{"uid":"cap_sRb2MIEY9ANjO90Akp9HE","slug":"sitecheck-domain-rdap-registration-lookup-080c6b15","name":"SiteCheck Domain RDAP Registration Lookup","description":"Registration facts for a domain from the public RDAP directory: registration date, age in days, expiry, registrar, lock status. No authority score, backlink or spam index: no free public source for those was found (Tranco rank API needs a key; DNS-over-HTTPS was unreachable from the test network).","url":"https://api.fadeandco.workers.dev/api/agent-intel/domain-authority-credibility?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain name such as wikipedia.org (a full URL is accepted and reduced to its host)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"domain":"wikipedia.org","source":"https://rdap.org/domain/wikipedia.org","status":["client delete prohibited","client transfer prohibited"],"ageDays":9414,"checkedAt":"2026-10-23T09:35:16.732Z","expiresOn":"2027-01-13T00:12:14Z","registrar":"MarkMonitor Inc.","lastChanged":"2026-08-12T08:47:19.41Z","registeredOn":"2001-01-13T00:12:14.754Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MW7GI9d6f31UykSnW1bJ_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns RDAP-sourced domain registration facts: registration date, age in days, expiry date, registrar, and lock status for any domain.","exampleAgentPrompt":"Can you check the registration details for wikipedia.org — specifically when it was registered, how old it is, who the registrar is, and whether it's transfer-locked?","exampleUseCases":[{"title":"Phishing site age check","prompt":"I got a suspicious email from a domain called secure-paypal-verify.com — can you look up when it was registered and how old it is? I want to know if it's a newly spun-up phishing domain."},{"title":"Vendor due diligence check","prompt":"Before we sign a contract with this vendor, can you check the registration details for their domain acme-solutions.io — registration date, registrar, expiry, and whether it's locked?"},{"title":"Competitive domain monitoring","prompt":"Can you pull the RDAP registration facts for our competitor's domain rivalapp.com — I want to know when they registered it, when it expires, and who their registrar is."}],"resultDescription":"A JSON object containing the domain name, RDAP source URL, an array of status/lock flags (e.g. 'client transfer prohibited'), domain age in days, the timestamp the check was performed, expiry date, registrar name, last-changed date, and original registration date.","failureModes":["Domain not found in RDAP directory returns an error or empty result","Malformed or non-existent TLD may cause RDAP lookup failure","Rate limiting from the upstream rdap.org service could cause timeouts","Some ccTLD registries do not publish RDAP data, resulting in incomplete responses","Network unreachability to the RDAP endpoint returns a service error"],"whenToPreferThis":"Use this endpoint when you need authoritative, structured domain registration metadata (age, registrar, expiry, lock status) sourced directly from the public RDAP directory. Prefer it over WHOIS-based tools for machine-readable structured output. Note it does not provide SEO authority scores, backlink counts, Tranco rank, or spam indices — use dedicated SEO APIs for those.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T00:33:40.736Z","isFirstParty":false,"canonicalSlug":"sitecheck-domain-rdap-registration-lookup-080c6b15"}