Page Bot Adapter — Embed Demo

English | 中文

A single self-contained HTML page that demos the LangBot Page Bot (web_page_bot) embeddable chat widget — the one you drop onto any website with a single <script> tag.

Full guide: docs.langbot.app — Page Bot.

Files

File	What it is
index.html	Browser demo — open it, point it at a running LangBot instance + a Page Bot you created, and it loads the live embed widget so you can chat with the bot exactly as a site visitor would. Zero deps, no build step.

How to use

1. In the LangBot WebUI, create a bot with the Page Bot (页面机器人) adapter and bind it to a working pipeline. Copy its bot UUID from the generated embed code.
2. Open index.html in a browser. Any of these work:
   • double-click the file, or
   • serve the folder: python3 -m http.server 8930 then open http://localhost:8930/examples/web-page-bot/.
3. Fill in:
   • LangBot base URL — where your instance is reachable from the browser (e.g. http://localhost:5300, or your public address).
   • Page Bot UUID — from step 1.
   • Widget title — optional, sets the data-title attribute.
4. Click Load widget. A floating chat bubble appears in the bottom-right corner — click it and chat.

The page also renders the exact <script> snippet you'd paste into your own site (before </body>), and updates it live as you edit the fields.

What it demonstrates

• The embed contract: <script data-title="…" src="<base>/api/v1/embed/<uuid>/widget.js"></script>.
• widget.js is served by LangBot pre-configured for that bot UUID — title, bubble icon, language and optional Cloudflare Turnstile protection all come from the bot's config, no page changes needed.
• Messages travel over a WebSocket to the bot's bound pipeline; replies stream back into the bubble.

The widget loads widget.js from your LangBot instance, so the base URL must be reachable from the browser you open this page in. If LangBot runs on a server, use its public address instead of localhost.