Imperva WAF Pricing 2026: Plans, Costs & Free Options

Last Updated: May 2026

Cloud WAF with AI-powered threat detection runtime application self-protection and DDoS mitigation. This page breaks down Imperva WAF's Enterprise pricing model, what it includes, and how it compares to free alternatives in the WAF & Bot Protection category.

Pricing Overview

Pricing Model

Enterprise

This means pricing is custom and quoted per organization. Expect to contact sales, sign an annual contract, and negotiate based on seats, scope, and SLA requirements.

Is Imperva WAF Free?

No. Imperva WAF requires a paid subscription. There is no free tier available, though some plans may offer a free trial.

Is Imperva WAF Worth It?

Imperva WAF is rated 4.4/5 in our WAF & Bot Protection directory and uses a Enterprise pricing model, so it is best suited for teams with budget allocated to commercial security tooling. The paid plans typically include vendor support, regular updates, and integrations that free alternatives lack. For WAF & Bot Protection workflows where reliability and SLAs matter, Imperva WAF is worth the investment, particularly for organizations that cannot dedicate engineers to self-hosting open-source equivalents. Always request a demo and compare it against the free alternatives below before committing.

Cheaper Alternatives

If Imperva WAF's pricing is out of budget, these WAF & Bot Protection tools offer free or freemium options:

Frequently Asked Questions

How much does Imperva WAF cost?

Imperva WAF uses a Enterprise pricing model. This means pricing is custom and quoted per organization. Expect to contact sales, sign an annual contract, and negotiate based on seats, scope, and SLA requirements. For exact current pricing, visit the Imperva WAF website directly — vendors update tiers and quotas regularly.

Is there a free version of Imperva WAF?

No. Imperva WAF requires a paid subscription. There is no free tier available, though some plans may offer a free trial.

What are cheaper alternatives to Imperva WAF?

In the WAF & Bot Protection category, the most popular free or freemium alternatives are Cloudflare WAF. Each offers a comparable feature set at lower or zero cost — see our /alternatives page for full breakdowns.