TTS 1

This documentation is valid for the following list of our models:

• inworld/tts-1

Try in Playground

This model is designed for realtime text-to-speech generation.

Setup your API Key

If you don’t have an API key for the AI/ML API yet, feel free to use our Quickstart guide.

API Schema

post

Body

modelstring · enumRequiredPossible values:

textstring · min: 1 · max: 500000Required

The text content to be converted to speech.

voicestring · enumOptional

Name of the voice to be used.

Default: AlexPossible values:

formatstring · enumOptional

Audio output format. WAV delivers uncompressed audio in a widely supported container format, while MP3 provides good compression and compatibility.

Default: wavPossible values:

streamboolean · enumOptionalDefault: falsePossible values:

Responses

200Success

audiostring · uriRequired

post/v1/tts

curl -L \
  --request POST \
  --url 'https://api.aimlapi.com/v1/tts' \
  --header 'Authorization: Bearer <YOUR_AIMLAPI_KEY>' \
  --header 'Content-Type: application/json' \
  --data '{
      "model": "inworld/tts-1",
      "text": "Cities of the future promise to radically transform how people live, work, and move. Instead of sprawling layouts, we will see vertical structures that integrate residential, work, and public spaces into single, self-sustaining ecosystems. Architecture will adapt to climate conditions, and buildings will be energy-efficient—generating power through solar panels, wind turbines, and even foot traffic."
    }'

200Success

{
  "audio": "https://example.com",
  "meta": {
    "usage": {
      "credits_used": 120000,
      "usd_spent": 0.06
    }
  }
}

Code Example

Python

import requests

# Insert your AI/ML API key instead of <YOUR_AIMLAPI_KEY>:
api_key = "<YOUR_AIMLAPI_KEY>" 
base_url = "https://api.aimlapi.com/v1"

headers = {
    "Authorization": f"Bearer {api_key}",
    "Content-Type": "application/json",
}

data = {
    "model": "inworld/tts-1",
    "text": "It is a fast and powerful language model. Use it to convert text to natural sounding spoken text.",
    "voice": "Deborah",
}

response = requests.post(f"{base_url}/tts", headers=headers, json=data)
response.raise_for_status()

result = response.json()

print("Audio URL:", result["audio"]["url"])

JaveScript

import axios from "axios";

// Insert your AI/ML API key instead of <YOUR_AIMLAPI_KEY>:
const apiKey = "<YOUR_API_KEY>";
const baseURL = "https://api.aimlapi.com/v1";

const headers = {
  Authorization: `Bearer ${apiKey}`,
  "Content-Type": "application/json",
};

const data = {
  model: "inworld/tts-1",
  text: "It is a fast and powerful language model. Use it to convert text to natural sounding spoken text.",
  voice: "Deborah",
};

const main = async () => {
  const response = await axios.post(`${baseURL}/tts`, data, { headers });
  console.log("Audio URL:", response.data.audio.url);
};

main().catch(console.error);

Response

Audio URL: https://cdn.aimlapi.com/generations/tts/inworld-tts-00f0415f-c7c5-4ee3-aa2f-7326a738bc87.mp3/1764327112283-f4bc65b8-415c-4388-9094-a5c80e7f7643.mp3

Listen to the audio sample we generated (~ 3 s):

https://drive.google.com/file/d/1QTOQeHzLztjTgWlGq7CeaB2mDbRTmyvf/viewdrive.google.com