Title: Kit (formerly ConvertKit) for WPForms
Author: Bill Erickson
Published: <strong>April 13, 2017</strong>
Last modified: March 31, 2026

---

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# Kit (formerly ConvertKit) for WPForms

 By [Bill Erickson](https://profiles.wordpress.org/billerickson/)

[Download](https://downloads.wordpress.org/plugin/integrate-convertkit-wpforms.1.9.1.zip)

 * [Details](https://test.wordpress.org/plugins/integrate-convertkit-wpforms/#description)
 * [Reviews](https://test.wordpress.org/plugins/integrate-convertkit-wpforms/#reviews)
 *  [Installation](https://test.wordpress.org/plugins/integrate-convertkit-wpforms/#installation)
 * [Development](https://test.wordpress.org/plugins/integrate-convertkit-wpforms/#developers)

 [Support](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/)

## Description

[Kit](https://kit.com) makes it easy to capture more leads and sell more products
by easily embedding email capture forms anywhere.

This Plugin integrates WPForms with Kit, allowing form submissions to be automatically
sent to your Kit account.

Full plugin documentation is located [here](https://cultivatewp.com/our-plugins/integrate-convertkit-wpforms/).

### Configuration

 1. Configure the plugin by navigating to WPForms > Settings > Integrations > Kit in
    the WordPress Administration Menu, entering your [API Key](https://app.convertkit.com/account_settings/advanced_settings)
 2. Configure sending WPForms Form Entries to Kit, by editing your WPForms Form, and
    navigating to Marketing > Kit within the Form.

## Screenshots

 * [[
 * WPForms Kit API Connections at WPForms > Settings > Integrations > Kit
 * [[
 * WPForms Kit Form Settings when editing a WPForms Form at Marketing > Kit

## Installation

 1. Upload the `integrate-convertkit-wpforms` folder to the `/wp-content/plugins/` 
    directory
 2. Active the Kit for WPForms plugin through the ‘Plugins’ menu in WordPress

## FAQ

### Does this plugin require a paid service?

No. You must first have an account on kit.com, but you do not have to use a paid
plan!

## Reviews

![](https://secure.gravatar.com/avatar/761e09ee435897aaf1bdb6736b63322b50771cb188b19cf919c4bb7cddda4aee?
s=60&d=retro&r=g)

### 󠀁[Easy to use and great support](https://wordpress.org/support/topic/easy-to-use-and-great-support-95/)󠁿

 [brenn8783](https://profiles.wordpress.org/brenn8783/) August 30, 2023

This plugin is super easy to use, even for newbies, and the support team is very
responsive and helpful!

![](https://secure.gravatar.com/avatar/06c7177d231fcc26b5465f269b652621dbf418b041b4ea5ddb56d3be131b12f0?
s=60&d=retro&r=g)

### 󠀁[Excellent Plugin.](https://wordpress.org/support/topic/excellent-plugin-7292/)󠁿

 [iapprentice](https://profiles.wordpress.org/iapprentice/) August 17, 2021

The plugin is easy to setup and it works great.

![](https://secure.gravatar.com/avatar/4c26187b28ff7017eb45f63ec5c6b7228911c73fa758b662a5d12d8dc4ecd95e?
s=60&d=retro&r=g)

### 󠀁[Works Flawlessly](https://wordpress.org/support/topic/works-flawlessly-133/)󠁿

 [richardbuff](https://profiles.wordpress.org/richardbuff/) December 12, 2019

I used this plugin on a fairly high-traffic publisher site and it does exactly what
it’s supposed to do without issue. Also very easy to setup.

 [ Read all 3 reviews ](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/)

## Contributors & Developers

“Kit (formerly ConvertKit) for WPForms” is open source software. The following people
have contributed to this plugin.

Contributors

 *   [ Bill Erickson ](https://profiles.wordpress.org/billerickson/)
 *   [ nathanbarry ](https://profiles.wordpress.org/nathanbarry/)
 *   [ Kit ](https://profiles.wordpress.org/convertkit/)

[Translate “Kit (formerly ConvertKit) for WPForms” into your language.](https://translate.wordpress.org/projects/wp-plugins/integrate-convertkit-wpforms)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/integrate-convertkit-wpforms/),
check out the [SVN repository](https://plugins.svn.wordpress.org/integrate-convertkit-wpforms/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/integrate-convertkit-wpforms/)
by [RSS](https://plugins.trac.wordpress.org/log/integrate-convertkit-wpforms/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

