{"slug":"api-sitecheck-api-workers-dev-api-domain-d8f464","title":"Domain lookup over RDAP (the successor of WHOIS) and DNS","host":"api.sitecheck-api.workers.dev","method":"GET","resource":"https://api.sitecheck-api.workers.dev/api/domain","category":"other","description":"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 fr","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":975,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"domain":"wikipedia.org"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"domain":{"description":"Domain or URL, e.g. example.com or https://www.example.com/page","type":"string"}},"required":["domain"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":975,"error":null}],"description_full":"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.","last_updated":"2026-10-09T03:54:56.287Z","schemes":["exact"]}