{"product_id":"n8n-manychat-whatsapp-webhook-openai-reply-brevo-crm-slack-alerts","title":"n8n ManyChat WhatsApp Webhook: OpenAI Reply, Brevo CRM, Slack Alerts","description":"\u003ch3\u003eManyChat WhatsApp replies powered by OpenAI—then synced to Brevo and escalated to Slack for HOT leads\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow connects ManyChat WhatsApp Webhooks to an automated AI reply, upserts lead details into \u003cstrong\u003eBrevo CRM\u003c\/strong\u003e, and can notify your \u003cstrong\u003eSlack\u003c\/strong\u003e SDR team when a lead is scored as HOT—while immediately returning \u003cstrong\u003e200 OK\u003c\/strong\u003e to avoid ManyChat’s 10-second timeout.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a ManyChat POST webhook\u003c\/strong\u003e and instantly responds with a JSON handshake (\u003cstrong\u003eHTTP 200\u003c\/strong\u003e) using \u003cem\u003erespond to webhook\u003c\/em\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtracts subscriber + message context\u003c\/strong\u003e from the ManyChat payload.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalculates a lead score and tier\u003c\/strong\u003e based on the payload details (as implemented in the workflow logic).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerates a WhatsApp-ready reply with OpenAI\u003c\/strong\u003e using \u003cstrong\u003eChat Completions\u003c\/strong\u003e and \u003cstrong\u003egpt-4o-mini\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUpserts the contact into Brevo CRM\u003c\/strong\u003e with lead attributes such as \u003cstrong\u003eWHATSAPP_ID\u003c\/strong\u003e, \u003cstrong\u003eLEAD_SCORE\u003c\/strong\u003e, \u003cstrong\u003eLEAD_TIER\u003c\/strong\u003e, \u003cstrong\u003eINTEREST\u003c\/strong\u003e, and \u003cstrong\u003eBUDGET\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSends the reply back to the user\u003c\/strong\u003e via ManyChat’s \u003cstrong\u003esendContent\u003c\/strong\u003e API for a WhatsApp callback message.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptionally escalates HOT leads to Slack\u003c\/strong\u003e using an incoming webhook, including a direct \u003cstrong\u003ewa.me\u003c\/strong\u003e chat link.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomate instant WhatsApp responses for ManyChat subscribers using OpenAI, without risking webhook timeouts.\u003c\/li\u003e\n  \u003cli\u003eKeep your sales pipeline accurate by syncing WhatsApp leads to \u003cstrong\u003eBrevo CRM\u003c\/strong\u003e with scoring and tier fields.\u003c\/li\u003e\n  \u003cli\u003eTrigger immediate SDR follow-up for high-intent users by sending Slack alerts when leads are marked HOT.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003en8n nodes:\u003c\/strong\u003e webhook, if, code, http request, respond to webhook (plus sticky note).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRequired environment variables:\u003c\/strong\u003e \u003cem\u003eMANYCHAT_API_KEY\u003c\/em\u003e, \u003cem\u003eOPENAI_API_KEY\u003c\/em\u003e, \u003cem\u003eBREVO_API_KEY\u003c\/em\u003e, \u003cem\u003eSLACK_WEBHOOK_URL\u003c\/em\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpenAI:\u003c\/strong\u003e Chat Completions with \u003cstrong\u003egpt-4o-mini\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManyChat:\u003c\/strong\u003e Uses webhook handshake + sendContent to send WhatsApp callback messages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIdeal for n8n automation engineers and SaaS operators building WhatsApp lead handling with AI, CRM sync, and Slack-based hot lead escalation.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45876884570291,"sku":"N8N-18500","price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/OBWAL8Jop4H1G_cwGJY-9_pg3Zcy0m.png?v=1787303685","url":"https:\/\/buyflowscripts.com\/products\/n8n-manychat-whatsapp-webhook-openai-reply-brevo-crm-slack-alerts","provider":"N8N Commerce","version":"1.0","type":"link"}