Startup profile · funding coverage
Arcjet
Developer-first application security platform (bot protection, rate limiting).
Stage
series a
Status
private
Coverage
full
Why Arcjet is interesting
Native security for Next.js/Node/Bun — Zane Lackey (ex-Signal Sciences) led a16z seed.
Key facts
- Seed (2024): $3.6M led by a16z (company blog)
- Series A (2025): $8.3M led by Plural with a16z participation (company blog)
- Co-investors: no additional institutional investors in VCT directory disclosed in public sources reviewed 2026-07-24
Investors in our directory
Funds linked from Arcjet's profile — open a fund page for stage focus and related deal articles.
Industries
Enterprise SaaS Cybersecurity
Industry hub pages are rolling out from our fund-derived baseline taxonomy.
Related funding articles
Venture Capital Tracker pieces that cover Arcjet's financing or category context.
Last updated: 2026-07-24