Have I Been Pwned: Check if your email address has been exposed in a data breach
Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.
20
Basic
Agentic Readiness Score
security
openapiapiemail
Agentic Signals
llms.txt
Not found
ai-plugin.json
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OpenAPI Spec
Found
Structured API
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Not specified
Schema.org Markup
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MCP Server
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OpenAPI Spec (preview)
{
"openapi": "3.0.3",
"info": {
"title": "Have I Been Pwned API v3",
"description": "Version 3 of the Have I Been Pwned API. Authenticated APIs for breaches by account, pastes, domain search, domain verification, stealer logs, and subscription status require both the hibp-api-key and user-agent headers. Availability varies by subscription tier and is noted per operation. The Pwned Passwords range API is free and does not require authentication.",
"version": "3.0.0",
"license"