FIRST EPSS API vs OpenCVE
What buyers in this category compare on: per CVE lookup/API call, but market anchors on free public data (CISA KEV, FIRST EPSS, NVD) and seat/project SaaS; rate limits rather than quotas.
| FIRST EPSS API | OpenCVE | Kevscope API (CyberMax) | |
|---|---|---|---|
| Paid plans | none | Starter EUR 19/mo (3 projects/users, 15 subs, 1,000 API calls/hour); Pro EUR 49/mo (10 projects/users, 50 subs, 5,000/hour); Enterprise EUR 299/mo (unlimited) | yearly: 2 bonus months free | Kevscope API Pay as you go: 2,000 calls (no expiry): $5 once Kevscope API Analyst: 10,000 calls a month: $19/month Kevscope API Team: 50,000 calls a month: $49/month Kevscope API SOC: 150,000 calls a month: $99/month |
| Free | public BETA API; cve parameter up to 2000 characters (multi-CVE); no pricing listed | EUR 0: 1 project, 1 user, 1 automation, 5 subscriptions, 100 API calls/hour | free 200/day |
| Source | api.first.org, 2026-09-27 | www.opencve.io, 2026-09-27 | CyberMax store, live |
Reading the table
- FIRST EPSS API free tier: public BETA API; cve parameter up to 2000 characters (multi-CVE); no pricing listed. OpenCVE free tier: EUR 0: 1 project, 1 user, 1 automation, 5 subscriptions, 100 API calls/hour.
- Convert each plan to the unit you use before comparing; plan names and quotas are not equivalent across vendors.
- Both pages were read on the dates above; vendors change prices, so open the source links before you decide.
Get Kevscope API Analyst: 10,000 calls a month: $19/monthTry itAll plans
More: FIRST EPSS API alternatives · OpenCVE alternatives · All Kevscope API comparisons
Cite this page: CyberMax, "FIRST EPSS API vs OpenCVE (and Kevscope API): pricing compared (2026-09-27)", https://cybermaxtools.com/compare/rivals/first-epss-api-vs-opencve/ (prices checked 2026-09-27). Each rival price is quoted from the source linked next to it, on the date shown.
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