Generate Speech from Text with OpenAI TTS via Webhook
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Automate text-to-speech conversion using OpenAI's TTS API triggered by a webhook. Perfect for developers and growth hackers.
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About This Workflow
How it works
This workflow enables automated audio generation from text input. It's triggered via a webhook, allowing external applications to send text data. The Webhook node receives the POST request, passing the text to the OpenAI node which utilizes the OpenAI Text-to-Speech API to convert the input text into spoken audio. Finally, the Respond to Webhook node sends the generated audio back as a binary response.
Key Features
- Real-time audio generation via webhook.
- Leverages OpenAI's advanced Text-to-Speech models.
- Binary audio file output.
- Flexible integration with any application capable of sending HTTP POST requests.
How To Use
- Configure the Webhook Node:
- Set the
Pathtogenerate_audio. - Ensure
HTTP Methodis set toPOST. Response Modeshould beresponseNode.
- Set the
- Configure the OpenAI Node:
- Credentials: Connect your OpenAI API key. Click
Create New Credentials, selectOpenAI API, and enter your API key obtained from your OpenAI account. - Input: Use the expression
={{ $json.body.text_to_convert }}to dynamically capture text from the webhook request body. - Voice: Select your desired voice from the available OpenAI TTS voices (e.g.,
fable). - Resource: Ensure this is set to
audio.
- Credentials: Connect your OpenAI API key. Click
- Configure the Respond to Webhook Node:
- Set
respondWithtobinaryto send the audio file.
- Set
- Activate the Workflow:
- Toggle the workflow to active. You can then use the provided webhook URL to trigger audio generation.
Note: For testing, use the test webhook URL and the Test workflow button. For production, ensure the workflow is active.
Apps Used
Workflow JSON
{
"id": "38755879-a99c-4e55-93aa-87ae6a38e310",
"name": "Generate Speech from Text with OpenAI TTS via Webhook",
"nodes": 0,
"category": "AI & LLM",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 38755879-a99c...
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