How to add CAPTCHA to Formidable Forms
Block bots on Formidable Forms without breaking calculations or conditional logic — Procaptcha adds a privacy-first CAPTCHA in a few clicks.
What is Formidable Forms?
Formidable Forms is a powerful WordPress plugin that allows you to create custom forms for your website with ease. It is a popular choice for businesses and bloggers who want to collect user data, generate leads, and engage with their audience. There are many features that make Formidable Forms stand out, including drag-and-drop form builder, advanced form fields, and integrations with popular email marketing services.
Why add CAPTCHA to Formidable Forms?
Like any form on the internet, Formidable Forms is susceptible to spam and abuse from bots. To protect your site and ensure that only real users are submitting your forms, it's essential to add a CAPTCHA to your Formidable Forms. In this article, we'll show you how to integrate Procaptcha with Formidable Forms to add an extra layer of security to your WordPress site.
Why Use Prosopo Procaptcha With Formidable Forms?
Prosopo is a specialist bot and agent trust platform. Every verdict traces to a rule the operator authored, on a proprietary detector with an open-source client stack. UK-incorporated, EU-processed, GDPR-native. It stops the abuse patterns WordPress form spam alone doesn't cover:
- Scraping
- Denial of inventory
- Credential stuffing
- Account takeover
- Click through rate/ad fraud
- Ticket scalping
- Black friday automation (and more general sale automation)
- Phishing attacks
- Loyalty programme automation
Prosopo also keeps visitor data out of Google's data controller chain for reCAPTCHA telemetry — the 2026 reCAPTCHA terms change reclassified Google as controller rather than processor.
How to integrate Prosopo Procaptcha with Formidable Forms
Install the Prosopo WordPress plugin
Register for a free account on Prosopo
Login to the Prosopo dashboard, and copy your site key and secret key
- Add your domain in the Prosopo dashboard, if it is not already present
- Add your site key and secret key to the Prosopo WordPress plugin settings. You can find them in Site Management in the Prosopo dashboard.
- From within any Form in Formidable Forms, select "Prosopo Procaptcha".
Once you save the form, Procaptcha will automatically be included in it. Remember to repeat the process for every Formidable Form you want to add a CAPTCHA to.
Pro Tips for using Procaptcha with Formidable Forms
Procaptcha is hidden for admins by default. To test the CAPTCHA, log out of your WordPress account or open an incognito window in your browser.
The Prosopo docs have a detailed guide on how to use the Procaptcha WordPress plugin, including information on how to hook into various CAPTCHA events.