n8n-nodes-leanvox

n8n community node for the LeanVox TTS & STT API.

Convert text to speech, transcribe audio, and manage voices directly from your n8n workflows.

Installation

In your n8n instance, go to Settings > Community Nodes and install:

n8n-nodes-leanvox

Or install manually:

npm install n8n-nodes-leanvox

Credentials

1. Sign up at LeanVox and obtain an API key (starts with lvx_).
2. In n8n, create a new LeanVox API credential and paste your API key.

Resources & Operations

Speech

| Operation | Description | |---|---| | Generate | Synchronous text-to-speech — returns audio binary | | Generate Async | Asynchronous text-to-speech — returns a job ID | | Check Job | Check the status of an async TTS job | | Dialogue | Multi-speaker dialogue generation |

Audio

| Operation | Description | |---|---| | Transcribe | Transcribe audio to text (supports summary & diarization) |

Voices

| Operation | Description | |---|---| | List | List available voices | | List Curated | List curated voices with preview URLs |

Account

| Operation | Description | |---|---| | Check Balance | Check your credit balance |

Notes

• The voice_instructions parameter is only available when using the max model.
• The synchronous Generate operation returns binary audio data that can be connected to downstream nodes (e.g., write to file, send via email).
• Transcribe accepts binary audio input and supports optional features: summary and diarization.

License

MIT