inside the conversation.

Appointment Booking

Show real-time slots, confirm bookings, and send reminders without leaving the chat.

How Dextrus works

From first hello to closed deal — fully automated, with humans in the loop where it matters.

Open full workflow
01
Visitor lands on your site

Dex greets them with a contextual opener.

02
Conversation captures intent

Name, email, phone, requirement — all parsed by AI.

03
RAG answers + recommends

Pulls from your knowledge base, products, policies.

04
Books, sells, or hands off

Closes the loop or routes to the right human.

Powered by RAG

Answers grounded in your business

Dex retrieves from your FAQs, product catalog, policies, and service areas — then responds conversationally with confidence cues like "Based on our services in Melbourne…"

Knowledge base
Real-time retrieval
Source-grounded
Confidence scored
User asks
"Do you serve Melbourne suburbs?"
RAG retrieves
service-areas.md · 0.92
melbourne-policy.pdf · 0.87
faq.json · 0.61
Dex responds
"Based on our services in Melbourne, yes — we cover all metro suburbs including CBD, Docklands, Richmond and the Eastern corridor."

See it on your own data

Start the live chatbot demo, then open the admin portal to see leads, conversations and bookings populate in real-time.