{"product_id":"n8n-lead-qualification-gpt-4o-gmail-google-sheets-webhook","title":"n8n Lead Qualification: GPT-4o, Gmail \u0026 Google Sheets Webhook","description":"\u003ch3\u003eInstant lead qualification in n8n with GPT-4o + Gmail + Google Sheets\u003c\/h3\u003e\n\u003cp\u003eStop manually triaging inbound enquiries. This n8n workflow accepts lead submissions via a webhook, uses an OpenAI (GPT-4o) agent to enrich and score each lead against your ideal-customer rules, and then routes the result by emailing you, adding leads to Google Sheets for nurture, or sending a polite decline email.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eReceives inbound leads:\u003c\/b\u003e Listens for a \u003cb\u003ePOST\u003c\/b\u003e webhook request on \u003cb\u003e\/lead\u003c\/b\u003e containing a new enquiry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eApplies your qualification rules:\u003c\/b\u003e Attaches your ideal-customer profile logic (e.g., \u003cb\u003eIDEAL \/ GOOD \/ POOR \/ DECLINE\u003c\/b\u003e) along with \u003cb\u003eurgent signals\u003c\/b\u003e to the incoming lead data.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eEnriches and scores using GPT-4o:\u003c\/b\u003e Uses an \u003cb\u003en8n LangChain agent\u003c\/b\u003e to call an enrichment sub-workflow and then a scoring sub-workflow, producing a \u003cb\u003efit score (1–10)\u003c\/b\u003e and an \u003cb\u003eurgency flag\u003c\/b\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eRoutes the lead automatically:\u003c\/b\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cb\u003eEmails the owner via Gmail\u003c\/b\u003e when the score is \u003cb\u003e7+\u003c\/b\u003e or the lead is marked \u003cb\u003eurgent\u003c\/b\u003e.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eAppends mid-fit leads\u003c\/b\u003e (score \u003cb\u003e4–6\u003c\/b\u003e) to a \u003cb\u003enurture list\u003c\/b\u003e in \u003cb\u003eGoogle Sheets\u003c\/b\u003e, including enquiry details, score, and status.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eSends a warm decline email via Gmail\u003c\/b\u003e when the score is \u003cb\u003e3 or below\u003c\/b\u003e or the request matches your \u003cb\u003eDECLINE rules\u003c\/b\u003e.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQualify SaaS demo requests submitted through a website form (webhook → GPT-4o scoring → Gmail follow-up).\u003c\/li\u003e\n  \u003cli\u003ePrioritize high-intent inbound leads by urgency, while logging mid-fit leads to Google Sheets for ongoing nurture.\u003c\/li\u003e\n  \u003cli\u003eAutomatically respond to low-fit enquiries with a brief decline email to protect your sales time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eWebhook node\u003c\/b\u003e for receiving POST requests on \u003cb\u003e\/lead\u003c\/b\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eOpenAI GPT-4o\u003c\/b\u003e via \u003cb\u003en8n-nodes-langchainagent\u003c\/b\u003e (agent\/orchestrator)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGmail tool\u003c\/b\u003e to email the owner and send customer decline messages\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGoogle Sheets tool\u003c\/b\u003e to append nurture leads (configure spreadsheet and sheet name)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSub-workflows\u003c\/b\u003e for \u003cb\u003eenrich_lead\u003c\/b\u003e and \u003cb\u003escore_lead\u003c\/b\u003e (set their workflow IDs in the template)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45945726009523,"sku":"N8N-19080","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/TCx9cmHCq4LTrlftlVHd1_RX1CPSGt.png?v=1788426915","url":"https:\/\/buyflowscripts.com\/products\/n8n-lead-qualification-gpt-4o-gmail-google-sheets-webhook","provider":"N8N Commerce","version":"1.0","type":"link"}