agentsvc.io WHOIS Lookup

x402

agentsvc.io WHOIS Lookup is a paid API for AI agents from agentsvc.io, paid per call via x402, $0.0045/call, status unknown (last checked 2026-10-10).

Looks up WHOIS registration data for a domain, returning registrar, creation/expiry dates, name servers, and status flags.

Price / call$0.0045

Seller volume →—

Success—

StatusUnknown

How this service works

86 APIs for AI agents: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search and more, paid per call with USDC on Base, Solana, Polygon or Arbitrum via x402. No account, no API key, free sample on every service.

Output

Returns a JSON object containing the domain's registrar name and URL, creation/expiry/updated timestamps, days until expiry, DNSSEC status, domain status codes (e.g. clientTransferProhibited), list of name servers, and registrant country code.

Example use cases

Domain expiry monitoring for portfolio

“Check the WHOIS record for mybusiness.com and tell me how many days until it expires so I know if I need to renew soon.”

Vetting a vendor's domain legitimacy

“I'm considering working with a vendor at contractorpro.io — can you pull their WHOIS data so I can see who registered it, when, and whether it looks legitimate?”

Competitive research on a domain

“Look up the WHOIS record for competitor-brand.com and tell me their registrar, registration date, and what nameservers they're using.”

Technical details

Endpoint

POSThttps://agentsvc.io/api/v1/proxy/whois?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need structured, machine-readable WHOIS registration data for a domain without setting up an account or API key — especially useful for agents performing one-off domain investigations, domain portfolio monitoring, or due-diligence checks on unfamiliar websites. Pays per call via USDC on Base, making it suitable for agentic workflows that run infrequently.

Side effects

Domain not found or not registered returns empty or error response
Invalid domain format (e.g. including https://) may cause a parsing error
Some TLDs may have restricted or redacted WHOIS data
Network timeout if WHOIS registry is slow to respond
Private/proxy-registered domains may return redacted registrant info

Input

Schema · Request body

Field	Type	Description
domain	string	Domain to look up (e.g. 'github.com', 'openai.com'). Include TLD, exclude https://

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {
      "dnssec": "unsigned",
      "domain": "github.com",
      "status": [
        "clientDeleteProhibited",
        "clientTransferProhibited",
        "clientUpdateProhibited"
      ],
      "registrar": "MarkMonitor Inc.",
      "created_at": "2007-10-09T18:20:50.000Z",
      "expires_at": "2026-10-09T18:20:50.000Z",
      "updated_at": "2024-09-08T09:18:28.000Z",
      "name_servers": [
        "dns1.p08.nsone.net",
        "dns2.p08.nsone.net",
        "ns-1283.awsdns-32.org",
        "ns-1707.awsdns-21.co.uk"
      ],
      "registrar_url": "http://www.markmonitor.com",
      "days_until_expiry": 548,
      "registrant_country": "US"
    },
    "success": true
  }
}

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