📈 Real-time cryptocurrency price monitor with CoinGecko & multi-channel alerts
⚡ 725 views · 📈 Crypto Trading & Stock Market
Description
This automated n8n workflow monitors real-time cryptocurrency prices using CoinGecko API and sends smart alerts when price conditions are met. It supports multi-coin tracking, dynamic conditions, and instant notifications via Email, Telegram, and Discord.
Good to Know
- Reads crypto watchlist data from Google Sheets.
- Monitors prices at defined intervals (24/7 monitoring).
- Handles upper and lower price limits with direction-based alerts (above, below, both).
- Implements cooldown logic to avoid duplicate alerts.
- Updates last alert price and timestamp in Google Sheets.
- Supports multiple alert channels: Email, Telegram, Discord.
- Uses CoinGecko API for price data (Free tier supported).
How It Works
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24/7 Crypto Trigger – Runs every minute (or custom interval) to check latest prices.
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Read Crypto Watchlist – Fetches symbols and conditions from Google Sheets.
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Parse Crypto Data – Converts Google Sheet data into structured JSON.
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Fetch Live Crypto Price – Uses CoinGecko API to get latest market price for each coin.
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Smart Crypto Alert Logic – Compares live price with upper/lower limits and evaluates conditions:
- Above – Trigger alert if price > upper_limit.
- Below – Trigger alert if price < lower_limit.
- Both – Trigger alert if either condition is met.
- Implements cooldown_minutes to prevent repeated alerts.
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Check Crypto Alert Conditions – Validates alerts before sending notifications.
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Send Crypto Email Alert – Sends email alert if condition is true.
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Send Telegram Crypto Alert – Sends Telegram alert.
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Send Discord Crypto Alert – Sends Discord alert.
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Update Crypto Alert History – Updates
last_alert_priceandlast_alert_timein Google Sheet. -
Crypto Alert Status Check – Ensures alert process completed successfully.
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Success Notification – Sends confirmation message on success.
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Error Notification – Sends an error alert if something fails.
Google Sheet Columns (A-G)
| Column | Description |
|---|---|
| A | symbol (BTC, ETH, SOL, etc.) |
| B | upper_limit (e.g., 45000) |
| C | lower_limit (e.g., 40000) |
| D | direction (both / above / below) |
| E | cooldown_minutes (e.g., 10) |
| F | last_alert_price (auto-updated) |
| G | last_alert_time (auto-updated) |
How to Use
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Import the workflow into n8n.
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Configure Google Sheets credentials and link your watchlist sheet.
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Add your CoinGecko API endpoint in the Fetch Price node (Free tier).
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Set up Email, Telegram, and Discord credentials for notifications.
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Test with sample data:
- Example: BTC, upper_limit=45000, lower_limit=40000, direction=both.
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Execute the workflow and monitor alerts.
Requirements
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n8n environment with execution permissions.
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Google Sheets integration (with API credentials).
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CoinGecko API (Free tier supported).
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Notification channels:
- Email (SMTP settings in n8n).
- Telegram Bot Token.
- Discord Webhook URL.
Customizing This Workflow
- Add more coins in Google Sheet.
- Modify alert conditions (e.g., percentage change, moving averages).
- Add SMS or WhatsApp notifications.
- Integrate with Slack or Microsoft Teams.
- Use AI-based price predictions for smarter alerts.
🔗 Nodes Used
Cron, Send Email, Google Sheets, HTTP Request, Telegram, Discord
📥 Import
Download workflow.json and import into n8n:
Workflow menu → Import from File