{"product_id":"n8n-zillow-deal-monitor-by-zip-api-sheets-slack-alerts","title":"n8n Zillow Deal Monitor by ZIP: API, Sheets \u0026 Slack Alerts","description":"\u003ch3\u003eTrack ZIP-level real estate deals automatically with n8n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003en8n Zillow Deal Monitor by ZIP\u003c\/strong\u003e workflow runs daily to pull for-sale listings from the \u003cstrong\u003eAPIllow\u003c\/strong\u003e API, calculates \u003cstrong\u003e$\/sqft vs. each ZIP’s median\u003c\/strong\u003e, logs new deals to \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e (no duplicates), and sends \u003cstrong\u003eSlack\u003c\/strong\u003e alerts for pricing that hits your configured threshold.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSchedules daily at 8:00am\u003c\/strong\u003e to keep your deal monitoring current.\u003c\/li\u003e\n  \u003cli\u003eSubmits a \u003cstrong\u003eZIP-code for-sale property search\u003c\/strong\u003e to the \u003cstrong\u003eAPIllow API\u003c\/strong\u003e, receiving an \u003cstrong\u003easynchronous job ID\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolls results every 10 seconds\u003c\/strong\u003e until the job is marked complete, retrying API calls and posting an \u003cstrong\u003eerror alert to Slack\u003c\/strong\u003e if a call fails after retries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlattens returned listings\u003c\/strong\u003e and calculates each property’s \u003cstrong\u003eprice per square foot\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eComputes the \u003cstrong\u003emedian $\/sqft per ZIP\u003c\/strong\u003e from the same batch of returned listings.\u003c\/li\u003e\n  \u003cli\u003eReads existing rows in the Google Sheets \u003cstrong\u003e“Deals”\u003c\/strong\u003e worksheet and \u003cstrong\u003efilters out duplicates\u003c\/strong\u003e by removing listings whose \u003cstrong\u003ezpid\u003c\/strong\u003e is already tracked.\u003c\/li\u003e\n  \u003cli\u003eAppends only new listings to Google Sheets, including \u003cstrong\u003e$\/sqft\u003c\/strong\u003e, the `ZIP median`, and the \u003cstrong\u003ediscount %\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003ePosts a \u003cstrong\u003eSlack deal alert\u003c\/strong\u003e when a newly logged listing is priced at or below your \u003cstrong\u003eZIP median threshold\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReal estate operators monitoring \u003cstrong\u003emultiple ZIP codes\u003c\/strong\u003e for undervalued properties.\u003c\/li\u003e\n  \u003cli\u003eSaaS teams or automation engineers building an internal \u003cstrong\u003edeal intelligence pipeline\u003c\/strong\u003e with audit-friendly Google Sheets logs.\u003c\/li\u003e\n  \u003cli\u003eTeams who want immediate \u003cstrong\u003eSlack notifications\u003c\/strong\u003e whenever a new listing qualifies as a deal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAPIllow\u003c\/strong\u003e integration using header auth with \u003ccode\u003ex-api-key\u003c\/code\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoogle Sheets OAuth\u003c\/strong\u003e with a spreadsheet containing a \u003cstrong\u003e“Deals”\u003c\/strong\u003e sheet and a \u003cstrong\u003ezpid\u003c\/strong\u003e column.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlack\u003c\/strong\u003e messages for deal alerts and error alerts (configurable channels).\u003c\/li\u003e\n  \u003cli\u003eUses n8n nodes\/tools including: \u003cstrong\u003eif\u003c\/strong\u003e, \u003cstrong\u003eset\u003c\/strong\u003e, \u003cstrong\u003ecode\u003c\/strong\u003e, \u003cstrong\u003ewait\u003c\/strong\u003e, \u003cstrong\u003eslack\u003c\/strong\u003e, and \u003cstrong\u003esticky note\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45916231270579,"sku":"N8N-18833","price":71.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/3KpFVpxvevbiuNZCSrK7f_VUUdpfwJ.png?v=1788012448","url":"https:\/\/buyflowscripts.com\/products\/n8n-zillow-deal-monitor-by-zip-api-sheets-slack-alerts","provider":"N8N Commerce","version":"1.0","type":"link"}