Email marketing

ConvertKit in Core Forms

Subscribe contacts to a Kit form and assign tags.

Bundled with Core Forms, the WordPress forms plugin with every premium feature in the box. No add-on tax.

Bundled, no add-on tax Unlimited sites Use code CFLAUNCH for 20% off either plan. Ends September 30, 2026 (IST).

Core Forms subscribes the selected email and name fields to a Kit (ConvertKit) form, then applies the configured tags. Failed steps are recorded so retries can resume without repeating completed subscriptions.

What you get

How ConvertKit works in Core Forms

Form subscription

Enter a Kit form ID to subscribe contacts.

Tag assignment

Apply one or more numeric tag IDs after the form subscription succeeds.

Email and name mapping

Select the email and name fields from your form. Sequence enrollment and arbitrary custom fields are not included.

Set it up

Connect ConvertKit in 3 minutes

1

Get your API key

Create an API key in your Kit account.
2

Configure the action

Add the ConvertKit action and enter the key and form ID.
3

Select fields and tags

Choose the email and name fields, then enter any tag IDs.

Pairs well with

Related integrations

Mailchimp

Subscribe form users to any Mailchimp audience with field mapping and double opt-in.

MailerLite

Add or update MailerLite subscribers with name and group membership.

ActiveCampaign

Sync contacts, subscribe them to a list, and assign tags.

Browse all integrations →

Bundled with every Core Forms license.

ConvertKit and every Core Forms-built integration on this site are included with your license. Use code CFLAUNCH for 20% off either plan. Ends September 30, 2026 (IST).

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