LMNT

8 tools available

LMNT focuses on voice and audio manipulation, possibly leveraging AI to generate or transform sound for various creative and technical use cases

artificial intelligence video & audio

Connect LMNT Visit LMNT ↗

Connect LMNT to Definable to route to the best model per task, mix providers in one workflow, fall back on rate-limits. Personas call LMNT's 8 tools directly from chat or scheduled flows. Add it to your persona's available models and route requests to it where it fits best.

Common workflows with LMNT

Multi-provider routing

Persona decides which model fits
Calls this provider when its strengths apply
Falls back to alternatives on rate-limits

Specialised pipeline

Use this provider for one stage
Pipe to a different model for the next
Combine outputs in the response

LMNT actions 8

Every LMNT action below is a callable tool any Definable persona can invoke.

Create Voice

Creates a custom voice in LMNT by training on uploaded audio samples. The voice can then be used for text-to-speech synthesis. Returns the voice ID and metadata upon successful creation. The voice may be in 'training' state initially before becoming 'ready'.

Delete Voice Info

Deletes a voice from your LMNT account. This operation permanently removes the voice and cancels any pending operations on it. This action cannot be undone. Only voices owned by you (owner='me') can be deleted; system voices cannot be deleted. Use case: Remove custom voices that are no longer needed to manage your voice library.

Generate Speech With Metadata

Generates speech from text and returns JSON with base64-encoded audio and optional word-level timing metadata. Use when you need the synthesis seed or word timestamps for subtitle synchronization. For lower latency without metadata, use the Synthesize Speech action instead.

Get Account

Retrieves account information including subscription plan details and current usage statistics.

Get Voice Info

Gets metadata for a specific LMNT voice, including active status, supported languages, and plan availability. Useful for validating a voice ID before using it in synthesis requests.

Get Voices List

Retrieves a list of available voices from LMNT. Returns both system-provided preset voices and any custom voices you have created. Use filters to narrow results by ownership (system vs custom) or starred status. Each voice includes details like ID, name, description, gender, state, and preview URL.

Synthesize Speech

Synthesizes speech from text using LMNT's AI voices. Converts text (up to 5000 characters) into natural-sounding speech audio using a specified voice. Returns base64-encoded audio at `data.response_data.audio` — decode before saving or passing to other tools. Supports multiple audio formats and quality settings for different use cases.

Update Voice Info

Updates information about a specific voice in LMNT. You can update the name, description, gender, starred status, and unfreeze state of a voice. Note: Only user-owned voices (owner='me') can have their name, description, and gender updated. System voices can only be starred/unstarred.

Frequently asked questions

What can I automate with LMNT on Definable?

Anything LMNT exposes through its API. Common artificial intelligence workflows on Definable include route to the best model per task, mix providers in one workflow, fall back on rate-limits. Personas can call any of the 8 LMNT tools directly, then chain the result into another integration without you writing code.

How does LMNT authentication work?

LMNT uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.

Is the LMNT integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 8 LMNT tools. You only need a separate LMNT subscription if LMNT itself charges per seat or per API call.

Is using LMNT through Definable secure?

Every call from a persona to LMNT is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.

How do I get started with LMNT on Definable?

Sign up for Definable, open the integrations page, find LMNT, and connect via OAuth or API key. You can immediately attach LMNT to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.

What LMNT actions does Definable expose?

Definable exposes all 8 LMNT actions as callable tools — including `Create Voice`, `Delete Voice Info`, `Generate Speech With Metadata`, plus 5 more. Each tool gets a typed parameter schema so personas know exactly how to call it.

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