Kaia
Kaia is a free, open-source, self-hosted and web platform for embedding customizable AI chatbots on websites with one code snippet.
What Kaia is
Kaia is a free, open-source, self-hosted and web platform for embedding customizable AI chatbots on websites with one code snippet. Its GPT-4o assistant streams responses and is designed to answer questions, handle leads, book appointments, and support sales. One dashboard can manage unlimited branded chatbots across multiple domains, with per-domain icon, background-color, and text-color settings. Features include slot-based appointment booking, segmented email campaigns, product showcases in the chat window, and live-agent takeover through Pusher. The dashboard displays conversation statistics, captured leads, and bookings. Kaia is Docker-ready, Vercel-ready, and can run wherever Node.js runs. Quick start requirements are Node.js 18.17 or later and PostgreSQL 15 or later, with Docker Compose available for database setup. The MIT-licensed project lists OpenAI, Clerk, Stripe, Pusher, Uploadcare, and Nodemailer in its stack.
Good
- GPT-4o assistant with streaming responses
- Unlimited branded chatbots across domains
- Appointment booking and segmented email campaigns
- Live-agent takeover through Pusher
- Docker- and Vercel-ready
Watch out
- Requires Node.js 18.17 or later
- Requires PostgreSQL 15 or later
- Several integrations remain roadmap items
Who it suits
Kaia suits website operators who want branded GPT-4o chatbots with lead capture, booking, and live handoff. It is intended for self-hosting teams comfortable with Node.js and PostgreSQL.
Verdict
Kaia combines website chat, sales workflows, bookings, and agent takeover in a self-hosted platform. Its infrastructure requirements and roadmap-limited integrations matter when planning deployment.
The facts
Each one read from Kaia's own pages, with the date it was checked.
What it does
- Additional features
- Kaia includes slot-based appointment booking, email campaigns for segmented customer lists, and product showcases inside the chat window.checked 9 Oct 2026
- AI
- The core features table describes a GPT-4o-powered assistant with streaming responses.checked 9 Oct 2026
- Chatbot
- The assistant uses GPT-4o and supports streaming responses.checked 9 Oct 2026
- Chatbots
- A single dashboard can manage unlimited branded chatbots across multiple domains.checked 9 Oct 2026
- Customization
- The maker lists per-domain customization for the chatbot icon, background color and text color.checked 9 Oct 2026
- Customization and analytics
- Each domain can have its own chatbot icon and colors, and the dashboard shows conversation statistics, captured leads, and bookings.checked 9 Oct 2026
- Deployment
- The maker says Kaia is Docker-ready and Vercel-ready, and can run anywhere Node.js runs.checked 9 Oct 2026
- Integrations
- The listed stack includes OpenAI, Clerk, Stripe, Pusher, Uploadcare and Nodemailer.checked 9 Oct 2026
- Lead and sales tools
- Kaia includes appointment booking, email campaigns for segmented customer lists, and product showcases inside the chat window.checked 9 Oct 2026
- License
- Kaia is licensed under the MIT License.checked 9 Oct 2026
- Live support
- An agent can take over any live conversation through Pusher.checked 9 Oct 2026
- Multiple domains
- The dashboard can manage unlimited branded chatbots across domains.checked 9 Oct 2026
- Pricing details
- The README mentions Stripe subscriptions with Standard, Plus and Ultimate tiers but does not state their prices.checked 9 Oct 2026
- Pricing information
- The README names Stripe subscription tiers Standard, Plus, and Ultimate but does not state their prices.checked 9 Oct 2026
- Product
- Kaia is an open-source AI SaaS platform for embedding a customizable AI chatbot on a website with a single code snippet.checked 9 Oct 2026
- Requirements
- The quick start lists Node.js 18.17 or later and PostgreSQL 15 or later, with Docker Compose offered as a database setup option.checked 9 Oct 2026
- Roadmap limits
- WhatsApp and Telegram integrations, multilingual chat, rate limiting and analytics export are listed as roadmap items.checked 9 Oct 2026
- Sales tasks
- The chatbot is designed to handle leads, answer questions, book appointments and help close deals around the clock.checked 9 Oct 2026
- Security policy
- The security policy says only the current main branch receives security patches and asks reporters to disclose vulnerabilities privately.checked 9 Oct 2026
- Security response
- The policy gives a 48-hour acknowledgement target, a five-business-day initial assessment target, and a 30-day patch target for confirmed issues.checked 9 Oct 2026
- Security support
- The security policy supports only the latest main branch and asks reporters to submit vulnerabilities privately.checked 9 Oct 2026
The company
- License and maker
- Kaia is MIT-licensed and the README identifies Andrea D'Ambrosio as its maker.checked 9 Oct 2026
Money
- Planned integrations
- The roadmap lists WhatsApp, Telegram, and n8n, Zapier, and Make webhook triggers as planned items.checked 9 Oct 2026
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