{"slug":"factline-dev-v1-domain-check-5c1254","title":"Domain and website verification for onboarding, fraud and KYB agents","host":"factline.dev","method":"GET","resource":"https://factline.dev/v1/domain/check","category":"company","description":"Domain and website verification for onboarding, fraud and KYB agents: RDAP registration data (registered date, domain age, expiry, registrar, status, nameservers), DNS email setup (MX, SPF, DMARC), disposable-email domains, and a low/medium/high risk with flags such as 'registered 4 days ago' (a com","price_listed":0.003,"price_asked":0.003,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":22,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"domain":"google.com"},"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, website URL or email address, e.g. example.nl","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":0.003,"price_match":true,"latency_ms":22,"error":null}],"description_full":"Domain and website verification for onboarding, fraud and KYB agents: RDAP registration data (registered date, domain age, expiry, registrar, status, nameservers), DNS email setup (MX, SPF, DMARC), disposable-email domains, and a low/medium/high risk with flags such as 'registered 4 days ago' (a common sign of scam shops and phishing). Accepts a domain, URL or email address.","last_updated":"2026-10-10T00:03:54.029Z","schemes":["exact"]}