{"product_id":"whatsapp-audio-transcription-n8n-workflow-groq-whisper-to-google-drive","title":"WhatsApp Audio Transcription n8n Workflow: Groq Whisper to Google Drive","description":"\u003ch3\u003eTurn WhatsApp voice calls into searchable text—automatically\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003eWhatsApp Audio Transcription n8n workflow\u003c\/strong\u003e takes a Base64-encoded WhatsApp call recording, transcribes it using \u003cstrong\u003eGroq Whisper\u003c\/strong\u003e, and saves the formatted transcript as a \u003cstrong\u003e.txt file in Google Drive\u003c\/strong\u003e via a Google Apps Script web app—so you can quickly capture call details without manual listening.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cp\u003eDesigned for n8n users who want a reliable \u003cstrong\u003eWhatsApp call transcription\u003c\/strong\u003e pipeline, the workflow works end-to-end as follows:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives an HTTP POST webhook\u003c\/strong\u003e (from your Google App Script) containing \u003cstrong\u003eBase64 audio data\u003c\/strong\u003e plus optional metadata such as \u003cstrong\u003efileName\u003c\/strong\u003e, \u003cstrong\u003emimeType\u003c\/strong\u003e, and optional Google Drive link metadata.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDecodes the Base64 payload\u003c\/strong\u003e into a binary audio file and generates a transcript filename based on the original audio name.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTranscribes audio with Groq Whisper\u003c\/strong\u003e by calling \u003cstrong\u003ewhisper-large-v3-turbo\u003c\/strong\u003e and retrieving the transcript text.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSends the transcript + call metadata\u003c\/strong\u003e to a \u003cstrong\u003eGoogle Apps Script web app\u003c\/strong\u003e action (\u003cem\u003esave_transcript\u003c\/em\u003e) that writes the transcript into a specified \u003cstrong\u003eGoogle Drive folder\u003c\/strong\u003e as a text file.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer support\u003c\/strong\u003e teams transcribe WhatsApp call recordings for faster follow-ups and documentation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSales operations\u003c\/strong\u003e convert voice conversations into searchable notes stored in Google Drive.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomation engineers\u003c\/strong\u003e build a webhook-driven audio transcription system that connects WhatsApp capture to Groq and Google Drive.\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 \/ components:\u003c\/strong\u003e Code, Webhook, HTTP Request, Sticky Note.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGroq Whisper integration:\u003c\/strong\u003e transcription via \u003cem\u003ewhisper-large-v3-turbo\u003c\/em\u003e using an HTTP Header \u003cstrong\u003eBearer token\u003c\/strong\u003e (Groq API key).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoogle Drive output:\u003c\/strong\u003e saved by a \u003cstrong\u003eGoogle Apps Script web app\u003c\/strong\u003e you deploy and configure with your target Drive folder ID.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSetup requirement:\u003c\/strong\u003e create and deploy the required Google Apps Script web app from your Google Drive account, update its URL and Drive folder ID, then configure your WhatsApp\/audio capture process to POST the required fields (\u003cstrong\u003efileData\u003c\/strong\u003e, \u003cstrong\u003efileName\u003c\/strong\u003e, \u003cstrong\u003emimeType\u003c\/strong\u003e) to the workflow’s \u003cstrong\u003ewhatsapp-audio\u003c\/strong\u003e webhook endpoint.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45800412020915,"sku":"N8N-17942","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/TWYcbqo9hEeG1dkhhqGme_vOJAvE7q.png?v=1786266229","url":"https:\/\/buyflowscripts.com\/products\/whatsapp-audio-transcription-n8n-workflow-groq-whisper-to-google-drive","provider":"N8N Commerce","version":"1.0","type":"link"}