{"uid":"cap_3CHWnAi0vghfuL5YNPuLK","slug":"relayshield-infostealer-check-45e0e787","name":"RelayShield Infostealer Check","description":"Check whether an email address's credentials were harvested by infostealer malware and appear in a criminal stealer-log marketplace — detected 24-72 hours ahead of public breach databases. Call to catch device-level compromise before stolen session cookies or saved passwords are used for account takeover.","url":"https://atq6wtkp6k.execute-api.us-east-1.amazonaws.com/prod/v1/payg/infostealer","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to check for infostealer compromise"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Wta2OVca_BHqnZMVAbb1l","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given email address has been found in infostealer malware logs or credential theft datasets","exampleAgentPrompt":"Can you check whether john.doe@company.com has shown up in any infostealer malware logs or credential theft databases?","exampleUseCases":null,"resultDescription":"Returns a JSON object indicating whether the email was found in infostealer data, a boolean 'found' flag, a list of stealer names that captured it, and a count of how many stealers recorded this email.","failureModes":["Invalid or malformed email address returns validation error","Email not found returns found:false with empty stealers array","Service unavailable or timeout from upstream threat intelligence source","Authentication or payment failure blocks the request","Rate limiting if too many requests are made in a short period"],"whenToPreferThis":"Use this endpoint when you need to determine if a specific email address has been harvested by infostealer malware (e.g. RedLine, Raccoon, Vidar) and its credentials may be compromised. Prefer this over general breach-check services when the specific concern is infostealer campaigns rather than traditional data breach dumps. Useful for security teams onboarding new users, investigating account takeover risk, or screening high-value accounts for credential exposure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:30:04.480Z","isFirstParty":false}