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Extract & process Q&A from URLs with Airtop, OpenRouter AI & Safety Guardrails

Daniel NkenchoDaniel Nkencho
73 views
2/3/2026
Lead ManagementHubSpotSalesforceData EnrichmentCRM
Official Page

Transform your Telegram bot into a secure content analyzer: send any URL, and get safe, structured Q&A extractions with AI-powered safety checks and web search capabilities.

📋 What This Template Does

This workflow activates when a user sends a valid URL to your Telegram bot. It extracts questions and answers from the webpage using Airtop, applies NSFW and PII guardrails to ensure safe content, then uses an OpenRouter AI agent (with optional Tavily search) to generate and send a concise response. If guardrails fail, it alerts the user instead.

  • Filters for valid URLs only to prevent unnecessary processing
  • Extracts structured Q&A from documents or forms
  • Enforces safety checks for harmful or private content
  • Supports web searches for enhanced responses when needed

🔧 Prerequisites

  • A Telegram bot created via @BotFather
  • Accounts with Airtop, OpenRouter, and Tavily

🔑 Required Credentials

Telegram API Setup

  1. Open Telegram → Search @BotFather → Use /newbot command
  2. Follow prompts to create bot and obtain API token
  3. Add to n8n as Telegram API credential type

Airtop API Setup

  1. Visit https://airtop.ai → Sign up or log in → Navigate to Dashboard → API Keys
  2. Generate a new API key with extraction permissions
  3. Add to n8n as Airtop API credential type

OpenRouter API Setup

  1. Go to https://openrouter.ai → Sign up or log in → Navigate to API Keys section
  2. Generate and copy your API key (free tier sufficient for basic use)
  3. Add to n8n as OpenRouter API credential type

Tavily API Setup

  1. Visit https://app.tavily.com → Sign up or log in → Go to API Keys
  2. Generate and copy your API key
  3. Add to n8n as Tavily API credential type

⚙️ Configuration Steps

  1. Import the workflow JSON into n8n
  2. Assign your Telegram, Airtop, OpenRouter, and Tavily credentials to the respective nodes
  3. Activate the workflow to register the Telegram trigger
  4. Test by sending a plain URL (no extra text) to your bot in Telegram
  5. Monitor the first execution and adjust guardrail thresholds if needed

🎯 Use Cases

  • Researchers summarizing academic papers or reports while ensuring no sensitive data leaks
  • Support teams extracting info from customer-submitted docs/forms with automatic safety filtering
  • Content creators pulling Q&A from articles for bots, blocking inappropriate responses
  • Educators analyzing educational resources safely for student-facing chat tools

⚠️ Troubleshooting

  • No response from bot: Verify the message contains only a valid URL; adjust regex in Filter Only URLs node if needed
  • Guardrail failures: Lower NSFW threshold (e.g., from 0.7 to 0.5) or disable PII checks in Apply Safety Guardrails node
  • Extraction errors: Test with public, text-heavy URLs; some JS-heavy sites may require alternative extractors
  • Rate limits hit: Check OpenRouter/Tavily dashboards for usage; upgrade to paid tiers for heavy traffic

Extract and Process QA from URLs with Airtop, OpenRouter AI, and Safety Guardrails

This n8n workflow automates the process of extracting information from URLs, generating AI-powered Q&A, and applying safety guardrails, all triggered by a Telegram message. It integrates Airtop for structured data handling, OpenRouter for flexible AI model access, and Langchain Guardrails for content safety.

What it does

  1. Listens for Telegram Messages: The workflow starts when it receives a message in a configured Telegram chat.
  2. Filters Messages: It then applies a filter to process only relevant messages (e.g., those containing URLs or specific commands).
  3. Applies Safety Guardrails: Before processing the content, the workflow uses Langchain Guardrails to check for and prevent the processing of unsafe or sensitive information.
  4. Generates AI-Powered Q&A: It leverages an AI Agent, powered by an OpenRouter Chat Model, to process the content from the URLs and generate questions and answers.
  5. Stores Data in Airtop: The extracted and processed Q&A data is then structured and stored in Airtop, a flexible database platform.
  6. Sends Confirmation to Telegram: Finally, it sends a confirmation or the generated Q&A back to the Telegram chat.

Prerequisites/Requirements

  • n8n Instance: A running n8n instance.
  • Telegram Bot Token: A Telegram bot token and chat ID for the Telegram Trigger and Telegram nodes.
  • Airtop API Key: An Airtop API key for storing data.
  • OpenRouter API Key: An OpenRouter API key for accessing various AI chat models.
  • Langchain Guardrails Configuration: Proper configuration for the Guardrails node to define safety policies (e.g., PII detection, content moderation).

Setup/Usage

  1. Import the workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Credentials:
    • Telegram Trigger & Telegram Node: Set up your Telegram Bot credential with your bot token.
    • Airtop Node: Configure your Airtop credential with your API key.
    • OpenRouter Chat Model Node: Set up your OpenRouter credential with your API key.
  3. Configure Nodes:
    • Telegram Trigger: Ensure the "Updates" are set to listen for messages in your desired chat.
    • Filter: Adjust the conditions in the "Filter" node to match your specific criteria for triggering the AI processing (e.g., {{ $json.message.text.includes('http') }} to check for URLs).
    • Guardrails: Customize the "Guardrails" node settings to define your safety policies and what actions to take if violations are detected.
    • AI Agent: Configure the "AI Agent" with the desired prompt for Q&A generation and ensure it's connected to the "OpenRouter Chat Model".
    • OpenRouter Chat Model: Select your preferred AI model from the OpenRouter options.
    • Airtop: Configure the "Airtop" node to specify the Airtop base and table where you want to store the extracted Q&A. Map the output from the AI Agent to the correct fields in Airtop.
    • Telegram: Customize the message sent back to Telegram, potentially including the generated Q&A or a confirmation.
  4. Activate the workflow: Once configured, activate the workflow to start listening for Telegram messages.

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