Bulbul V3
Text to Speech API
for India
Deploy natural-sounding Indian voices in minutes. Sub-250ms streaming latency. 35+ voices, 11 languages. Fine-tune pace, tone and expressiveness.
Trusted by leading teams
Production-grade speech synthesis
Lowest character error rates. OpenAI-compatible APIs. Go live in under 10 minutes.

Low latency streaming
Sub-250ms first byte with WebSocket streaming for real-time voice applications

Configurable controls
Fine-tune voice pace, expressiveness, and tone to match your brand

Plug-and-play integrations
Deploy a voice agent in under 10 minutes with SDKs for Python and Node.js

11 Indian languages
Native support for Hindi, Tamil, Telugu, Bengali, Marathi, and more

35+ unique voices
Choose from a wide range of voices across different styles and tones
Low latency streaming
Sub-250ms first byte with WebSocket streaming for real-time voice applications
Configurable controls
Fine-tune voice pace, expressiveness, and tone to match your brand
Plug-and-play integrations
Deploy a voice agent in under 10 minutes with SDKs for Python and Node.js
11 Indian languages
Native support for Hindi, Tamil, Telugu, Bengali, Marathi, and more
35+ unique voices
Choose from a wide range of voices across different styles and tones
Built for every use case
From voice agents to content platforms. Real use cases, already in production.
Dubbing & localization
Natural voiceovers for multilingual media and public communication.
Public announcements
Educational content
Marketing promos & ads
Podcast and informational videos
Developer-first platform
OpenAI-compatible APIs. Drop-in SDKs for Python and Node.js. Go from zero to first audio in under 5 minutes.
REST & WebSocket APIs
Standard REST for batch, WebSocket for real-time streaming with sub-250ms first byte.
SDKs & libraries
Official Python and Node.js SDKs with TypeScript support. pip install sarvam-ai.
Complete documentation
Interactive API reference, code samples, and integration guides for every endpoint.
Free tier included
Start building immediately. No credit card, no sales call, no minimum commitment.
from sarvamai import SarvamAI client = SarvamAI(api_subscription_key="YOUR_SARVAM_API_KEY") response = client.text_to_speech.convert( text="Hello, welcome to our service.", language="hi-IN", speaker="meera", model="bulbul:v3" ) # Save the audio file with open("output.wav", "wb") as f: f.write(response.audio) print(f"Audio saved: {len(response.audio)} bytes")
Best text to speech engine for Indian languages
Bulbul V3 outperforms global competitors on character error rates across every category.
Listener preference rate (8kHz)
Higher is better
ElevenLabs Flash V2.5
ElevenLabs V3 Alpha
Cartesia Sonic-3
Works with your stack
Plug Sarvam TTS into LiveKit, Pipecat, n8n, and more. Pre-built integrations, ready to go.
Enterprise-ready. Data stays in India.
Compliance, control, and data sovereignty. Not bolted on. Built in from day one.
No training on your data
Your API inputs are never used for model training. Zero data retention after processing unless you explicitly request it.
- Data deleted after processing by default
- Opt-in retention with configurable TTL
- Separate data and model training pipelines
- Full DPDP compliance
Deploy on your terms
All processing happens within India. No cross-border transfers. For regulated workloads, we support VPC and on-premise deployment.
- India-only data processing
- VPC and on-premise options
- Consent-based voice cloning
- Content safety filters built in
Security and governance
Every API call is logged and traceable. Role-based access, audit trails, and data residency controls built into the platform.
Base plan
Free trial included
No credit card required. Get API keys instantly.
Frequently asked questions
Start building with India's best TTS API. Get API keys in 30 seconds.
Start building with India's best TTS API.
Get API keys in 30 seconds.