Latenode
HTTP Request

Automate Text-to-Speech with ElevenLabs API and Save Audio Files

This Latenode automation template provides a convenient API endpoint to generate high-quality text-to-speech audio using the ElevenLabs API.

Users can trigger the workflow by sending a POST request to the webhook with the desired voice ID and text, and the template will handle the API call to ElevenLabs and return the generated audio file. This solution is particularly useful for video producers, content creators, and anyone who needs to quickly convert written content into spoken audio.

Updated Apr 2, 2026Est. run: 8sEst. cost: $0.0005
How Latenode estimates time and cost

Latenode bills workflow runs in credits: 1 credit = 30 seconds of processing. Minimum charge per run depends on your plan. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how credits work →
Video, audio & media

Workflow preview

What this template does

  • Receives text input and voice ID from a webhook
  • Sends the text and voice ID to the ElevenLabs API
  • Retrieves the generated audio file from ElevenLabs
  • Saves the audio file to a specified storage location
  • Returns the download URL of the saved audio file

How it works

1
Trigger

Receive POST request with text and voice ID

The workflow is triggered by a POST request to the webhook endpoint, which includes the desired text to be converted to speech and the voice ID for the ElevenLabs API.

2
Action

Generate Speech

The template makes an HTTP request to the ElevenLabs API, passing the provided text and voice ID. The API generates a high-quality audio file from the text.

3
Action

Handle Response

The generated audio file is returned from the ElevenLabs API. The template can then save the audio file to a specified storage location, making it available for further use.

Setup guide

1

Add ElevenLabs API Key Credential

Add your ElevenLabs API key as a credential in the Latenode Credentials panel. This will allow the workflow to securely access the ElevenLabs API to generate speech audio.

2

Configure Webhook Node

Add a Webhook node to the workflow and configure it to receive POST requests. This will be the entry point for users to trigger the text-to-speech generation.

3

Validate Input Parameters

Add an HTTP Request node after the Webhook node. Configure it to check if the required `voice_id` and `text` parameters are present in the incoming webhook request.

4

Generate Speech Audio

Add a JavaScript node after the input validation step. In this node, use the ElevenLabs API credential and the input parameters to make a POST request to the ElevenLabs API and retrieve the generated speech audio file.

5

Return Generated Audio

Add a final node to the workflow that will return the generated speech audio file as the response to the initial webhook request.

Requirements

Obtain an ElevenLabs API key from the ElevenLabs website
Configure the API key in the Latenode workflow as a secure variable
Ensure the Latenode workflow has the HTTP Request and Code nodes enabled
Provide the desired text-to-speech content as input when triggering the Latenode workflow

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work.
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