Per-IP/hour
Sliding window rate limit. The first request from a new IP always passes; the limit kicks in on subsequent ones inside the same hour.
Feature
Cap submissions per IP per hour, total submissions per form, or block duplicates within a session.
Part of Core Forms, with every premium WordPress form feature in one plugin, one license and unlimited sites.
Three layers of rate-control: per-IP-per-hour, total submission count cap, and duplicate-blocking by session. Each is per-form and stacks cleanly with the spam-protection stack.
Sliding window rate limit. The first request from a new IP always passes; the limit kicks in on subsequent ones inside the same hour.
Stop a form after N total submissions (useful for limited-quantity giveaways, RSVP caps).
Block the same browser session from submitting twice within a configurable window.
Rate limiting & submission caps is included with your license.