AI Text-to-Speech Agent: ElevenLabs Voice Generation

Unlock Realistic Voice Generation with this AI Agent

This n8n AI Agent streamlines the integration of ElevenLabs' advanced text-to-speech (TTS) capabilities into your applications and workflows. By exposing a simple webhook, it allows you to send text and a specific ElevenLabs voice ID, and in return, receive high-quality, natural-sounding audio. This agent is designed to empower solopreneurs, founders, and tech leaders to effortlessly automate voice content creation, enhancing user experiences and operational efficiency.

Its core ability is AI-driven voice generation, transforming text inputs into audible speech with remarkable clarity and expressiveness.

Key Features & Benefits

• AI-Powered Speech Synthesis: Leverages ElevenLabs' cutting-edge AI models for realistic, human-like voice output.
• Webhook Integration: Simple POST request to trigger voice generation with text and voice_id parameters.
• Custom Voice Selection: Utilize any ElevenLabs voice ID to match your brand's tone or specific project needs.
• Direct Binary Audio Output: Delivers generated speech as binary data, ready for immediate use in applications or for file storage.
• Input Validation: Checks for required voice_id and text parameters, returning an error for invalid requests.
• Time-Saving Automation: Perfect for automating voiceovers for video production, personalized audio messages, IVR system responses, accessibility features, and more.

• An n8n instance (Cloud or self-hosted).
• An ElevenLabs account and API Key.
• n8n custom authentication method configured for ElevenLabs (see Setup Instructions).

1. Download the n8n workflow JSON file.
2. Import the workflow into your n8n instance.
3. Configure ElevenLabs Custom Credentials in n8n: a. In n8n, navigate to 'Credentials' and click 'Add credential'. b. Select 'Custom' as the credential type. c. Name your credential (e.g., ElevenLabs API Key). d. For the 'Authentication Data JSON', use the following structure, replacing your-elevenlabs-api-key with your actual ElevenLabs API key: json { "headers": { "xi-api-key": "your-elevenlabs-api-key" } } e. Save the credential.
4. Open the imported workflow in n8n.
5. Select the 'Generate voice' (HTTP Request) node.
6. In the parameters, under 'Authentication', choose 'Custom Auth'.
7. For 'Credential for Custom Auth', select the credential you created in step 3.
8. (Optional) Modify the 'Webhook' node's path from generate-voice if needed.
9. Activate the workflow.
10. To use the agent, send a POST request to the webhook URL (e.g., YOUR_N8N_URL/webhook/generate-voice) with a JSON body containing voice_id and text. For example:

    {
      "voice_id": "21m00Tcm4TlvDq8ikWAM",
      "text": "Hello from your n8n AI Voice Agent!"
    }
    

    Replace 21m00Tcm4TlvDq8ikWAM with a valid ElevenLabs voice ID.