# wafermap.xyz Whisper v3 Turbo Speech-to-Text

> wafermap.xyz Whisper v3 Turbo Speech-to-Text is a paid API for AI agents from wafermap.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).

Transcribes audio files up to 10 MB from an HTTPS URL using OpenAI Whisper v3 Turbo

## Facts

- Endpoint: POST https://wafermap.xyz/v1/stt-whisper?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/wafermap-xyz-whisper-v3-turbo-speech-to-text-c8506ef3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vURNTNvyss_aAPiZuZoIN

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 wafermap-xyz-whisper-v3-turbo-speech-to-text-c8506ef3 -d '<json body>'
```

Example prompt: Can you transcribe the audio file at https://example.com/interview.mp3 and give me the full text of what was said?

## When to prefer this

Choose this endpoint when you have an audio file accessible via a public HTTPS URL and need fast, accurate speech-to-text transcription using Whisper v3 Turbo. Best suited for files under 10 MB in common formats (mp3, wav, m4a, ogg). Ideal for agents that need to transcribe voice memos, podcast clips, interviews, or any short audio recording without managing model infrastructure.

## Known failure modes

- File exceeds 10 MB limit — request rejected
- URL is not HTTPS or is unreachable — returns error
- Unsupported audio format (not mp3, wav, m4a, or ogg) — transcription fails
- Audio is too noisy or low quality — transcript may be inaccurate or incomplete
- URL returns non-audio content — error response

## How this service works

Whisper v3 Turbo — Transcribe audio from an HTTPS link. Files up to 10 MB.

## Output

Returns the full text transcription of the audio content found at the provided HTTPS URL, extracted using Whisper v3 Turbo. The transcript reflects the spoken words in the audio file.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "url": {
   "type": "string",
   "format": "uri",
   "pattern": "^https://",
   "description": "HTTPS link to an audio file (mp3, wav, m4a, ogg)."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/wafermap-xyz-whisper-v3-turbo-speech-to-text-c8506ef3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from wafermap.xyz](https://www.zero.xyz/host/wafermap.xyz/llms.txt)