Track crypto price crashes with CoinGecko, Marketaux, Google Gemini and Slack
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 13 nodes and runs on a schedule (every 4 hours). Along the way it connects Slack and Google Gemini Chat Model. It also calls api.marketaux.com over HTTP.
How it runs
Trigger: On a schedule (every 4 hours).
- Set Asset Parameters (Edit Fields (Set)): sets 5 fields: Asset, Ticker, Crash_threshold…
- Fetch Current Asset Price (HTTP Request): calls an HTTP API
- Fetch 24h Market Data (HTTP Request): calls an HTTP API
- Calculate Crash Severity (Code): runs custom JavaScript code
- If: checks a condition and branches into true / false
- Fetch Market News (HTTP Request): calls api.marketaux.com
- Extract News Articles (Code): runs custom JavaScript code
- Market Analyst Agent (AI Agent): runs an AI agent, with model: Google Gemini Model; output parser: Define Output Schema
- Prepare Slack Message (Edit Fields (Set)): sets 1 field: slack_message
- Post Message to Slack (Slack): uses Slack
Services it uses
HTTP calls to: api.marketaux.com
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - HTTP Request
n8n-nodes-base.httpRequest - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - Slack
n8n-nodes-base.slack - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - AI Agent
@n8n/n8n-nodes-langchain.agent
From the author
Quick Overview This workflow runs every 4 hours to monitor a crypto asset’s price with CoinGecko, checks for crash conditions, pulls related headlines from Marketaux, uses Google Gemini to generate a structured market assessment, and posts a formatted crash…