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netintel.dev cert-transparency lookup
https://netintel.dev/cert-transparency/lookup
answers 402
Query the crt.sh certificate transparency log database to enumerate all SSL certificates ever issued for a domain — returns subdomains discovered, certificate issuers, validity periods, and a risk score flagging wildcard certs, expiring certs, and suspicious issuance patterns.
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
- 83 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:23:12.415Z (18h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fnetintel.dev%2Fcert-transparency%2Flookup"