### 1.9.1 2026-03-31

 * Fix: Downgrade WordPress Libraries to 2.1.3, resolving issues in 1.9.0 and 1.9.0.1

### 1.9.0.1 2026-03-30

 * Fix: Fatal error: Cannot redeclare trait ConvertKit_API\ConvertKit_API_Traits

### 1.9.0 2026-03-30

 * Updated: Use WordPress Libraries 2.1.4

### 1.8.9 2025-12-18

 * Fix: Settings: Automatically delete invalid Access Tokens
 * Updated: Use WordPress Libraries 2.1.3

### 1.8.8 2025-12-03

 * Updated: Use WordPress Libraries 2.1.2

### 1.8.7 2025-11-20

 * Updated: Use WordPress Libraries 2.1.1

### 1.8.6 2025-09-29

 * Updated: WordPress Coding Standards for JS and CSS
 * Updated: Use WordPress Libraries 2.1.0

### 1.8.5 2025-07-31

 * Fix: Automatically refresh Access Token when expired

### 1.8.4 2025-05-15

 * Added: Form Builder: Marketing: Kit: Add New Connection: Display OAuth popup 
   if no existing connections are specified at `WPForms > Settings > Integrations`

### 1.8.3 2025-05-07

 * Updated: Require PHP 7.1 or greater
 * Updated: Use WordPress Libraries 2.0.9

### 1.8.2 2025-04-15

 * Updated: Use WordPress Libraries 2.0.8

### 1.8.1 2025-03-25

 * Fix: Remove `load_plugin_textdomain` call, as it’s not needed since WordPress
   4.6
 * Fix: Issue client ID, site-specific v4 API Access and Refresh Token when upgrading
   from < 1.7.0
 * Updated: Use WordPress Libraries 2.0.7

### 1.8.0 2025-03-06

 * Fix: Save Creator Network settings when editing a WPForms Form in WPForms Lite
   1.9.4.0+

### 1.7.9 2025-01-23

 * Added: Populate the referrer property when a WPForms Form is configured to subscribe
   an email address to a Kit Form
 * Updated: ConvertKit WordPress Libraries to 2.0.6

### 1.7.8 2024-11-13

 * Added: OAuth: Issue site-specific Access and Refresh Token when using the same
   Kit account on multiple WordPress sites
 * Added: Settings: Integrations: Add `Reconnect` option
 * Added: Use Kit Account ID as Provider Key, to retain settings when reconnecting
   via OAuth
 * Updated: ConvertKit WordPress Libraries to 2.0.5

### 1.7.7 2024-10-08

 * Fix: Kit branding tweaks and secondary button colors

### 1.7.6 2024-10-01

 * Updated: Changed branding to Kit
 * Updated: Kit WordPress Libraries to 2.0.4

### 1.7.5 2024-09-27

 * Updated: ConvertKit WordPress Libraries to 2.0.3

### 1.7.4 2024-09-13

 * Updated: ConvertKit WordPress Libraries to 2.0.2
 * Fix: Don’t automatically refresh tokens on non-production sites

### 1.7.3 2024-08-15

 * Fix: Set subscriber to `inactive` when a ConvertKit Form is specified, honoring
   the Form’s opt in setting.

### 1.7.2 2024-08-05

 * Added: Option to just subscribe email, or subscribe to a Form, Tag or Sequence

### 1.7.1 2024-07-18

 * Updated: ConvertKit WordPress Libraries to 2.0.1

### 1.7.0 2024-07-08

 * Added: Use ConvertKit v4 API and OAuth
 * Updated: ConvertKit WordPress Libraries to 2.0.0

### 1.6.3 2024-03-08

 * Updated: ConvertKit WordPress Libraries to 1.4.2

### 1.6.2 2024-01-16

 * Updated: ConvertKit WordPress Libraries to 1.4.1

### 1.6.1 2023-11-09

 * Updated: ConvertKit WordPress Libraries to 1.4.0

### 1.6.0 2023-10-05

 * Updated: ConvertKit WordPress Libraries to 1.3.9

### 1.5.9 2023-08-31

 * Updated: WordPress Coding Standards
 * Updated: ConvertKit WordPress Libraries to 1.3.8

### 1.5.8 2023-07-24

 * Added: Enable Creator Network Recommendations modal on individual Forms at Edit
   Form > Settings > ConvertKit

