English Text to Speech API

Add natural English voice generation to your product with a single HTTP request. Send English text, get back lifelike MP3 audio — no SDK required, works with any language or framework.

English is spoken by roughly 1.5 billion people worldwide as a first or second language and is the dominant language of online video and e-learning. LyreWave offers a wide range of English accents, including American, British, and Australian.

Quick example

Convert English text to speech in one request:

curl -X POST https://lyrewave.com/api/v1/text-to-speech/CwhRBWXzGAHq8TQ4Fs17 \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"text":"Welcome to LyreWave — your all-in-one AI voice studio.","model_id":"premium"}' \
  --output english-speech.mp3

The text field above is real English: “Welcome to LyreWave — your all-in-one AI voice studio.

Endpoints

POST /api/v1/text-to-speech/{voice_id} — English text → speech

GET /api/v1/voices — list available voices

POST /api/v1/speech-to-text — transcribe English audio

Models: express, balanced, premium.

Get your English TTS API key

API access is granted on request. Sign in, tell us what you’re building, and we’ll enable your account with free credits to start.

English text to speech API — FAQ

Is there a free English text to speech API?

Yes. LyreWave offers a English text-to-speech API with free credits on signup — no credit card required. You send English text in a single HTTP request and get back natural MP3 audio.

How do I convert English text to speech with an API?

Request an API key, then POST your English text to /api/v1/text-to-speech/{voice_id} with your key in the Authorization header. The response is a ready-to-use MP3 audio stream.

Which voices and models are available for English?

LyreWave provides dozens of natural voices that speak English, across three quality tiers — express, balanced, and premium. List available voices via GET /api/v1/voices.

Can I use the English TTS API in a commercial product?

Yes. Generated English audio can be used in videos, apps, IVR systems, e-learning and other commercial projects. Access is granted on request — apply from the developer page.

Text to speech API in other languages