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api.relaystation.ai media audio-convert
https://api.relaystation.ai/v1/media/audio-convert
payable
$0.0005/MB. Re-encode audio to another format, bitrate, or sample rate — mp3, aac, wav, flac and more. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x5F7254f252eF9b9f92B6B4F2cF91205eD7A96C7A
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 50 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:12:21.953Z (1d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.relaystation.ai%2Fv1%2Fmedia%2Faudio-convert"