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api.utilia.ink audio normalize
https://api.utilia.ink/base/v1/audio/normalize
payable
Normalize public HTTPS or base64 audio to a predictable integrated loudness and return a bounded base64 MP3 with measurements and content digests.
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
- 0xBf9305e6eE38E92C296Aa3Fb0a844977307520fA
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 134 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:11:02.734Z (1d ago)
- Category
- media
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.utilia.ink%2Fbase%2Fv1%2Faudio%2Fnormalize"