### 1.5.7 2023-07-17

 * Updated: ConvertKit WordPress Libraries to 1.3.7

### 1.5.6 2023-06-13

 * Updated: ConvertKit WordPress Libraries to 1.3.6

### 1.5.5 2023-04-06

 * Updated: ConvertKit WordPress Libraries to 1.3.4

### 1.5.4 2023-03-30

 * Added: Tags: Support for multiple tags when tagging a subscriber
 * Added: Tags: Support for values as tag names when tagging a subscriber

### 1.5.3 2023-02-23

 * Updated: ConvertKit WordPress Libraries to 1.3.3

### 1.5.2 2023-02-14

 * Updated: ConvertKit WordPress Libraries to 1.3.2

### 1.5.1.1 2023-02-02

 * Fix: WPForms Form > Marketing > ConvertKit: ConvertKit Form: Display Forms in
   alphabetical order
 * Fix: WPForms Form > Marketing > ConvertKit: List Fields: Display Custom Fields
   in alphabetical order

### 1.5.0 2023-01-16

 * Added: Register ConvertKit as an Integration. API Keys are now defined at WPForms
   > Settings > Integrations > ConvertKit. Any WPForms Forms from 1.4.2 and earlier
   will automatically have their ConvertKit API credentials migrated
 * Added: Select ConvertKit Form to send entries to from dropdown when editing a
   WPForms Form at Marketing > ConvertKit, instead of needing to specify a ConvertKit
   Form ID
 * Added: Optionally map a Form Field to be used as the value for tagging a subscriber
   when editing a WPForms Form at Marketing > ConvertKit. Any WPForms Forms using
   the `ck-tag` class are still honored.
 * Added: Optionally map Form Fields to be used as a subscriber’s Custom Fields 
   when editing a WPForms Form at Marketing > ConvertKit. Any WPForms Forms using
   the `ck-custom-{name}` class are still honored.
 * Added: Improved logging at WPForms > Tools > Logs

#### 1.4.2

 * Fix: Include name when subscribing to ConvertKit, when the Name field is mapped
   to the first WPForms Form Field with an ID of zero
 * Fix: Include tags when subscribing to ConvertKit
 * Fix: Sign up link

#### 1.4.0

 * Added support for WPForms Log (Tools > Logs > select provider)

#### 1.3.0

 * Added method for defining custom fields and tags in your form, [more information](https://www.billerickson.net/setup-convertkit-wordpress-form/#custom-fields-and-tags)

#### 1.2.0

 * Added filter for passing custom fields to ConvertKit, [see example](https://www.billerickson.net/code/integrate-convertkit-wpforms-custom-fields/)
 * First name is no longer a required field

#### 1.1.0

 * Added filter to conditionally limit ConvertKit integration, [see example](https://www.billerickson.net/code/integrate-convertkit-wpforms-conditional-processing/)

#### 1.0.3

 * Remove ConvertKit link once API key has been provided

#### 1.0.2

 * Updated documentation

#### 1.0.1

 * Added translation file for localization

#### 1.0.0

 * Initial release

## Meta

 *  Version **1.9.1**
 *  Last updated **3 days ago**
 *  Active installations **1,000+**
 *  WordPress version ** 5.0 or higher **
 *  Tested up to **6.9.4**
 *  PHP version ** 7.1 or higher **
 *  Language
 * [English (US)](https://wordpress.org/plugins/integrate-convertkit-wpforms/)
 * Tags
 * [convertkit](https://test.wordpress.org/plugins/tags/convertkit/)[email](https://test.wordpress.org/plugins/tags/email/)
   [form](https://test.wordpress.org/plugins/tags/form/)[marketing](https://test.wordpress.org/plugins/tags/marketing/)
   [WPForms](https://test.wordpress.org/plugins/tags/wpforms/)
 *  [Advanced View](https://test.wordpress.org/plugins/integrate-convertkit-wpforms/advanced/)

## Ratings

 5 out of 5 stars.

 *  [  3 5-star reviews     ](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/?filter=5)
 *  [  0 4-star reviews     ](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/?filter=4)
 *  [  0 3-star reviews     ](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/?filter=3)
 *  [  0 2-star reviews     ](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/?filter=2)
 *  [  0 1-star reviews     ](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/?filter=1)

[Add my review](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/reviews/)

## Contributors

 *   [ Bill Erickson ](https://profiles.wordpress.org/billerickson/)
 *   [ nathanbarry ](https://profiles.wordpress.org/nathanbarry/)
 *   [ Kit ](https://profiles.wordpress.org/convertkit/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/integrate-convertkit-wpforms/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](https://kit.com)