Supported Languages
Choose from the language inventory currently exposed by the production API.
Text to Speech
Text to Speech. Done right.
Supported production languages, adjustable delivery controls, async processing, and a JWT REST API.
Hear the product
A short Duramo Lab voice sample
Listen without autoplay. Sign up to generate your own script and download the result.
Start with 35,000 free credits
Features
Professional-grade speech synthesis for every use case
Everything you need for production-quality text to speech.
Async Processing
Submit text within your plan's documented character limit and poll for the result.
Fine-Tune Controls
Speed from 0.25x to 4x. Pitch shift. Emotion presets. You control delivery.
Expressive Voices
Curated presets and exclusive Vox Specials. Each with its own personality.
Developer API
Versioned REST endpoints, JWT authentication, usage tracking, and documented response states.
Script Editor
Character counts. Pause insertion. Text analysis. Built for long-form narration.
Use Cases
Who needs AI text-to-speech
From content creators to developers building voice products.
Content Creators
Voiceovers for YouTube, podcasts, and social. Multiple languages. No voice actors.
E-Learning
Course materials using the languages currently supported by the production voice inventory.
Accessibility
Written content becomes speech using the supported production language inventory.
Developers
Add voice to chatbots, IVR, audiobooks, and assistive tools. One REST API.