The answer layer for docs-as-code teams

AI assistant builder for your docs

Configure an AI assistant for your website or documentation, preview it live, and copy the embed code. No signup required.

14-day free trial · No credit card required · Live in 15 min
  • Setup

    Project configuration

    Essential settings to get started

    Enter your own project ID to preview the assistant with your content. Create a project →

    Required for private projects. Public projects need no key.

    Only for self-hosted or custom endpoints.

    Ties conversations to a user in your analytics.

    Extra context attached to each conversation.

  • Button

    Button layout

    Customize the floating or inline trigger button

    To place the button yourself with CSS, use button-position="custom".

    Skips loading Inter if your site already ships a font.

  • Chat window

    Modal layout & features

    Configure window position and interactive elements

    Shown on the Ask AI row and the assistant avatars.

  • Search results

    Search behavior

    Wording and controls for the search modal

    Wording of the row that hands the query to the assistant.

    Puts the page title above the section title instead of beside it.

    Also hides the shortcut hint inside the bar.

  • Style

    Colors

    Customize the widget colors to match your brand

    #0070F4
    #005FCC
    #F9FAFB
    #191919
    #CCCCCC
    #5F6368

    Typography & sizing

    Configure fonts, text sizes, and corner radius

    Need more control? The widget exposes around a hundred CSS custom properties — see the full styling guide →
  • Content

    Interface copy

    Customize the header, prompts, and labels

    Leave empty to use the welcome message configured in your project.

    Comma-separated. Leave empty to use the ones configured in your project.

    Error messages

    Custom messages for connection or authorization issues

    Terms & conditions

    Optional disclaimer required before using the assistant

  • Paste this into your site
What it does

Built for technical documentation

Biel combines answers for readers with a question log for the people who maintain the docs.

i.

Zero configuration for your site

Copy, paste, done. One stylesheet and one script tag, no build step or complex backend required.

ii.

Answers grounded in your sources

Every answer links back to the pages it came from, so readers can verify and go deeper.

iii.

Matches your brand and theme

Colors, fonts, wording, and placement are all yours. Dark mode automatically follows your site.

iv.

Turns gaps into a writing backlog

Analytics collect every question asked. Find the questions your docs answer badly so you know what to write next.

Integrations

Use the same docs across every channel

Connect one documentation index to your site, MCP clients, team chat, or your own application.

On your docs site

Add chat and search to your docs

Install the widget on Docusaurus, MkDocs, Sphinx, Starlight, or any HTML site, then match it to your brand.

Docusaurus MkDocs Sphinx Starlight VitePress Hugo Jekyll Next.js React Vue.js WordPress GitBook
Install the widget
In team chat & AI tools

Make your docs available everywhere

Let developers query your documentation from Slack, Discord, Microsoft Teams, Claude, Cursor, and MCP clients.

Slack Discord Microsoft Teams Claude Code Cursor Copilot Windsurf OpenAPI REST API Webhooks
Explore all integrations
Outcomes

Why teams choose Biel.ai

Documentation teams use it to answer the questions their docs already cover — and to find the ones they don't.

i.

Answers your readers can check

Every reply cites the pages it was built from, so a reader follows the link instead of taking the assistant at its word — and you can tell when it leaned on the wrong page.

ii.

Crawls what you already publish

Sitemaps, single URLs, GitHub repositories, OpenAPI specs, Confluence spaces, and uploaded files. Automatic recrawls keep the index current as your docs move.

iii.

Live on your site the same afternoon

One stylesheet, one script tag, and the snippet from this page. No build step, no backend to run, and nothing that ties you to a framework.

iv.

A backlog written by your readers

Analytics collect every question asked. The gaps in your documentation show up as questions people keep repeating, not as silent frustration.

Frequently asked questions

What makes Biel.ai different from other AI chatbots?

Biel is built for technical documentation. It handles code and API content, links answers to source pages, supports docs-as-code stacks, and reports content gaps. General website chatbots are often a better fit for lead generation.

Do I need an account to use this builder?

No. Configure the assistant here and copy the snippet as often as you like. The snippet only starts answering once you point it at a project ID of your own, which comes with the free trial.

How long does the free trial last?

14 days with 1 project, 500 indexed pages, and 2,000 monthly interactions. No credit card required.

How long does it take to set up?

Indexing time depends on site size; for about 200 pages, connecting the source, indexing it, and adding the widget typically takes around 15 minutes. Read the setup guide.

Which frameworks does it work with?

Any site that can serve a script tag. Docusaurus, MkDocs, Sphinx, Starlight, VitePress, Hugo, Jekyll, Next.js, React, Vue, WordPress, and GitBook all have installation guides.

Where do the answers come from?

Only from the pages you index. The assistant does not answer from general knowledge, and every reply lists the sources it used.

Your docs already have the answers. Make them work.

The configuration on this page is ready to ship. Point it at your own documentation and go live today.

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