The knowledge base your AI agent actually answers from
Your website, documents, FAQs and business details in one place. The Fellix AI agent answers only from what you have given it, and says so when something is not covered.
Connect your web chat & social account in under 3 minutes.
What an AI knowledge base is, and why it decides answer quality
An AI agent is only as good as what it knows about your business. A general model can write a fluent reply, but it does not know your opening hours, your cancellation policy or which services you actually offer, and when it guesses, it guesses confidently.
The Fellix knowledge base is the set of sources your AI agent is allowed to answer from. Every reply on WhatsApp, Instagram, Messenger, web chat and email is grounded in it, so the answer a customer gets is the answer your team would give.
Everything the agent can learn from
Add knowledge in whichever form you already have it:
- Your website — Fellix crawls the pages on your verified domain, respects robots.txt, lets you exclude pages, and re-crawls automatically so answers follow your site when it changes.
- Documents — upload PDF, plain text, Markdown or HTML files such as price lists, policies and service guides.
- FAQs — write question and answer pairs, add them in bulk, or let Fellix draft FAQs for you to review.
- Business info — description, opening hours, address, pricing, booking and cancellation policies, payment methods and contact details.
- Text snippets and Notion pages — paste a note, or connect a Notion page that is re-read when it changes.
- Help centre articles — the articles you publish for customers double as knowledge for the agent.
Answers you can trust, and a clean handoff when there is no answer
The agent is instructed never to invent a service, a price or availability. When the knowledge base does not cover a question, it says so honestly and hands the conversation to your team, with the full history attached so nobody starts from scratch.
You decide how the handoff works, what message the customer sees, and which phrases the agent must never use. Leaving a topic such as pricing out of the knowledge base is a simple way to make sure every quote goes to a person.
Test it before customers see it
Ask the agent the questions your customers actually ask in a test chat before it goes live. Build scenario suites, have each answer graded, and compare the results with the previous run whenever you change what the agent knows, so an update never silently makes answers worse.
Different knowledge for different agents
Knowledge can belong to your whole organisation or to a single AI agent, and an agent can leave out items it inherits. A channel uses the knowledge of the agent assigned to it, so the agent on your sales WhatsApp number and the one on your support web chat can each answer from what is relevant to them.
Knowledge Base: common questions
What file types can I upload to the knowledge base?

PDF, plain text (.txt), Markdown (.md) and HTML files. Text is extracted in the background and the panel shows when each source is ready to answer from.
Does the AI agent make up answers it does not know?

No. It is instructed to answer only from your knowledge base and never to invent services, prices or availability. When something is not covered, it says so and hands the conversation to your team.
How does the knowledge base stay up to date?

Websites are re-crawled automatically and can be re-crawled on demand, connected Notion pages are re-read when they change, and documents, FAQs and business info can be edited at any time.
Can I test the agent before it talks to customers?

Yes. Use the test chat to ask real questions, and run scenario suites that grade every answer and compare each run with the last one.
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