Automate Voice Message Transcription & Classification with n8nAutomate Voice Message Transcription & Classification with n8n
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n8n workflow template that transcribes voice messages using OpenAI Whisper and automatically classifies the intent of the transcribed text using GPT-4o-mini. Routes the message to different branches based on detected intent — GREETING, QUESTION, REQUEST, or OTHER. Uses contains logic instead of equals for robust detection, and .trim().toUpperCase() to handle model output inconsistencies. Ready to connect to any webhook source — Evolution API, Twilio, or WhatsApp Cloud API. Published on the official n8n template marketplace.
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