x402 pay-per-call

Passive DNS and reputation for a domain or IP

Look up passive DNS resolution history and reputation for a domain or IP address. For a domain: which IPs it has resolved to over time. For an IP: which hostnames have resolved to it, plus malicious/suspicious vendor detection counts. Call to pivot from an indicator to its infrastructure history during an investigation.

Billing. $0.10 in USDC per call over x402, on Base or Solana. No API key, no signup and no subscription. Send the request with no payment header, take the 402 challenge that comes back, pay it, and repeat the request. Only successful calls are charged.

post/v1/payg/ip-intel

Request

  • Base URL: https://api.relayshield.net
  • URL: https://api.relayshield.net/v1/payg/ip-intel
  • Auth: none required

Request body

domainstring

Domain to look up (returns reputation + passive DNS resolution history)

ipstring

Alternative: IP address to look up (returns reputation + reverse passive DNS)

Response

Payment settled and the check ran. ok is true and data holds the result.

oktrue required
dataobject required

Changes

No recorded changes to this operation across all 1 revision of this API.