Auto-generate social media posts from URLs with AI, Telegram & multi-platform posting
How it works
This workflow turns any URL sent to a Telegram bot into ready-to-publish social posts: 1. Trigger: Telegram message (checks if it contains a URL). 2. Fetch & parse: Downloads the page and extracts readable text + title. 3. AI writing: Generates platform-specific copy (Facebook, Instagram, LinkedIn). 4. Image: Creates an AI image and stores it in Supabase Storage. 5. Publish: Posts to Facebook Pages, Instagram Business, LinkedIn. 6. Logging: Updates Google Sheets with post URLs and sends a Telegram confirmation (image + links).
Setup
1. Telegram – create a bot, connect via n8n Telegram credentials.
2. OpenAI / Gemini – add API key in n8n Credentials and select it in the AI nodes.
3. Facebook/Instagram (Graph API) – create a credential called facebookGraph with:
• accessToken (page-scoped or system user)
• pageId (for Facebook Page photos)
• igUserId (Instagram Business account ID)
• optional fbApiVersion (default v19.0)
4. LinkedIn – connect with OAuth2 in the LinkedIn node (leave as credential).
5. Supabase – credential supabase with url and apiKey. Ensure a bucket exists (default used in the Set node is social-media).
6. Google Sheets – replace YOUR_GOOGLE_SHEET_ID and Sheet1. Grant your n8n Google OAuth2 access.
Notes
• No API keys are stored in the template. Everything runs via n8n Credentials.
• You can change bucket name, image size/quality, and AI prompts in the respective nodes.
• The confirmation message on Telegram includes direct permalinks to the published posts.
Required credentials
• Telegram Bot
• OpenAI (or Gemini)
• Facebook/Instagram Graph
• LinkedIn OAuth2
• Supabase (url + apiKey)
• Google Sheets OAuth2
Inputs
• A Telegram message that contains a URL.
Outputs
• Social posts published on Facebook, Instagram, LinkedIn.
• Row appended/updated in Google Sheets with post URLs and image link.
• Telegram confirmation with the generated image + post links.
Auto-Generate Social Media Posts from URLs with AI & Multi-Platform Posting
This n8n workflow automates the process of generating social media posts from a list of URLs using AI, and then allows for multi-platform posting to Telegram and LinkedIn. It's designed to streamline content creation and distribution for social media managers, marketers, or anyone looking to efficiently share content across platforms.
What it does
- Triggers on Telegram Message: The workflow starts when a new message is received in a configured Telegram chat.
- Extracts URLs: It extracts URLs from the incoming Telegram message.
- Fetches URL Content: For each URL, it makes an HTTP request to fetch the content of the webpage.
- Generates Social Media Post with AI:
- It uses an AI model (either OpenAI or Google Gemini) to analyze the fetched webpage content.
- It then generates a concise social media post based on the content, including a title, summary, relevant hashtags, and a call to action.
- Stores Post in Google Sheets: The generated post details (URL, title, summary, hashtags, call to action) are appended to a Google Sheet for record-keeping and potential future use.
- Presents Post for Approval (Telegram): The generated post is sent back to the Telegram chat for review and approval.
- Conditional Posting:
- If Approved: If the post is approved in Telegram, it proceeds to post to other platforms.
- If Not Approved: If the post is not approved, the workflow ends.
- Posts to LinkedIn: The approved social media post is then published to LinkedIn.
- Posts to Telegram (Confirmation): A confirmation message or the final post is sent to Telegram.
Prerequisites/Requirements
To use this workflow, you will need:
- n8n Instance: A running n8n instance.
- Telegram Bot Token: A Telegram Bot Token and a Chat ID for the bot to interact with.
- OpenAI API Key OR Google Gemini API Key: An API key for your chosen AI service (OpenAI or Google Gemini) to generate social media content.
- Google Account: A Google account with access to Google Sheets.
- LinkedIn Account: A LinkedIn account with appropriate permissions to post.
Setup/Usage
- Import the workflow: Download the JSON provided and import it into your n8n instance.
- Configure Credentials:
- Telegram Trigger & Node: Set up your Telegram Bot credential with your Bot Token.
- OpenAI / Google Gemini Node: Configure your AI credential with your API Key.
- Google Sheets Node: Set up your Google Sheets credential.
- LinkedIn Node: Configure your LinkedIn credential.
- Update Google Sheet Details: In the "Google Sheets" node, specify the Spreadsheet ID and Sheet Name where the posts should be recorded.
- Activate the workflow: Once all credentials and configurations are set, activate the workflow.
- Trigger the workflow: Send a message containing one or more URLs to your configured Telegram bot to start generating social media posts.
- Approve Posts: Monitor your Telegram chat for generated posts and approve them to proceed with multi-platform sharing.
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