Inworld/Inworld Text To Speech

inworld-tts-1

Inworld/Text To SpeechLLMs.txt

Ultra-realistic, low-latency voice cloning supports 11 languages, instant & professional cloning, 48 kHz audio, fine emotional control, API access—ideal for dynamic, expressive AI interactions.

API Playground API Documentation

API Endpoint URL

Base URL for all API requests to this endpoint.

https://modelslab.com/api/v7/voice/text-to-speech

API Authentication

Authentication requires a valid API key included in the request. Generate and manage your API keys from your developer dashboard. Include the key in the key parameter for all API requests.

Integration Examples

Production-ready code samples for API integration

{
  "model_id": "inworld-tts-1",
  "prompt": "Hey, love. I just wanted to say… you're doing beautifully. Even if today felt a little messy, even if you didn’t get everything done  that’s okay. You’re still growing, still trying, still shining. I see your heart, your effort, your gentleness. And I just hope you can feel how much you're loved. So rest easy now. You’re safe, you’re enough, and I’m proud of you  more than words can say.",
  "voice_id": "Alex",
  "key": "YOUR_API_KEY"
}

SDKs

Official SDKs

Production-ready SDKs and client libraries for all major programming languages

JavaScript

Python

PHP

API Parameters

Technical specifications for API request parameters.

Field Name	Parameter	Technical Description
Model	`model_id`	Model
Prompt	`prompt`	Prompt for generating audio
Voices	`voice_id`	Click the dropdown to select a voice. We support all the listed languages: English, Spanish, French, Korean, Dutch, Chinese, German, Italian, Japanese, Polish, and Portuguese.