the402 endpoint detail

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netintel.dev cloud-fingerprint analyze

https://netintel.dev/cloud-fingerprint/analyze

answers 402

Fingerprints a domain's cloud infrastructure by probing DNS records, HTTP headers, and PTR lookups to detect CDN, WAF, hosting, DNS provider, and email provider with confidence scores and an infrastructure security grade (A–F).

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
102 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:23:14.102Z (18h ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fnetintel.dev%2Fcloud-fingerprint%2Fanalyze"