Media & agents ↗
Text to speech
Text → natural speech audio, ready to embed. Voice notes, IVR lines, narration.
POST /v1/speak$0.05/clip · 5 credits, charged only on success
Send this
{
"text": "Your order has shipped and will arrive Thursday.",
"pace": "normal"
}Every response carries usage — the credits burned and your remaining balance. A failed call never burns credits.
Try it live against your own key in the interactive reference; every account gets 500 free credits a month, no card.
Get this back
{
"audio": "<base64…>",
"mimeType": "audio/wav",
"durationSec": 3.4,
"usage": {
"credits": 5,
"balanceRemaining": 200
}
}Four ways in. Same $0.05/clip.
curl
curl https://api.kynth.studio/v1/speak \
-H "Authorization: Bearer ksk_live_…" \
-H "Content-Type: application/json" \
-d '{"text":"Your order has shipped and will arrive Thursday.","pace":"normal"}'TypeScript
import { KynthCore } from "@kynth/api";
const kynth = new KynthCore({ apiKey: process.env.KYNTH_API_KEY! });
const result = await kynth.speak({
"text": "Your order has shipped and will arrive Thursday.",
"pace": "normal"
});Python
from kynth import Kynth
client = Kynth(api_key=os.environ["KYNTH_API_KEY"])
result = client.speak(
text="Your order has shipped and will arrive Thursday.",
pace="normal",
)MCP
// One-time setup in your MCP client (Claude, Cursor, …):
{ "mcpServers": { "kynth-core": {
"command": "npx", "args": ["@kynth/api-mcp"],
"env": { "KYNTH_API_KEY": "ksk_live_…" } } } }
// Then the agent just calls the kynth_speak tool.More from media & agents
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