Audio to Text with OpenAI Whisper API in Retool

August 4, 2024

To seamlessly convert audio speech into text using the powerful OpenAI Whisper API, the Retool app offers a user-friendly solution that's both efficient and free to start. Whether you're looking to use the Whisper API without cost or explore how to integrate this capability within your workflow, this guide will walk you through every step. From obtaining a free OpenAI Whisper API key to downloading and installing the Retool app, you'll be equipped to transform audio into text effortlessly. Discover how to maximize the potential of this tool with our simple instructions below.

This is a little Retool app that allows to convert an audio speech into raw text using the OpenAI Whisper API.

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The application is pretty easy to use. Once installed, just drop an audio file that contains a speech, click to convert and you get back a very accurate raw text of that speech.

Now, let's install and start using it!

Create the Retool account.

If you already have one, you can skip this. Otherwise, go through this link to create a free account. By following to that link you can have 20% discount in case you want to upgrade in the future. The basic account is always free, though.

Get the OpenAI API key

The OpenAI Whisper API requires a valid API Key. You can create a free account from here. Follow their instruction about how to create a billing account and an API key.

Install the Retool app

First, download the source (right-click to download as file) of the Retool app.

It's a JSON file you can then import in your Retool account.

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Add the OpenAI API key in the Retool dedicated textfield and start playing with it:

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