← All endpoints
agent402.tools api transcribe-pro
https://agent402.tools/api/transcribe-pro
payable
Transcribe audio to text using OpenAI (gpt-4o-transcribe). Higher accuracy than the standard tier. Provide a URL to an audio file and get back the transcript. No API key needed; pay per call via x402. Max 10 minutes of audio, 25 MB file size.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.10
- Network
- base
- Pay to
- 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 98 ms
- Payment options
- 12 usable of 12
- Last checked
- 2026-08-10T09:13:36.146Z (1d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.tools%2Fapi%2Ftranscribe-pro"