Getting Started

Precursor Intelligence API

Real-time CVE and CPE threat intelligence. Authenticate with a single bearer token, pay per call in credits, and get the same vulnerability data that powers the Precursor Intelligence platform.

Quickstart

Make your first authenticated request to the CVE endpoint in under five minutes.

Authentication

Generate an API key from Settings → API Keys and learn the bearer token format.

Credits & Billing

One credit per successful call, atomic deduction, and where to view your balance.

MCP Server

Connect AI agents to 41 threat-intelligence tools via the Precursor Intelligence MCP server.

What's available

The REST API exposes four GET endpoints served from https://api.precursorintelligence.com/functions/v1/.

GET /cve/{cve-id}endpointrequired

Fetch enriched data for a single CVE: descriptions, CVSS scores, EPSS, affected CPEs, references, CISA KEV status, Shadowserver honeypot activity, and Precursor Intelligence risk scoring.

GET /cpe/{vendor}endpointrequired

List products and known vulnerabilities for a single vendor.

GET /cpe/{vendor}/{product}endpointrequired

Vendor and product detail, including vulnerability counts across all tracked versions.

GET /cpe/{vendor}/{product}/{version}endpointrequired

Version-pinned data including the exact CVEs affecting that release (up to 200 records).

Built for production

Security model

Optional IP allowlists per key, HSTS-enforced transport, and atomic credit deduction.

Error reference

Every status code we return and how to recover from it.

Dashboard

View usage, manage keys, and top up credits on precursorintelligence.com.

Have a question?

Email us at info@precursorintelligence.com or open a chat from the Precursor Intelligence dashboard.