Transcription

An audio recording → accurate text with speakers and paragraph timestamps. Meetings, calls, voice notes.

POST /v1/transcribe$0.10/recording · 10 credits, charged only on success

Send this

{
  "audioUrl": "https://…/standup.mp3",
  "diarize": true
}

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

{
  "text": "Alright, quick standup. Priya, want to start? …",
  "segments": [
    {
      "speaker": "Speaker 1",
      "start": "00:00",
      "text": "Alright, quick standup. Priya, want to start?"
    },
    {
      "speaker": "Speaker 2",
      "start": "00:04",
      "text": "Sure — the duplicate-charge fix is reviewed…"
    }
  ],
  "language": "en",
  "usage": {
    "credits": 10,
    "balanceRemaining": 217
  }
}

Four ways in. Same $0.10/recording.

curl

curl https://api.kynth.studio/v1/transcribe \
  -H "Authorization: Bearer ksk_live_…" \
  -H "Content-Type: application/json" \
  -d '{"audioUrl":"https://…/standup.mp3","diarize":true}'

TypeScript

import { KynthCore } from "@kynth/api";

const kynth = new KynthCore({ apiKey: process.env.KYNTH_API_KEY! });
const result = await kynth.transcribe({
  "audioUrl": "https://…/standup.mp3",
  "diarize": true
});

Python

from kynth import Kynth

client = Kynth(api_key=os.environ["KYNTH_API_KEY"])
result = client.transcribe(
    audioUrl="https://…/standup.mp3",
    diarize=True,
)

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_transcribe tool.

More from media & agents

Agent memory

$0.02/operation

Store, search, and forget memories for your agents — semantic recall on your own namespace, no vector DB to run.

Image generation

$0.10/image

A prompt → a production-ready image. Marketing visuals, product scenes, and consistent brand imagery.

Text to speech

$0.05/clip

Text → natural speech audio, ready to embed. Voice notes, IVR lines, narration.

Get your key — 500 free credits monthly