the402 endpoint detail

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api.kadec0.xyz v1 website-audit

https://api.kadec0.xyz/v1/website-audit

payable

Instant website SEO audit. On-page SEO, performance, and accessibility snapshot for any URL — title, meta tags, headings, links, image alt, load time, and an issues list with score.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.08
Network
base
Pay to
0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
279 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:09:04.865Z (1d ago)
Category
media

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.kadec0.xyz%2Fv1%2Fwebsite-audit"