{"uid":"cap_DYbsfSH9QiNCWRsHCofAj","slug":"relayshield-breach-check-9a56a40e","name":"RelayShield Breach Check","description":"Check whether an email address appears in known data breaches. Returns breach count, source names, dates, and exposed data types (passwords, emails, etc). Call before trusting a new user identity or granting elevated access.","url":"https://atq6wtkp6k.execute-api.us-east-1.amazonaws.com/prod/v1/payg/breach","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to check"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PkallqlOORa-gkRbztptc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether an email address has appeared in known data breaches, returning breach details and count","exampleAgentPrompt":"Can you check if the email address john.doe@example.com has ever shown up in any known data breaches, and tell me which ones and what type of data was exposed?","exampleUseCases":null,"resultDescription":"Returns whether the email was found in known breaches, with a list of breaches including breach name, affected domain, breach date, verification status, and categories of data exposed (e.g. passwords, email addresses), plus a total breach count.","failureModes":["Invalid or malformed email address returns validation error","Email not found in any breach database returns empty breaches array with breach_count 0","API gateway timeout or cold start may cause temporary 5xx errors","Payment failure (x402) if USDC balance is insufficient or payment header is missing","Rate limiting if too many requests are sent in quick succession"],"whenToPreferThis":"Use this endpoint when you need to check whether a specific email address has appeared in known public data breaches, particularly when you need breach-level detail (name, domain, date, data classes). Prefer this over generic HIBP-style checks when operating within the RelayShield security suite for consistent risk scoring alongside wallet and URL checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:39:27.291Z","isFirstParty":false}