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audio.halowerk.com convert
https://audio.halowerk.com/convert
answers 402
Converts to FLAC, WAV at 16 or 24 bit, MP3, Opus or AAC, with sample rate, channel count and quality all settable and all reported back. What separates this from a bare transcode is the verdict on what the conversion actually did. The spectral cut-off of the source is measured first, so a source that already passed through a lossy stage is recognised before it is wrapped in a lossless container: c
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.006
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 516 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:38:39.598Z (6h ago)
- Category
- media
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Faudio.halowerk.com%2Fconvert"