Lifelike speech, in real time

Turn text into natural, expressive voice — fast enough for live calls, in 23 languages, with your own cloned voice if you want it.

voice.synthesize
“Your appointment is confirmed for 3 PM. Reply 1 to reschedule.”
Aditi · Hindi~75ms first byteMP3 · 24kHz
Live demo

See it in action

Live Demo

Input text

82 / 1,000 characters

Select voice

Capabilities

What you get

Every capability, shown — not just described.

Lifelike voices

Natural, expressive text-to-speech that sounds human, with multiple voice profiles per language.

Englishहिन्दीதமிழ்తెలుగుবাংলাಕನ್ನಡ+17

23 languages

English plus 23 Indic languages with native pronunciation and accent support.

~75msfirst byte

Real-time streaming

Sub-second first-byte latency — fast enough for live, interruptible phone conversations.

30s sample your voice

Voice cloning

Clone a brand or spokesperson voice from a short sample and use it across every agent.

Speed
Pitch
Emphasis

Fine control

Tune speed, pitch, and emphasis with SSML for pronunciation and pacing that fit your script.

₹/minusage-based

Built for scale

Transparent, usage-based pricing that stays affordable from the first call to the millionth.

Engines

Pick the right voice engine

Trade latency for richness, or richness for latency — switch per request.

Flash / Turbo

Ultra-Low Latency

Optimized for real-time applications where speed is critical. Produces natural-sounding speech in ~75ms with support for 32 languages and a 40,000 character limit per request.

  • ~75ms latency
  • 32 languages supported
  • 40,000 char limit
  • Ideal for live calls & voice bots

Multilingual v2 / v3

High Quality

Premium voice synthesis with rich naturalness and emotional range across 32 languages. ~250–300ms latency — perfect for IVR, content narration, and branded voices.

  • ~250–300ms latency
  • 32 languages supported
  • Emotionally expressive
  • Ideal for IVR & narration
API capabilities

Every voice control, explained

Click a parameter to see how it shapes speech — and the request that turns it on.

Voice

voice_id

Pick a named voice profile — or a cloned brand voice — so every agent sounds consistent across calls.

Live example

Anushka

Indic · warm

Arjun

Indic · clear

Priya

en-IN · support

selected
Request
{
  "text": "Welcome to Pollax support.",
  "voice_id": "pollax-indic-anushka",
  "model": "flash"
}
Response
{
  "audio_url": "https://cdn.pollax.ai/tts/abc.mp3",
  "voice_id": "pollax-indic-anushka",
  "duration_ms": 1840
}
Use cases

Power your applications

Natural speech for every scenario

Customer Service

  • IVR systems
  • Voice notifications
  • Call automation
  • Support bots

Content Creation

  • Audiobooks
  • Podcasts
  • Video narration
  • E-learning

Accessibility

  • Screen readers
  • Text readers
  • Navigation
  • Educational tools

Marketing

  • Ad voiceovers
  • Product demos
  • Promo content
  • Social media
At a glance

Real-time, production-ready

<0ms
First-byte latency
0
Indian languages
0+
Voices
0.0%
Uptime
Languages

22 Indian languages, 36+ in total

Native pronunciation and scripts — with the ability to switch language mid-call based on the speaker.

Indian languages

Hindiहिन्दी
English (India)
Bengaliবাংলা
Teluguతెలుగు
Marathiमराठी
Tamilதமிழ்
Gujaratiગુજરાતી
Kannadaಕನ್ನಡ
Malayalamമലയാളം
Punjabiਪੰਜਾਬੀ
Odiaଓଡ଼ିଆ
Assameseঅসমীয়া
Urduاردو
Maithiliमैथिली
Konkaniकोंकणी
Nepaliनेपाली
Kashmiriکٲشُر
Sindhiسنڌي
Dogriडोगरी
Manipuriমৈতৈলোন্
Bodoबड़ो
Santaliᱥᱟᱱᱛᱟᱲᱤ
Sanskritसंस्कृतम्

International

English (US)
English (UK)
SpanishEspañol
FrenchFrançais
GermanDeutsch
Japanese日本語
Chinese中文
PortuguesePortuguês
Korean한국어
ItalianItaliano
Arabicالعربية
RussianРусский
FAQ

Questions, answered

What audio formats are supported?

Streaming and full-file output in common formats (MP3, WAV, PCM) suitable for telephony and web playback.

Can I use my own voice?

Yes — clone a voice from a short sample with Voice Cloning, then reference it by id in any agent or synthesis request.

Is it fast enough for live calls?

Yes. Streaming TTS returns the first audio in well under a second, so agents respond without awkward pauses.

Which languages are available?

English and 23 Indic languages, with voices tuned for native pronunciation; more are added regularly.

Hear it for yourself

Generate your first audio in minutes with a free API key.