the402 endpoint detail

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paket.halowerk.com v1 runtime-compat

https://paket.halowerk.com/v1/runtime-compat

answers 402

Normalises what a package version declares about where it can run. For npm that is the engines, os and cpu fields plus the declared package type and whether native build scripts are present; for PyPI it is requires_python together with the operating system, implementation and Python version classifiers.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.004
Network
base
Pay to
0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
141 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:22:58.416Z (23d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpaket.halowerk.com%2Fv1%2Fruntime-compat"