Feature
Text-to-Speech API
Indian language voices for your app
Integrate VoisLabs' studio-quality Indian language voices into your IVR, app, or automation pipeline. Simple REST API, low latency, and 7 Indian languages with emotion control.
Simple REST API
One POST request to generate audio. No complex SDKs or setup. JSON in, MP3/WAV out.
7 Indian Languages
Hindi, Tamil, Telugu, Bengali, Kannada, Malayalam, and English — all via the same API endpoint.
Emotion Control
Pass a preset parameter to apply any of 30+ emotion styles programmatically.
IVR-Ready
Under 500ms latency. Compatible with Exotel, Knowlarity, Ozonetel, and other Indian IVR providers.
How It Works
1
Get an API key
Generate your API key from the VoisLabs dashboard.
2
Make a request
Send text, voice, language, and preset parameters to our REST endpoint.
3
Get audio
Receive high-quality MP3/WAV audio in the response.
Frequently Asked Questions
What formats does the API return?
The API returns audio in MP3 and WAV formats. You can specify the format in your request.
What's the latency?
Typical generation takes 1-3 seconds for standard text lengths. IVR-mode responses are under 500ms for short utterances.
Is there a rate limit?
Free tier: 10 requests/minute. Paid plans: 60 requests/minute. Enterprise: custom limits.
Can I use the API for IVR systems?
Yes. VoisLabs API is designed for IVR integration and works with Exotel, Knowlarity, Ozonetel, and standard SIP/PSTN systems.