Geek Goddess

NOTICE: This plugin will no longer be supported nor updated. Infusionsoft has now added Google’s reCaptcha into their forms natively, so this plugin is no longer needed.
Infusionsoft® has a native captcha you can insert into web forms, but it’s not user-friendly, blocks submissions, and is ugly. With the new reCAPTCHA API, Google has released a captcha that the bulk of your users will only have to check a box to pass, optimizing opt-ins while protecting you from inserting spam into your Infusionsoft automation.
As a bonus, activating this plugin in an Infusionsoft web form will also set up basic HTML5 form validation for it.
Requires PHP 5.2+ for json support

GG Infucaptcha reCaptcha for Infusionsoft

Inserts Google’s new reCAPTCHA into Infusionsoft web forms

Ryan Nevius

An add-on for Contact Form 7 (CF7) that provides a straightforward method to capture leads, tag customers, and send contact form data to InfusionSoft. Supports HTML5 input types.
NOTE: This plugin requires Contact Form 7 version 3.9 or later.
This plugin is not offered, sponsored, associated with or endorsed by Infusion Software, Inc.

Contact Form 7 – InfusionSoft Add-on

thank you

Plugin has really clean and easy to follow code, with helpful comments. It doesn't have certain referral tracking fields we needed to send to InfusionSoft, but adding them was incredibly easy because of how well written this plugin is.

Very Clean Code

An add-on for Contact Form 7 that provides a way to capture leads, tag customers, and send contact form data to InfusionSoft.

GG Infucaptcha reCaptcha for Infusionsoft vs Contact Form 7 – InfusionSoft Add-on