{"product_id":"n8n-crypto-crash-alert-coingecko-gemini-slack","title":"n8n Crypto Crash Alert: CoinGecko + Gemini + Slack","description":"\u003ch3\u003en8n Crypto Crash Alert that combines CoinGecko price signals, Gemini analysis, and Slack notifications\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow monitors a crypto asset every 4 hours, detects crash conditions using CoinGecko data, and—when thresholds are breached—generates a structured market assessment with Google Gemini and posts a ready-to-act alert to Slack.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eRuns on a 4-hour schedule\u003c\/b\u003e to keep crypto monitoring continuous without manual checks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePulls price data from CoinGecko\u003c\/b\u003e: the current USD price plus the last 24 hours of market chart data for your configured asset.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCalculates crash metrics\u003c\/b\u003e, including 24h change and drop from the 24h high, then evaluates two crash conditions: an absolute floor and a percentage-drop crash threshold (as configured in the workflow settings).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eFetches related headlines via Marketaux\u003c\/b\u003e for the asset ticker when a crash is detected, formatting top headlines for context.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGenerates a structured assessment with Google Gemini\u003c\/b\u003e (Google PaLM): severity, headline, summary, key drivers, and a recommendation based on the price stats + news.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePosts a formatted alert to Slack\u003c\/b\u003e, combining computed price metrics, the Gemini output, and the selected top headlines in the chosen channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFor \u003cb\u003eSaaS operators\u003c\/b\u003e who need near-real-time crypto risk awareness for treasury, payments, or pricing exposure.\u003c\/li\u003e\n  \u003cli\u003eFor \u003cb\u003eautomation engineers\u003c\/b\u003e building a production-ready n8n monitoring pipeline that triggers only on meaningful market moves.\u003c\/li\u003e\n  \u003cli\u003eFor \u003cb\u003ecrypto teams\u003c\/b\u003e who want automated Slack alerts with both quantitative thresholds (CoinGecko) and qualitative context (Marketaux + Gemini).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSchedule-based automation: \u003cb\u003eevery 4 hours\u003c\/b\u003e\n\u003c\/li\u003e\n  \u003cli\u003eIntegrations: \u003cb\u003eCoinGecko\u003c\/b\u003e (HTTP Header Auth), \u003cb\u003eMarketaux\u003c\/b\u003e (HTTP Query Auth), \u003cb\u003eGoogle Gemini\u003c\/b\u003e using the Google PaLM model, and \u003cb\u003eSlack\u003c\/b\u003e (Slack OAuth)\u003c\/li\u003e\n  \u003cli\u003eCore n8n nodes mentioned in the workflow: \u003cb\u003eif\u003c\/b\u003e, \u003cb\u003eset\u003c\/b\u003e, \u003cb\u003ecode\u003c\/b\u003e, \u003cb\u003eslack\u003c\/b\u003e, plus \u003cb\u003ehttp request\u003c\/b\u003e and a \u003cb\u003esticky note\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSetup required:\u003c\/b\u003e add\/verify CoinGecko, Marketaux, Google Gemini, and Slack credentials; then configure asset ID\/ticker, crash thresholds (absolute floor and percent drop), and news limit.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45756676898995,"sku":"N8N-17738","price":10.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/6pBdZ6CNBB-HyfiWiwAn_bwWuyRjB.png?v=1785748169","url":"https:\/\/buyflowscripts.com\/products\/n8n-crypto-crash-alert-coingecko-gemini-slack","provider":"N8N Commerce","version":"1.0","type":"link"}