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Production-Grade
Voice API

Unified TTS & STT. Studio-quality voices. Streaming under 500 ms.
Flat monthly pricing. Ship in minutes with VoxCore.

No credit card required. Start building in minutes.

Terminal

curl -X POST https://api.voxcore.79.143.180.247.sslip.io/v1/tts/speak \
  -H "Authorization: Bearer vg_live_..." \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello, world!", "voice": "zara-en", "format": "opus"}' \
  -o hello.ogg

Everything you need for voice

A single API for text-to-speech and speech-to-text — built for production from day one.

Text-to-Speech

Multi-engine TTS powered by VoxCore Voice Engine. SSML support, speed control, streaming output in Opus, WAV, or PCM. 40+ languages.

Speech-to-Text

Real-time WebSocket streaming powered by VoxCore Speech Engine. Built-in voice activity detection, advanced noise suppression, word timestamps. 99+ languages.

Streaming-First

First audio byte in under 500ms for TTS. First partial transcript in under 400ms for STT. WebSocket and chunked HTTP.

Studio-Quality Voices

Premium voices ranked at the top of the open-weight TTS leaderboard. Multiple voices per language, adjustable speed, and full SSML support.

Privacy-First

Audio bodies and transcripts are not retained. Nothing is used for training. Only minimal usage metadata is logged for billing.

Ship in minutes, not weeks

Simple REST APIs and WebSocket streams. No SDKs required.

curl -X POST https://api.voxcore.79.143.180.247.sslip.io/v1/tts/speak \
  -H "Authorization: Bearer vg_live_..." \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello, world!", "voice": "zara-en", "format": "opus"}' \
  -o hello.ogg

Simple, predictable pricing

Flat monthly tiers instead of per-character billing. No surprises on your invoice.

Free

$0forever

For hobby projects and experimentation.

100K TTS characters / month
100 STT minutes / month
2 standard voices
5 requests / second
Community support

Get Started Free

Pro

$49/month

For production applications and growing teams.

10M TTS characters / month
6,000 STT minutes / month
All premium voices
60 requests / second
SSML & word timestamps
Email support

Upgrade to Pro

Enterprise

Custom

For organizations with advanced requirements.

Unlimited TTS characters
Unlimited STT minutes
Custom rate limits
Dedicated support & SLA
Custom model fine-tuning

Prices shown are placeholder estimates. See full pricing details →

Frequently asked questions

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