{"uid":"cap_iZ53RBpjxELiT9SUjKfRn","slug":"relayshield-domain-lookalike-checker-110b6424","name":"RelayShield Domain Lookalike Checker","description":"RelayShield Landing Site","url":"https://api.relayshield.net/v1/payg/domain","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","description":"Root domain to scan for lookalikes"}}},"responseSchema":{"type":"json","example":{"ok":true,"data":{"domain":"acme.com","checked_at":"2026-05-19T10:00:00+00:00","lookalikes":[{"domain":"acrne.com"},{"domain":"acme-login.com"}],"lookalikes_found":2,"candidates_checked":30}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AkPmoequOCYXSPQlcDggx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a given domain against a set of candidate domains to find lookalike/typosquatting domains that could be used for phishing or brand abuse","exampleAgentPrompt":"Can you check if there are any lookalike or typosquatting domains targeting acme.com that could be used to phish our customers?","exampleUseCases":[{"title":"Brand protection audit for startup","prompt":"We just launched brandnova.com — can you scan for any lookalike or typosquatting domains that could be used to impersonate us or phish our users?"},{"title":"Phishing threat check before campaign","prompt":"Before we send out our email marketing campaign, can you check acme-bank.com for lookalike domains that bad actors might use to intercept our customers?"},{"title":"Security monitoring for e-commerce site","prompt":"Run a lookalike domain scan on shopnova.com and tell me how many suspicious domains were found and what they are."}],"resultDescription":"Returns a JSON object containing the queried domain, the timestamp of the check, a list of lookalike domain strings detected, the total count of lookalikes found, and the number of candidate domains that were checked during the scan.","failureModes":["Invalid or malformed domain input returns an error","Domain not resolvable or non-existent may return empty lookalikes","Rate limiting or payment failure may block the request","Candidate pool size may limit detection of all possible lookalikes"],"whenToPreferThis":"Use this endpoint when you need to quickly identify typosquatting, homograph, or phishing-style lookalike domains targeting a specific domain. It is well-suited for brand protection, pre-launch security audits, or ongoing monitoring of domains susceptible to impersonation attacks. Prefer this over manual DNS enumeration tools when you need a programmatic, pay-per-use API with structured JSON output.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:39:42.340Z","isFirstParty":false}