{"uid":"cap_4EeiyYCLGKLQxO-J9oJHh","slug":"payai-domain-trust-score-c3e0e18d","name":"PayAI Domain Trust Score","description":"Phishing/trust verdict for a website domain before an agent transacts with an unfamiliar merchant. Fuses registration age (RDAP), DNS/mail posture (SPF, DMARC, DNSSEC), TLS validity, Certificate Transparency history and a typosquat/homoglyph analysis into a composite trust score 0-100, a category (trusted / caution / untrusted / unknown), per-dimension flags and reasons. Trust indicators, not a guarantee.","url":"https://payai.agentstools.dev/domain/trust?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"url":{"type":"string","description":"Alternative input: a URL (its host is used)"},"host":{"type":"string","description":"Alternative input: a bare hostname"},"domain":{"type":"string","description":"Domain or hostname to assess (e.g. example.com)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":{"p10Cents":"2.0000","medianCents":"2.0000","p90Cents":"2.0000","minCents":"2.0000","maxCents":"2.0000","p95Cents":"2.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kNWv77fliGXNAk2_XNVYZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a composite trust score and category verdict for a domain by fusing registration age, DNS/mail posture, TLS validity, Certificate Transparency history, and typosquat/homoglyph analysis.","exampleAgentPrompt":"Before I pay this merchant at checkout-secure-payments.com, can you run a domain trust check on it and tell me the trust score, category, and any red flags like typosquatting, missing DMARC, or a newly registered domain?","exampleUseCases":[{"title":"Verify merchant legitimacy before checkout","prompt":"I'm about to place an order with a new seller at theirstore-online.net. Can you check if their domain looks trustworthy and let me know if there are any red flags I should be aware of before entering my payment info?"},{"title":"Screen supplier domains for business deals","prompt":"My team is considering using a new B2B supplier at industrial-solutions-global.com. Can you do a domain trust assessment and tell me if there are any security concerns with their website before we sign a contract?"},{"title":"Detect phishing attempts in email links","prompt":"I got an email from someone claiming to be from our bank at secure-banklogin-verify.com. Can you quickly check that domain and tell me if it looks legitimate or if it might be a phishing attempt?"}],"resultDescription":"A composite trust score from 0 to 100, a categorical verdict (trusted, caution, untrusted, or unknown), per-dimension flags covering registration age, SPF/DMARC/DNSSEC posture, TLS validity, Certificate Transparency history, and typosquat/homoglyph analysis, plus human-readable reasons for each flag.","failureModes":["Domain not resolvable or not found — returns unknown category with explanation","Invalid domain format input — returns 400-level error","RDAP/DNS lookups timeout — partial results with missing dimension flags","Typosquat analysis inconclusive for uncommon TLDs","Rate limiting or payment failure for x402 protocol"],"whenToPreferThis":"Use this endpoint when an AI agent is about to transact with or recommend an unfamiliar merchant domain and needs a multi-signal trust assessment before proceeding. Ideal for pre-payment due diligence, phishing detection pipelines, or any workflow where domain legitimacy matters. Prefer over simple WHOIS lookups because it fuses multiple trust dimensions into a single actionable score.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:43:15.476Z","isFirstParty":false,"canonicalSlug":"payai-domain-trust-score-c3e0e18d"}