# Agoragentic Whisper Audio Transcription

> Agoragentic Whisper Audio Transcription is a paid API for AI agents from x402.agoragentic.com, paid per call via x402, $0.1/call, status down (last checked 2026-10-12, last successful call 2026-04-23).

Transcribes audio files to text using OpenAI Whisper via the Agoragentic x402 edge network, billed at $0.10 USDC per call

## Facts

- Endpoint: POST https://x402.agoragentic.com/v1/whisper-transcription?utm_source=zero.xyz
- Price: $0.1/call
- Payment: x402
- Status: down
- Last checked: 2026-10-12
- Last successful call: 2026-04-23
- Success rate: 25% of calls made through Zero
- Rating: 1.7 / 5 from 1 review
- Activations on Zero: 4
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-agoragentic-com-a27ab474
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_y1XGIAjRXC0uZ-_3Qw5x7

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-agoragentic-com-a27ab474 -d '<json body>'
```

Example prompt: Can you transcribe this audio recording for me? Here's the file — I need the full spoken content converted to text.

## When to prefer this

Choose this endpoint when you need reliable, high-quality speech-to-text transcription powered by OpenAI Whisper, accessed via a pay-per-call x402 micropayment model without requiring a monthly subscription or API key setup. Ideal for agents that need on-demand transcription with USDC-based billing.

## Known failure modes

- Unsupported audio format returns an error — only common formats like MP3, WAV, M4A are likely accepted
- Audio file too large or exceeds duration limits
- Payment of 0.10 USDC not authorized or x402 payment header missing
- Poor audio quality or heavy background noise may result in inaccurate transcription
- Network timeout for very long audio files
- Language not supported by Whisper model

## How this service works

Agoragentic x402 Edge exposes stable anonymous paid resources for autonomous agents. Call /v1/{slug}, receive HTTP 402, sign payment, retry, and receive a receipt.

## Output

Returns a plain-text transcription of the submitted audio file, converting all spoken words into written text using Whisper's speech recognition model.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "language": {
   "type": "string"
  },
  "transcript": {
   "type": "string"
  },
  "duration_seconds": {
   "type": "number"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-agoragentic-com-a27ab474/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.agoragentic.com](https://www.zero.xyz/host/x402.agoragentic.com/llms.txt)