A simple, quiet way to stop spam

Zero Spam keeps unwanted submissions out without interrupting the user experience. No captchas, no required configuration: activate the plugin and it starts blocking bots with signed, time-limited tokens. Used to block spam on over 100,000 Gravity Forms sites.

  • Non-obtrusive spam protection, no captchas
  • Works instantly upon activation
  • Signed, time-limited tokens that bots can’t reuse
A layered view of the 'Prevent spam using Gravity Forms Zero Spam' toggle setting
Spam report email settings

Extra tools to stay informed and protected

Get visibility into blocked entries and layer Zero Spam alongside your existing anti-spam solutions for stronger protection.

  • Optional email summaries of recent spam activity
  • Shield Security silentCAPTCHA integration as an additional spam signal
  • Control the order your spam checks run in
  • Spam entries show the reason they were flagged
  • Compatible with Akismet, honeypot fields, WP Armor, and more



Reject unwanted emails and let AI review the edge cases

Email rejection rules let you block, flag, or log submissions that match email addresses, domains, wildcards, or regular expressions you define. Connect an AI service (OpenAI, Anthropic, or Google Gemini) in WordPress 7.0 or newer, and AI review adds a second opinion: flagging spam the token check missed and rescuing legitimate submissions blocked by mistake.

  • Import email rules in bulk and set field-specific overrides
  • AI review is off by default and opt-in per site and per form
  • No API keys stored: nothing is sent to AI unless you enable it
Per-form AI settings with instructions, skipped fields, and an hourly limit

Trusted on WordPress.org

Real numbers from the official plugin directory.

100k+

Active installs

4.3

★★★★☆

From 24 reviews

1M+

Total downloads

View on WordPress.org →

Not only does GravityKit have excellent support with fast response times, they continually add a lot of new features to their products.

See what people are saying.

GravityKit is trusted by developers, nonprofits, web agencies, entrepreneurs, and experienced WordPress users.

“Any apps that require you to create, read, update, or delete data can be built using Gravity Forms and GravityKit—you can literally throw together an MVP within a day!”
Jamie Madden

“Prior to discovering GravityKit, I had to hire developers, or build solutions that could take months. Then I would have to maintain that custom code for years. GravityKit allows me to focus on getting results today.”

Anthony Cimino

“GravityKit is absolutely an essential plugin for our business. It gives us the ability to quickly and easily deliver effective and efficient web tools to our clients to meet their unique needs.”

Eric Nutter

“GravityKit has enabled me to get creative across a variety of websites, building powerful features without the need for custom PHP or complex coding. It’s saved me significant development time.”

Philip Levine

“When we wanted to implement a certain feature, there was always a GravityKit plugin that did what we needed. It’s been a delightful experience! Instead of needing to write custom code for things we want, we are able to leverage the power of the Gravity Forms ecosystem.”

Allie Nimmons

“I really like what you’re doing with Gravity Forms stuff. Your tools have helped me build better tools and improved functionality for my clients. Big fan!”

Brian Wetjen

Simple pricing.

Infinite possibilities.

GravityKit is trusted by agencies, nonprofits, developers, and WordPress users all over the world.

Save €171.57

All Access Pass

For builders needing our full suite of functionality.
Original price €343.13 Sale price €171.57 first year

Our complete Kit of essential tools for extending and enhancing Gravity Forms—everything you need to build powerful web apps and workflows.

  • All GravityKit Add-Ons
  • All GravityView Layouts & Extensions
  • Perfect for heavy Gravity Forms users
  • Priority support via email
  • Save $713 (65%) vs. buying separately
One plugin
Free

The Gravity Forms Zero Spam add-on enables you to block spam on all Gravity Forms forms with an invisible token check, email rejection rules, optional AI review, and spam summary reports.

  • CAPTCHA-free spam protection, active on install
  • Email rejection rules by address, domain, or pattern
  • Optional AI review to catch missed spam and rescue false positives
  • Works alongside Shield Security, Akismet, and other anti-spam tools
  • Automated email summaries of spam activity

We proudly offer a 30-day money-back guarantee

We want you to be 100% happy with your purchase — or we’ll make it right.

Got questions? Ask away!

Got a question about Gravity Forms Zero Spam or any other GravityKit plugin? Our AI assistant can help you find answers instantly.

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