{"product_id":"vk-gpt-4-1-mini-reply-automation-with-n8n-workflow","title":"VK GPT-4.1 Mini Reply Automation with n8n Workflow","description":"\u003ch3\u003eTurn VK Messages Into Instant, GPT-4.1 Mini Replies (with n8n)\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow automatically receives new VK messages via webhook, transcribes voice notes with OpenAI, generates a friendly assistant response using \u003cb\u003egpt-4.1-mini\u003c\/b\u003e with per-user conversation memory, and sends the reply back to the same VK user.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eReceives VK callback events\u003c\/b\u003e through a POST webhook endpoint (path: \u003cb\u003e\/webhook\/testvkwildbots\u003c\/b\u003e) with \u003cb\u003emessage_new\u003c\/b\u003e enabled.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePrevents duplicate processing\u003c\/b\u003e by checking the VK retry header and dropping retry deliveries when applicable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eRoutes the message\u003c\/b\u003e based on content type:\n    \u003cul\u003e\n      \u003cli\u003eIf it contains text, it uses the original text as the input prompt.\u003c\/li\u003e\n      \u003cli\u003eIf it includes a voice attachment, it downloads the MP3 from VK.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eTranscribes voice to text\u003c\/b\u003e using OpenAI transcription.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGenerates an assistant reply\u003c\/b\u003e using an OpenAI-powered agent (short-term conversation context per user).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSends the response back to VK\u003c\/b\u003e via \u003cb\u003emessages.send\u003c\/b\u003e; if generation fails, it sends a fallback error message.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAnswering VK user questions instantly in customer support or community management.\u003c\/li\u003e\n  \u003cli\u003eHandling voice notes by converting them to text and replying in the same chat.\u003c\/li\u003e\n  \u003cli\u003eReducing manual workload for SaaS operators running VK-based onboarding or FAQs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details (n8n + integrations)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eVK webhook\u003c\/b\u003e (POST callback API) with VK API version \u003cb\u003ev=5.199\u003c\/b\u003e and \u003cb\u003emessages.send\u003c\/b\u003e endpoint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eHTTP Request\u003c\/b\u003e node to download VK MP3 attachments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eOpenAI\u003c\/b\u003e credentials for \u003cb\u003egpt-4.1-mini\u003c\/b\u003e chat generation and audio transcription.\u003c\/li\u003e\n  \u003cli\u003eWorkflow nodes include \u003cb\u003eWebhook\u003c\/b\u003e, \u003cb\u003eSet\u003c\/b\u003e, \u003cb\u003eSwitch\u003c\/b\u003e, \u003cb\u003eFilter\u003c\/b\u003e, \u003cb\u003eHTTP Request\u003c\/b\u003e, and \u003cb\u003en8n-nodes-langchainagent\u003c\/b\u003e for agent-based replying.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal if you’re building VK automation in n8n and want reliable, per-user conversational GPT replies.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45962082058419,"sku":"N8N-19194","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/NdcuNbqgmP5DNGmdA77gL_1CgDMdg2.png?v=1788599935","url":"https:\/\/buyflowscripts.com\/products\/vk-gpt-4-1-mini-reply-automation-with-n8n-workflow","provider":"N8N Commerce","version":"1.0","type":"link"}