Marketplace · API · x402

api.sitecheck-api.workers.dev/api/domain

Domain lookup over RDAP (the successor of WHOIS) and DNS: registered or available, registrar, creation, update and expiry dates, days until expiry, age, status codes, DNSSEC, name servers, plus whether it resolves (IPv4/IPv6) and its mail servers. Any TLD with an RDAP service; others are inferred from DNS.

Endpoint	`https://api.sitecheck-api.workers.dev/api/domain`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~49 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xb8491F953e6860D3b5840b73c60883Ff099ceAfA
method	GET
last updated	2026-11-09T18:31:26.247Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.sitecheck-api.workers.dev/api/domain
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-14a9d788668bfa34

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

api.sitecheck-api.workers.dev/api/domain

Use it

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