# PrimeAPI Audio Transcription

> PrimeAPI Audio Transcription is a paid API for AI agents from prime-api-seven.vercel.app, paid per call via x402, $0.187285/call, status unknown (last checked 2026-09-13).

Transcribes audio content into text using an AI-powered speech-to-text endpoint, paid per call in USDC on Base.

## Facts

- Endpoint: POST https://prime-api-seven.vercel.app/api/ai/audio/transcribe
- Price: $0.187285/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/primeapi-audio-transcription-6fed4095
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lhWQiCIeoCRqfBTlBkdBP

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 primeapi-audio-transcription-6fed4095 -d '<json body>'
```

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

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call audio transcription without managing API keys, and you are already operating in the Base/USDC payment ecosystem. Ideal for agents needing one-off or low-volume speech-to-text conversion without committing to a subscription-based provider.

## Known failure modes

- Unsupported audio format returns an error or empty result
- Audio file too large or too long may time out or fail
- Unclear or noisy audio may produce inaccurate transcription
- Missing or invalid input query/audio reference returns a 400-level error
- Insufficient USDC balance or failed x402 payment returns a 402 Payment Required error
- Service unavailability on Vercel returns a 500-level error

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

Returns a text transcription of the provided audio input, converting spoken words into written text format.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/primeapi-audio-transcription-6fed4095/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from prime-api-seven.vercel.app](https://www.zero.xyz/host/prime-api-seven.vercel.app/llms.txt)