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Request access
Check an email address or mobile number against known breach corpora and return the breaches, the data types exposed and recency, a signal for account-takeover risk and step-up authentication.
Your application sends
emver API
Validates the request, queries the source, normalises the answer and logs the call. Billed only on success.
Verified with
Authoritative source
You receive
Send the identifier; receive the breach count, the most recent exposure date and the categories of data leaked (passwords, phone, address). Nothing from the breach itself is returned.
Has this email or phone appeared in known credential leaks?
Step up authentication for exposed credentials.
Prompt password resets where it matters.
Where the Data Breach Check API is typically called, and what it settles there.
Risk-based authentication signal.
Part of the digital footprint picture.
Request and response details, environments and a ready-to-import collection are in the developer console.
Call with your organisation API key. Sandbox and production use the same contract.
as a JSON body. Optional fields sharpen the match.
emver queries the authoritative record, normalises the answer and logs the request.
A verification status plus the fields listed above, in the same response envelope as every other API.
Privacy and security built in
Consent recorded · Payloads not retained beyond your retention window · Every request traceable
FAQ
What teams ask before adding the Data Breach Check API to their integration.
Never. Only the fact of exposure and the categories involved.
Usually called with the Data Breach Check API, on the same key.
Risk & Compliance
How established is this person online? Signals from phone, email and app presence.
Contact & Address
Check an email address is deliverable, not disposable and consistent with the person.
Risk & Compliance
Screen people and entities against global sanctions, PEP and watchlists.
Tell us which APIs and what monthly volume. We set up your organisation, approve the APIs with demo hits and share per-call pricing.