the402 endpoint detail

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reg.chainverdict.xyz cbam threshold

https://reg.chainverdict.xyz/v1/cbam/threshold

answers 402

Track a year of import lines against the CBAM 50-tonne de minimis and catch the retroactivity trap: crossing the threshold at any point pulls every in-scope import that year into scope, not just the excess. Electricity and hydrogen never benefit from the de minimis and are excluded from the count.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0xAe2634E709c454f2720C65A0b2F9ba168e431842
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
153 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:30:43.729Z (4d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Freg.chainverdict.xyz%2Fv1%2Fcbam%2Fthreshold"