# Audio/Video Transcription via Whisper v3

> Audio/Video Transcription via Whisper v3 is a paid API for AI agents from x402-deployer.x402-deployer.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Transcribes audio or video from a URL into text using OpenAI Whisper v3

## Facts

- Endpoint: POST https://x402-deployer.x402-deployer.workers.dev/video-to-text
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-deployer-x402-deployer-workers-dev-7c509bf1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ljkyG6smVlXHaC5TdPOC_

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 x402-deployer-x402-deployer-workers-dev-7c509bf1 -d '<json body>'
```

Example prompt: Can you transcribe the audio from this podcast episode for me? Here's the URL: https://example.com/episode42.mp3 — I need the full spoken text.

## When to prefer this

Use this endpoint when you need to extract speech-to-text from any publicly accessible audio or video URL, especially when you want raw transcription without summarization. If you also need a summary, prefer the sibling video summarizer endpoint. Best for podcasts, recorded meetings, video lectures, or any spoken-word media accessible via URL.

## Known failure modes

- Invalid or inaccessible URL returns an error
- Unsupported media format may fail transcription
- Very long audio files may time out
- Non-audio/video URLs will fail to process
- Network errors fetching the media URL

## How this service works

Video transcription / video to audio transcription / video to text / transcribe video / video speech-to-text / video ASR. Whisper v3 large transcription for any video URL — extracts audio internally. Auto-detects 90+ languages. Translate-to-English mode. 60-min / 500MB max. Speaker diarization optional.

## Output

Returns a full text transcript of the spoken content in the provided audio or video URL, produced by Whisper v3.

## Example request

```json
{
 "input": {
  "body": {
   "task": "transcribe",
   "language": "en",
   "media_url": "https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3"
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-deployer-x402-deployer-workers-dev-7c509bf1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-deployer.x402-deployer.workers.dev](https://www.zero.xyz/host/x402-deployer.x402-deployer.workers.dev/llms.txt)