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dns-intel-api-production.up.railway.app dns subdomains
https://dns-intel-api-production.up.railway.app/dns/subdomains
payable
Discover subdomains for a domain via Certificate Transparency logs (crt.sh); returns a de-duplicated, sorted list.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 289 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:17:46.200Z (2d ago)
- Category
- identity
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdns-intel-api-production.up.railway.app%2Fdns%2Fsubdomains"