checkleaked.cc valid
CheckLeaked.cc
Free data breach search engine. Billions of records indexed across thousands of breaches. Email, phone, and username lookups plus a developer REST API.
For agents: CheckLeaked.cc: free data breach search engine for email, phone and username lookups across indexed breaches, with a documented REST API and OpenAPI spec.
data breach searchemail breach checkosint lookupbreach apileaked credentials
- Authority
- 49 reach 8 · trust 5 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://checkleaked.cc/llms.txt
- Sections
- 12
- Links
- 29
- Size
- 2743 bytes
- Popularity rank
- #239816
- Categories
- Cybersecurity · APIs and SDKs
- For agents
- Interface: a documented API or declared MCP endpoint an agent can call
- Audience
- mixed · agents can: search content, call api, read docs · en
- First seen
- 2026-10-19T10:40:54.096Z
- Last checked
- 2026-10-19T11:59:37.403Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-21T13:40:41.428Z. Cached copy · Source on checkleaked.cc
# CheckLeaked.cc
> Free data breach search engine. Billions of records indexed across thousands of breaches. Email, phone, and username lookups plus a developer REST API.
## Core
- [Home](https://checkleaked.cc/): search interface
- [API docs](https://api.checkleaked.cc/docs): API reference
- [OpenAPI spec](https://api.checkleaked.cc/docs/openapi.json): OpenAPI 3.1 JSON
- [Pricing](https://checkleaked.cc/pricing)
## Breach catalog
- [Breaches](https://checkleaked.cc/breaches): catalog of all known breaches, each with its own page at https://checkleaked.cc/breaches/<Name>
## News
- [News](https://checkleaked.cc/news): breach disclosures and security news
## Comparisons
- [Compare](https://checkleaked.cc/compare): CheckLeaked.cc against other breach checkers
## FAQ
- [FAQ](https://checkleaked.cc/faq): frequently asked questions
## OSINT tools
- [OSINT](https://checkleaked.cc/osint): username, email and phone OSINT lookups
## Deep Search
- [Deep Search](https://checkleaked.cc/deepSearch): multi-hop identity investigation (Pro)
## Bots
- [Bots](https://checkleaked.cc/bots): Discord, Telegram and Slack bots
## Developers
- [Developers](https://checkleaked.cc/developers): start here — base URL, api-key auth, a first request, every API area, the SDK, MCP client configs and integrations
- [GitHub SDK](https://github.com/eduair94/CheckLeakedCC): official Node.js / TypeScript client
- [npm package](https://www.npmjs.com/package/checkleakedcc): checkleakedcc, published to the public registry
- [MCP server](https://mcp.checkleaked.cc/mcp): Model Context Protocol endpoint for AI agents (bring your own API key)
- [Apify actor](https://apify.com/eduair94/checkleaked-cc): breach & OSINT suite as a managed Apify actor
## Integrations
- [Tracking webhooks](https://checkleaked.cc/settings#webhooks): signed HMAC-SHA256 alerts for new exposure
- [LeakRadar](https://checkleaked.cc/leakradar): advanced, raw-archive, domain and dark-web search
## Tools
- [Password strength](https://checkleaked.cc/passwordStrength)
- [Email security checker](https://checkleaked.cc/tools/email-security): SPF, DMARC and DKIM grade for any domain
- [Lookalike domain finder](https://checkleaked.cc/tools/lookalike-domains): registered typosquats of a domain and which ones handle email
- [Name lookup](https://checkleaked.cc/tools/name-lookup)
- [WhatsApp checker](https://checkleaked.cc/whatsappChecker)
- [Google checker](https://checkleaked.cc/googleChecker)
- [Chrome extension](https://checkleaked.cc/chromeExtension)
- [APK download](https://checkleaked.cc/apk)
- [WormGPT bot](https://checkleaked.cc/wormgpt)
## Legal
- [Privacy policy](https://checkleaked.cc/privacyPolicy)
- [Terms](https://checkleaked.cc/termsAndConditions)
Related sites
Other listed sites in Cybersecurity. See the whole category →
| Domain | Title | Category | Country | Authority | llms.txt | llms-full.txt | Save |
|---|---|---|---|---|---|---|---|
| cloudflare.com | Cloudflare | interface AI and machine learning Cybersecurity +1 | 85 | ✓ | ✓ | ||
| forter.com | Forter — Identity Intelligence for Digital Commerce | interface Ecommerce Cybersecurity +1 | US | 75 | ✓ | ✓ | |
| digicert.com | DigiCert | documentation Cybersecurity Authentication and identity | US | 74 | ✓ | ||
| paloaltonetworks.com | Palo Alto Networks | documentation Cybersecurity | US | 74 | ✓ | ✓ | |
| acronis.com | Acronis | transactional Cybersecurity | US | 70 | ✓ | ✓ | |
| akismet.com | Akismet | interface Cybersecurity APIs and SDKs | US | 70 | ✓ | ||
| datadoghq.com | Datadog | interface DevOps and observability Cybersecurity | 70 | ✓ | |||
| okta.com | Okta and Auth0 Platforms | documentation Authentication and identity Cybersecurity | 70 | ✓ |
Machine-readable: GET /v1/resolve?q=checkleaked.cc · GET /v1/domain/checkleaked.cc · this page as Accept: application/json or text/markdown · MCP lookup_domain
Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.
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2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://checkleaked.cc/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/checkleaked.cc/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/checkleaked.cc).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verifyCorrections or removal requests: contact the directory.