aid: vulncheck
name: VulnCheck
description: 'VulnCheck is an exploit and vulnerability intelligence company that supplies
  machine-readable data on known exploited vulnerabilities, exploit maturity, threat-actor
  activity, initial-access exploitation, IP and target intelligence, CPE/PURL identity and
  vendor advisories. Its Exploit & Vulnerability Intelligence platform enriches CVE records
  ahead of NIST NVD, publishes the VulnCheck KEV catalog, and exposes everything through a
  521-operation REST API at api.vulncheck.com/v3 covering 490+ named indices, alongside a
  Go SDK, Python SDK, a scripting/agent-oriented CLI, an MCP server and a published Claude
  Code agent skill. A free Community tier provides VulnCheck KEV and NVD++ data.'
image: https://www.vulncheck.com/logo.png
url: https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-09-04'
modified: '2026-09-04'
tags:
- Company
- Security
- Vulnerability Intelligence
- Exploit Intelligence
- Threat Intelligence
- Cybersecurity
- CVE
- Vulnerability Management
- Data
apis:
- aid: vulncheck-api
  name: VulnCheck API
  description: 'Version 3 of the VulnCheck API. A read-only REST API exposing VulnCheck''s
    exploit and vulnerability intelligence: 490+ named indices browsable at /index/{name},
    CVE and CPE search, PURL vulnerability lookup, initial-access detection rules (Suricata
    and Snort), VulnCheck C2 hostname and tag feeds, entitlements, and pre-signed offline
    backup downloads. Bearer token authentication; all 521 operations are GET.'
  humanURL: https://docs.vulncheck.com/api
  baseURL: https://api.vulncheck.com/v3
  image: https://www.vulncheck.com/logo.png
  tags:
  - Vulnerability Intelligence
  - Exploit Intelligence
  - CVE
  - Security
  properties:
  - type: OpenAPI
    url: openapi/vulncheck-api-openapi.json
  - type: Documentation
    url: https://docs.vulncheck.com/api
  - type: Authentication
    url: authentication/vulncheck-authentication.yml
  - type: RateLimits
    url: rate-limits/vulncheck-rate-limits.yml
  - type: ErrorCatalog
    url: errors/vulncheck-problem-types.yml
  - type: Conventions
    url: conventions/vulncheck-conventions.yml
  - type: DataModel
    url: data-model/vulncheck-data-model.yml
  - type: Overlay
    url: overlays/vulncheck-api-overlay.yaml
  - type: ToolCrosswalk
    url: mcp/vulncheck-tool-crosswalk.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.vulncheck.com/
- type: DeveloperPortal
  url: https://docs.vulncheck.com/
- type: Documentation
  url: https://docs.vulncheck.com/
- type: APIReference
  url: https://docs.vulncheck.com/api
- type: GettingStarted
  url: https://docs.vulncheck.com/getting-started
- type: SignUp
  url: https://console.vulncheck.com/register
- type: Login
  url: https://console.vulncheck.com/login
- type: Support
  url: https://www.vulncheck.com/contact
- type: Blog
  url: https://www.vulncheck.com/blog
- type: GitHubOrganization
  url: https://github.com/vulncheck-oss
- type: TermsOfService
  url: https://www.vulncheck.com/terms
- type: PrivacyPolicy
  url: https://www.vulncheck.com/privacy
- type: StatusPage
  url: https://status.vulncheck.com/
- type: ChangeLog
  url: https://docs.vulncheck.com/changelog
- type: Security
  url: https://www.vulncheck.com/vulnerability-disclosure-policy
- type: SecurityTxt
  url: well-known/vulncheck-security.txt
- type: WellKnown
  url: well-known/vulncheck-well-known.yml
- type: VulnerabilityDisclosure
  url: security/vulncheck-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/vulncheck-domain-security.yml
- type: Packages
  url: packages/vulncheck-packages.yml
- type: SDKs
  url: packages/vulncheck-packages.yml
- type: CLI
  url: cli/vulncheck-cli.yml
- type: MCPServer
  url: mcp/vulncheck-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/vulncheck-llms.txt
- type: Lifecycle
  url: lifecycle/vulncheck-lifecycle.yml
- type: Conformance
  url: conformance/vulncheck-conformance.yml
- type: Plans
  url: plans/vulncheck-plans-pricing.yml
- type: RateLimits
  url: rate-limits/vulncheck-rate-limits.yml
x-enrichment:
  date: '2026-09-04'
  status: enriched
  artifacts_added: 26
  pass: local-v3