@fastify/rate-limit vs Imperva API Security: side-by-side comparison (2026)

@fastify/rate-limit: A low overhead rate limiter for your routes.

Imperva API Security: Unified API security platform for discovery, risk assessment, and mitigation, built by Imperva.

The table above shows where their features, integrations, deployment and company size fit differ.

@fastify/rate-limit is open-source with 588 GitHub stars. Imperva API Security is made by Imperva. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. @fastify/rate-limit and Imperva API Security are both API Security products. Key differences: @fastify/rate-limit is Free while Imperva API Security is Commercial, @fastify/rate-limit is open-source. Use the table above to see where features, deployment and company size fit differ.