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title: ReplyFlow
emoji: 💬
colorFrom: green
colorTo: yellow
sdk: docker
pinned: false
app_port: 7860
---
# ReplyFlow
Customer chatbot for **web** (WhatsApp-ready): grounded RAG
answers, lead capture, appointment slots, and human handoff.
**Demo claim:** 60% of questions handled without a human,
appointment booking 24/7.
## Demo business
Fictional SME **Nordic Paper Solutions** (FAQ EN / FR / RU).
Safe for demos — no real customer data.
## How to use
1. Open **Live demo** and ask about products, pricing, delivery.
2. Try booking a call (demo slots if Cal.com is not set).
3. Check **Dashboard** for conversations and KPIs.
## Space secrets
In **Settings → Variables and secrets**, set:
| Name | Value |
|------|--------|
| `OPENAI_API_KEY` | your OpenAI key (**Secret**) |
| `OPENAI_MODEL` | `gpt-4o-mini` |
Optional: `CALCOM_*`, `WHATSAPP_*`, `HANDOFF_WEBHOOK_URL`.
Without OpenAI the UI still works (demo grounded answers).
With OpenAI, chat replies use the LLM; retrieval stays local
so the Space starts fast on Hugging Face.
## Stack
FastAPI · JSON RAG store · OpenAI chat · SQLite · Docker Space
|