OptinMonster Documentation

Documentation, Reference Materials, and Tutorials for OptinMonster

Home

Docs

How to Connect OptinMonster with Kit (formerly ConvertKit)

How to Connect OptinMonster with Kit (formerly ConvertKit)

OptinMonster offers seamless integration with Kit (formerly ConvertKit) email marketing service. Connecting OptinMonster to your Kit email list is very easy.

In this article, you’ll learn how to connect Kit with OptinMonster.

Before you start, this integration is available with a Plus and higher subscription.
All subscription plans can add custom forms using the Form Embed block.

As a best practice, we recommend you also connect your campaigns to Monster Leads as a backup.

Connect Kit

When you create a campaign in OptinMonster that you intend to collect leads with, you’ll want to integrate with one or more services to send those leads to.

To send leads to Kit, follow these steps:

  1. Before you start, you’ll need a Kit API Key. You can generate and copy an API Key from your Kit account following these steps:
  2. Returning to OptinMonster, navigate to the Integrations view in the campaign builder, search for and select Kit (formerly ConvertKit).
    Search for and select Kit as your integration to get started.
  3. Enter a Kit (formerly ConvertKit) Account Name (*internal use only) and your Kit (formerly ConvertKit) API Key in the appropriate fields, then select the Connect to Kit (formerly ConvertKit) button.
    Give your integration a unique name (internal use only), enter the Kit API Key, and select Connect to Kit.
    *The Kit (formerly ConvertKit) Account Name can be anything that helps you identify the specific integration within OptinMonster. It’s possible to add more than one Kit integration to your account and this is an easy way to differentiate between them when assigning integrations to individual campaigns.
  4. Required: Once the Kit integration has been connected select the Kit Form you wish to send leads to from the Provider Forms field.
    Select the List in Kit you want to add leads to.
    Important: The Provider Form you select must also be published within your Kit account!
  5. Optional: You can also configure Subscriber Sequences and specify Subscriber Tags to assign to leads.
    Configure any additional Kit options for your OptinMonster integration.
    *Only Sequences and Tags that you’ve already created through your Kit account will be available to choose from. If you don’t see any tags available be sure to log into Kit and create the desired Sequences or Tags for the Provider Form you’ve selected in Step 4 above.
  6. When you are finished, Save your campaign.

Add Extra Fields

Field Mapping

This integration supports Field Mapping, so you can easily add radio buttons, phone fields, text areas, number fields, lists, and more!

Before you begin using Field Mapping with Kit, please consider the following:

  • Custom fields must be manually created in your Kit account before they can be mapped to in OptinMonster.
  • The following custom fields are reserved in Kit and cannot be mapped to:
  • Custom field IDs should only contain lowercase ASCII characters and underscores.
  • Custom field keys must be unique to your account.
  • Custom field data is stored as plain text in Kit.
  • You can manage your custom fields in Kit following this guide.

Form Embed Block

Alternatively, you can add any Kit webform to your campaign using our Form Embed block.

Email Automations

To send emails automatically to new leads you’ll want to configure email automations within your Kit account.

The following guides from Kit may be helpful to get started:

Testing

We strongly recommend you test the optin form before publishing your campaign to ensure it is working as you expect.

Before you begin, please be aware of the following details when testing Kit integrations:

  • Previously submitted or already subscribed leads may be treated differently by Kit than new leads. For this reason, we recommend using a completely unique email address each time you test submit your campaign’s form. You can use a free tool like TempMail.io or learn how to create unlimited unique email addresses from a single Gmail account.
  • If the lead is captured in Kit but you do not receive any automated emails it indicates the integration from OptinMonster to Kit is correct, and the issue is with the automated email configuration. Kit controls email automation exclusively. If you require assistance in troubleshooting email automations we recommend reaching out to Kit support directly.

Get started testing with the Live Site Inspector tool explained in our guide on how to test an OptinMonster campaign.

Spin-a-Wheel Support

If you are configuring a Gamified spin-to-win campaign, spin-a-wheel support is not available at this time to send the coupon data to Kit.

FAQs

Can I send leads to more than one List?

Yes! See our Lead Sharing guide to accomplish this.

How do I configure single or double opt-in?

See our guide on single vs. double opt-in.

Is it possible for me to add a phone field to my campaign?

Yes! You can add a phone field. Learn how to capture phone numbers with OptinMonster.


If you’re serious about jumpstarting your website business growth, then get started with OptinMonster today!

Get Started With OptinMonster Today!

BONUS: Done-For-You Campaign Setup ($297 value)

Our conversion experts will design 1 free campaign for you to get maximum results – absolutely FREE!

Click here to get started →

Troubleshooting

The submitted leads are not reaching Kit.

Check the following:

  1. The Provider Form set in Step 4 of the Connect Kit section above is published in Kit. If the Provider Form is not also published in Kit the submissions through OptinMonster will not be received in Kit.
  2. If using Field Mapping, be sure your custom fields are correctly mapped.

If the issue persists, please reach out to our support team for direct assistance.

The campaign is capturing leads but shows 0 conversions in analytics.

Confirm that conversion tracking is turned on for the submit button in your campaign. See our guide on How to Enable Conversion Tracking.


Still stuck?

How can we help?

Last updated on


Start Getting More
Leads & Sales Today
with OptinMonster!

Create and launch smart capture forms today in minutes. What are you waiting for?

Create and launch smart capture forms
today in minutes. What are you waiting for?

OptinMonster has transformed our business. Before integrating their optins, our clients saw a 2% conversion rate from web traffic, which is slightly above the standard for their industry. With the integration of OptinMonster’s lightbox popup, exit-intent technology, split testing, and other tools, our client’s conversion rates soared by an unprecedented 500%. They attracted substantially more customers while spending less on digital advertising. Their success propelled them to the top of their markets, outperforming national chains and other medical spas with much bigger marketing budgets. Our client’s success in their market has distinguished us in our own. We are now one of the most sought-after marketing firms in the industry of aesthetic medicine. We know that the integration of OptinMonster, more than any other tool or marketing strategy, has supported this growth and achievement.

chris zelig medstar media

Chris Zelig

Partner, Medstar Media

OptinMonster has been a game-changer for us. From driving donations to collecting new leads, there is nothing that this simple tool has failed to accomplish. Our lead collection rate has jumped by over 1,000%.

joe lowe american bird conservancy

Joe Lowe

Director of Digital Communications, American Bird Conservancy

Through OptinMonster’s exit-intent popups, we have more than doubled our sales conversion rate. Best of all is the compound effect of using OptinMonster over a long period of time—more conversions mean more customers, which means more word of mouth.

mitch smith, managing director, shockbyte

Mitch Smith

Managing Director, Shockbyte.com