Speech-to-Text API with OpenAI GPT-4o-mini Transcribe

Webhook-based API transcribes audio files using OpenAI GPT-4o-mini and returns clean text. Includes ready-to-use HTML recorder for instant testing.

This n8n workflow creates a simple yet powerful backend API for speech-to-text functionality. It exposes a secure webhook endpoint that accepts audio file uploads from any application, processes them via OpenAI's GPT-4o-mini model for high-accuracy transcription, and returns the resulting text in a clean JSON response. A sticky note within the workflow provides complete HTML code for a functional audio recorder interface, enabling immediate testing or integration into your projects without addit
Platform
n8n
Category
Commerce
Price
$12.99
Creator
Andre Vermeulen

How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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