RelayShield Infostealer Email Lookup

x402

RelayShield Infostealer Email Lookup is a paid API for AI agents from api.relayshield.net, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-14).

Checks whether a given email address appears in infostealer malware logs, returning matched stealer records and a count

Price / call$0.15

Seller volume →—

Success—

StatusUnknown

How this service works

RelayShield Landing Site

Output

Returns a JSON object with an 'ok' flag, the queried email, a boolean 'found' field indicating presence in infostealer logs, an array of matched stealer records ('stealers'), and a 'stealer_count' integer showing how many stealer logs matched.

Example use cases

Personal account compromise check

“I want to know if my email address sarah.jones@gmail.com has been picked up by any infostealer malware — can you check the RelayShield database for me?”

Security audit for employee emails

“We had a potential malware incident at work — can you check whether the email m.torres@mycompany.com appears in any infostealer logs so I can assess the exposure?”

Pre-onboarding credential risk check

“Before we give this contractor access to our systems, can you verify if their email alex.nguyen@freelancer.io has been harvested by any infostealer malware?”

Technical details

Endpoint

POSThttps://api.relayshield.net/v1/payg/infostealer

When to prefer

Use this endpoint when you need to check whether a specific email address appears in infostealer malware logs — particularly for threat intelligence, account security audits, or credential exposure monitoring. Prefer this over general data breach lookup services (like HaveIBeenPwned) when you specifically need infostealer-sourced compromise data rather than breach dump data.

Side effects

Invalid or malformed email address returns an error or empty result
Email not found returns found:false with an empty stealers array — not an error
Service unavailable or timeout if the stealer database is unreachable
Missing or invalid payment header results in 402 payment required
Rate limiting may occur for high-volume queries

Input

Schema · Request body

Field	Type	Description
email	string	Email address to check for infostealer compromise

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true,
    "data": {
      "email": "user@example.com",
      "found": false,
      "stealers": [],
      "stealer_count": 0
    }
  }
}

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Example use cases

Personal account compromise check

“I want to know if my email address sarah.jones@gmail.com has been picked up by any infostealer malware — can you check the RelayShield database for me?”

Security audit for employee emails

“We had a potential malware incident at work — can you check whether the email m.torres@mycompany.com appears in any infostealer logs so I can assess the exposure?”

Pre-onboarding credential risk check

“Before we give this contractor access to our systems, can you verify if their email alex.nguyen@freelancer.io has been harvested by any infostealer malware?”

Technical details

Endpoint

POSThttps://api.relayshield.net/v1/payg/infostealer

When to prefer

Side effects

Invalid or malformed email address returns an error or empty result
Email not found returns found:false with an empty stealers array — not an error
Service unavailable or timeout if the stealer database is unreachable
Missing or invalid payment header results in 402 payment required
Rate limiting may occur for high-volume queries

Input

Schema · Request body

Field	Type	Description
email	string	Email address to check for infostealer compromise

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true,
    "data": {
      "email": "user@example.com",
      "found": false,
      "stealers": [],
      "stealer_count": 0
    }
  }
}