# Autopilot Studio Audio Transcription

> Autopilot Studio Audio Transcription is a paid API for AI agents from autopilot-studio.kariguetoazul.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).

Transcribes base64-encoded audio to text using Whisper large-v3-turbo, returning transcript, word count, duration, and detected language

## Facts

- Endpoint: POST https://autopilot-studio.kariguetoazul.workers.dev/v1/transcribe?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/autopilot-studio-audio-transcription-0eda488a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mtH4l6itbg9VW15UPHSTg

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability autopilot-studio-audio-transcription-0eda488a -d '<json body>'
```

Example prompt: Transcribe this audio clip for me — here's the base64-encoded data — and detect the language automatically.

## When to prefer this

Choose this endpoint when you need fast, per-call audio transcription with per-word and duration metadata, especially when audio is already base64-encoded and you want Whisper large-v3-turbo quality at a low fixed cost of $0.01 USDC per call via x402 micropayments.

## Known failure modes

- Invalid or malformed base64 audio data returns an error
- Unsupported audio format or codec may fail transcription
- Very long audio files may exceed processing limits or timeout
- Incorrect ISO language code may degrade accuracy
- Missing audio field returns a validation error

## How this service works

AI-made art, prompts, stories and guides — fresh every day.

## Output

A JSON object containing the full transcript as 'text', the model used ('whisper-large-v3-turbo'), the number of words, the audio duration in seconds, and the detected or specified language code.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "audio": {
   "type": "string",
   "description": "base64-encoded audio"
  },
  "language": {
   "type": "string",
   "description": "optional ISO code, e.g. en, pt"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "text": "hello world",
  "model": "whisper-large-v3-turbo",
  "words": 2,
  "duration": 1.5,
  "language": "en"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/autopilot-studio-audio-transcription-0eda488a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from autopilot-studio.kariguetoazul.workers.dev](https://www.zero.xyz/host/autopilot-studio.kariguetoazul.workers.dev/llms.txt)