the402 endpoint detail

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api.fetchx402.com tools ssl-check

https://api.fetchx402.com/v1/tools/ssl-check

answers 402

Inspect the leaf TLS certificate for a public hostname (validity, issuer, SANs, fingerprint, expiry). Use when you need live cert facts and must not guess. Expired or hostname-mismatched certs still return JSON flags.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x33236133BecE789D551d0B5c4f9A50095d4b57d3
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
90 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:23:55.828Z (1h ago)
Category
web-scraping

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.fetchx402.com%2Fv1%2Ftools%2Fssl-check"