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SiteCheck Web Intel – HIBP Domain Breach Lookup
x402
SiteCheck Web Intel – HIBP Domain Breach Lookup is a paid API for AI agents from api.webintel-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-25).
Returns all data breaches recorded by HaveIBeenPwned for a given domain, including breach name, date, affected account count, exposed data types, and verification status.
Price / call$0.002
Success—
StatusUnknown
How this service works
Lists the data breaches HaveIBeenPwned has recorded for a domain (breach name, breach date, accounts affected, data types exposed, verified flag). It is the public breach catalogue, not a check of individual email addresses (that needs a paid key and is not offered here).
Output
A list of breach objects for the queried domain, each containing: breach name, breach date, number of affected accounts, data types exposed (e.g. email addresses, passwords, phone numbers), and a boolean verified flag indicating whether HIBP has confirmed the breach as legitimate.
Example use cases
Due diligence breach history check
“Before we sign a data sharing agreement with this vendor, can you check HaveIBeenPwned for all recorded breaches on their domain salesforce.com — I need breach dates, how many accounts were affected, and what categories of data got exposed?”
Security audit for own company domain
“Run a breach history check on our company domain acmecorp.com against HaveIBeenPwned and list every breach that's been recorded — names, dates, data types leaked, and whether each breach is verified.”
Journalism research on breach timeline
“I'm writing about the history of data breaches at Yahoo — can you pull all the HIBP breach records for yahoo.com, showing breach names, the dates they happened, and the number of accounts affected each time?”
Technical details
Endpoint
GEThttps://api.webintel-api.workers.dev/api/security/hibp-breach-check?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a domain-level breach catalogue — i.e. all breaches associated with a company or website — rather than checking whether a specific individual email address has been compromised. This is the public HIBP breach data, so no paid API key is required. Prefer this over a raw HIBP API call when you need a pay-per-call, no-credential approach accessible to AI agents via x402 micropayment.
Side effects
- Domain not found in HIBP database — returns empty list or 404-style response
- Invalid domain format — may return validation error
- HIBP upstream API unavailable — proxy returns 5xx error
- Rate limiting or payment failure — returns 402 or 429 error
- Domain with no recorded breaches returns empty results, which may be misread as an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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