Connect Langflow to QQ Official Bot

This recipe puts your Langflow app behind a QQ Official Bot bot. LangBot receives messages from QQ Official Bot, runs them through a pipeline, and sends the answer back, so you do not write any platform code.

Langflow builds agents and flows with a drag-and-drop editor. LangBot runs a flow through the Langflow API for every message.

What you need

• A running LangBot instance: LangBot Cloud (no server needed) or a self-hosted deployment with Docker or uvx langbot.
• A Langflow account or instance that LangBot can reach over the network.
• A bot registered on the QQ Open Platform: AppID, Token and AppSecret, with LangBot's server IP in the IP whitelist.

Networking

The QQ Official Bot API (webhook) requires a public IP and working HTTPS. LangBot Cloud includes a public domain.

1. Prepare Langflow

1. Build a flow in Langflow (the Simple Agent template is a good start).
2. Create an API key under Settings.
3. Copy the Flow ID from Share → API access.

2. Create a pipeline

Open Pipelines in the LangBot WebUI, create a pipeline (or edit the default one) and set AI as follows. If the runner is not listed, install the official runner plugin from Plugins or the LangBot Space marketplace.

3. Create the QQ Official Bot bot

1. Create a bot with the QQ Official adapter and enter AppID, Token and AppSecret.
2. Copy the bot's webhook callback URL, replace the host with your HTTPS domain, and save it as the request address in the QQ management portal. Add test users in the sandbox settings.

4. Bind and test

Open the bot, select the pipeline you created, save and make sure the bot is enabled.

As a sandbox member, message the bot in a private chat or @mention it in a sandbox group.

Troubleshooting

• Connection refused: http://localhost:7860 only works when Langflow runs on the same host and network namespace as LangBot.
• Saving the request address fails: the domain is not reachable over HTTPS or the path does not end with /bots/<bot id>.
• Check Monitoring in the WebUI: every message, pipeline run and error is recorded there.

FAQ

Do I need a server with a public IP for QQ Official Bot?

Yes, or use LangBot Cloud. The QQ Official Bot API (webhook) requires a public IP and working HTTPS. LangBot Cloud includes a public domain.

Does the QQ Official Bot bot support streaming replies?

Check the platform feature matrix for what this platform supports. Replies are delivered once the AI back end has finished.

Can the same Langflow setup serve other platforms too?

Yes. A pipeline can be bound to many bots, so one configuration can answer on several platforms at once.

Related guides

• Full QQ Official Bot setup guide
• Full Langflow runner guide
• Other AI back ends on QQ Official Bot: Dify · n8n · Coze · DeepSeek · OpenAI (ChatGPT models)
• Langflow on other platforms: Telegram · Discord · Slack · Lark (Feishu) · DingTalk · WeCom (internal app)