# VulnCheck API

**Canonical:** https://apis.io/apis/vulncheck/vulncheck-api/  
**Provider:** VulnCheck — https://apis.io/providers/vulncheck/  
**Base URL:** https://api.vulncheck.com/v3  
**Documentation:** https://docs.vulncheck.com/api

VulnCheck API is published by [VulnCheck](https://apis.io/providers/vulncheck/) on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Vulnerability Intelligence, Exploit Intelligence, CVE, and Security. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and rate-limit docs.

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.

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/openapi/vulncheck-api-openapi.json
- **Documentation** — https://docs.vulncheck.com/api
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/authentication/vulncheck-authentication.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/rate-limits/vulncheck-rate-limits.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/errors/vulncheck-problem-types.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/conventions/vulncheck-conventions.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/data-model/vulncheck-data-model.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/overlays/vulncheck-api-overlay.yaml
- **ToolCrosswalk** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/mcp/vulncheck-tool-crosswalk.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/vulncheck/refs/heads/main/apis.yml

## Tags

Vulnerability Intelligence, Exploit Intelligence, CVE, Security

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/vulncheck/vulncheck-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/vulncheck/.