Description

n8n-nodes-smallestai

This is an n8n community node that lets you use Smallest AI in your n8n workflows.

Smallest AI provides state-of-the-art voice AI APIs — including text-to-speech, speech-to-text, and voice cloning — enabling you to build powerful voice-driven automations.

n8n is a fair-code licensed workflow automation platform.

Installation
Operations
Credentials
Compatibility
Resources

Installation

Follow the installation guide in the n8n community nodes documentation.

Operations

Speech (TTS)

• Synthesize Speech — Convert text to speech using Lightning V3.1 (default voices) or Lightning Large (cloned voices). Supports PCM, MP3, WAV, and Mulaw output formats with configurable sample rate, speed, and language.
• Get Voices — Retrieve available voice models for Lightning V2 or Lightning V3.1.

Transcription (STT)

• Transcribe Audio — Transcribe audio to text with support for 20+ languages. Optional age, gender, and emotion detection.

Voice Clone

• Add Voice — Clone a voice from an uploaded audio file.
• Get Cloned Voices — Retrieve all your cloned voices.
• Delete Cloned Voice — Delete a cloned voice by its ID.

Credentials

To use this node, you need a Smallest AI API key:

1. Sign up at console.smallest.ai
2. Navigate to API Keys
3. Create a new API key
4. In n8n, create a new Smallest.ai API credential and paste your API key

Compatibility

• Tested with n8n v1.x and v2.x
• Requires Node.js v22 or higher

Resources

• Smallest AI Documentation
• Smallest AI API Reference
• n8n Community Nodes Documentation

License

MIT