Sunesis API
Powerful voice AI, one call away
REST & streaming APIs with ultra-low latency. SDKs for TypeScript, Python, and Go. Pay-as-you-go, from real-time streaming to instant voice cloning.
SDKs
Build in your language
TypeScript
npm i @sunesis/sdkPython
pip install sunesisGo
go get github.com/sunesis/sdkREST
curl https://api.sunesis.aiPlayground
Try it live
Run a real voice-synthesis request. The response is mocked, real calls stream audio token-by-token.
import { Sunesis } from "@sunesis/sdk";
const sunesis = new Sunesis(process.env.SUNESIS_KEY);
const audio = await sunesis.voice.speak({
text: "Hi, I'm Aria. I can feel the warmth in your words.",
voice: "aria",
emotion: "warm",
stream: true, // token-by-token streaming
});Global edge
14 regions. Sub-100ms everywhere.
Stream from the region closest to your users. Median latency shown per region.
US East · 38ms
US West · 52ms
São Paulo · 88ms
London · 24ms
Frankfurt · 28ms
Stockholm · 31ms
Cape Town · 142ms
Dubai · 64ms
Mumbai · 78ms
Singapore · 56ms
Tokyo · 44ms
Sydney · 72ms
Seoul · 46ms
Toronto · 36ms
<50ms 50–100ms >100ms
Pricing
Pay for what you use
Transparent per-character and per-minute pricing. No hidden fees.
Voice synthesis
$0.004/1k chars
Avatar video
$0.28/min