# OmniAPI Audio Transcription

> OmniAPI Audio Transcription is a paid API for AI agents from omni-api-cyan.vercel.app, paid per call via x402, $0.026977/call, status unknown (last checked 2026-09-15).

Transcribes audio input into text using an AI-powered speech-to-text service, paid per call via USDC over the x402 protocol

## Facts

- Endpoint: POST https://omni-api-cyan.vercel.app/api/ai/audio/transcribe
- Price: $0.026977/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/omniapi-audio-transcription-97b8e8f2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_RbVVkFjPsw-cMFHfFVKF-

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 omniapi-audio-transcription-97b8e8f2 -d '<json body>'
```

Example prompt: Can you transcribe this audio recording for me? Here's the audio: [audio URL or data]. I need the spoken words converted to text.

## When to prefer this

Choose this endpoint when you need pay-per-call audio transcription without a subscription, especially in crypto-native or x402-compatible agent workflows where USDC micropayments are the preferred billing mechanism. It is suitable for occasional or bursty transcription needs across multiple chains.

## Known failure modes

- Invalid or missing audio input returns an error
- Unsupported audio format may cause processing failure
- Payment failure via x402 (insufficient USDC balance) blocks the request
- Very long or large audio files may time out
- Low-quality or noisy audio may produce inaccurate transcripts

## How this service works

444 endpoints across 9+ chains. Crypto, AI, Social, Finance, Weather, Tools. Pay per call in USDC via x402 with 4 facilitators: Dexter, Meridian, FluxA, GoPlausible.

## Output

Returns a structured API response containing the transcribed text extracted from the provided audio input, representing the spoken content as a string.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "input": {
   "type": "string",
   "description": "Input data for the endpoint"
  },
  "query": {
   "type": "string",
   "description": "Search query or input text"
  },
  "params": {
   "type": "object",
   "description": "Additional parameters"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/omniapi-audio-transcription-97b8e8f2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from omni-api-cyan.vercel.app](https://www.zero.xyz/host/omni-api-cyan.vercel.app/llms.txt)