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Kit + Supercast

Use the Supercast app to sync paid members into Kit, track charges as purchases, embed podcast episode previews in emails, and trigger Visual Automations when someone starts or ends a membership.

With the Kit + Supercast app, you can leverage your memberships in four powerful ways:

  1. Sync Supercast members as subscribers in Kit

  2. Track Supercast charges inside Kit to segment paid members and personalize follow-ups

  3. Trigger automated workflows when someone starts a subscription or when a membership ends

  4. Insert Supercast episode preview blocks into your emails to drive readers toward your membership

Getting started with Supercast

To use the Kit Supercast app, you need to:

  1. Have an active Supercast account

  2. Have a paid Kit account

How to install the Supercast app

  1. Log in to your Kit account

  2. Click Apps in the navigation

  3. Find the Supercast app and click Install

  4. Sign in with Supercast and approve the requested permissions

  5. You’ll be taken to the Supercast App settings flow

How to use the Supercast app

App settings

After authenticating with Supercast, you’ll land in the App settings flow. This is where you’ll choose which Supercast podcast channel to connect, configure your sync preferences, review custom field mapping, and confirm the default Tag that will be applied to synced subscribers.

Podcast channel

First, confirm that the Supercast podcast channel you want to sync with Kit is listed at the top of the App Settings page. Each API call is scoped to this channel.

NOTE: You can connect only one Supercast channel per installation or connection.

Click Save and continue to proceed.

Sync preferences

The sync preferences section lets you control what data syncs between Supercast and Kit. After installing the Supercast app, you can return to App settings to edit these preferences anytime.

Subscribers

Sync subscribers between Supercast and Kit. New Supercast subscribers will appear as Kit subscribers, and new Kit subscribers will be created in Supercast.

Charges

Sync Supercast charges into Kit as purchases. This lets you track membership revenue in Kit and use purchase data for segmentation and automations.

NOTE: Enabling charges performs a full import of charges each run because Supercast does not expose an incremental filter. We recommend keeping this off unless you specifically need purchase data in Kit.

Historical data

Optionally import your existing Supercast data into Kit when you install the app, based on the sync options selected above. If you don’t enable this option, only data created after installation will be synced.

NOTE: Consider pausing relevant automations before importing historical data. Imported subscribers can trigger new subscriber automations and rules.

Custom field mapping

Supercast supports basic custom field mapping so core subscriber information can sync into Kit fields.

The default mapping includes:

  • First name & Last name → First Name

  • Email → Email address

Tags

The Tags section shows which Tags will be applied to subscribers synced from Supercast.

Mandatory Tag created by Kit:

  • Supercast: Applied to every subscriber synced from Supercast

Supercast charge data in Kit

If you’ve enabled charge syncing in the App settings, Supercast charges will appear in the Purchases tab of the subscriber’s profile in Kit.

You can use this charge data, along with Tags and custom fields, for segmentation and automation conditions in your Broadcasts or Visual Automations.

Adding Supercast episode blocks to emails

With the Supercast app, you can insert a Supercast episode preview block that displays episode details directly in your emails. Use this block to promote a podcast episode and drive readers to join your paid membership.

NOTE: The CTA button currently links to your Supercast page, not to a specific episode.

Here’s how to insert a Supercast episode block into your emails:

  1. In the email editor, type /supercast and select the Supercast content block

  2. Select the episode: Choose which podcast episode you want to display from the dropdown in the sidebar

  3. Customize the display:

    • Title: Font, size, and color

    • Button: Background color, text color, and CTA text

    • Description: Toggle on/off. If on, edit font, size, and color

    • Block styling: Update the available design settings to match your email

  4. Preview and send: Review how your episode block looks before sending

Set up automations based on Supercast activity

Use Visual Automations to create Supercast-related automations

Once you have the Supercast app installed, you’ll be able to trigger automations based on membership activity.

The Supercast app includes two event nodes:

  • New Subscription: Triggers when someone joins a new subscription for a specific tier

  • Membership Cancelled: Triggers when a subscriber’s membership actually ends

NOTE: Membership Cancelled does not trigger when the subscriber cancels their membership. It triggers when the subscriber runs out of their paid period. For example, if someone cancels but still has 6 months left, the event won’t trigger until those 6 months are over.

For example, you can create automations for:

  • A welcome email for new members

  • Onboarding sequences for paid subscribers

  • Tier-specific follow-ups

  • Win-back or feedback flows when a membership ends

  • Segmenting subscribers by membership tier or purchase activity

New Subscription automation

This automation is perfect for creators who want to start an automation every time someone joins a specific Supercast tier.

Here’s how to set it up:

  1. Go to Automation > Visual automations in the navigation. Click the + New automation button to the right

  2. Click the Start from scratch button

  3. In the entry point modal, select Event, then choose Supercast

  4. Select New Subscription

  5. Select the Tier you want to trigger the automation

  6. Add your follow-up steps, such as sending a welcome sequence, applying a Tag, or branching based on subscriber details

Membership Cancelled automation

This automation is useful for creators who want to follow up when someone’s Supercast membership has fully ended.

Here’s how to set it up:

  1. Go to Automation > Visual automations in the navigation. Click the + New automation button to the right

  2. Click the Start from scratch button

  3. In the entry point modal, select Event, then choose Supercast

  4. Select Membership Cancelled

  5. Select the Tier you want to trigger the automation

  6. Add your follow-up steps, such as sending a feedback request, applying a churn tag, or inviting the subscriber to rejoin later

Supercast troubleshooting

I connected Supercast but don’t see any subscribers in Kit

  • Confirm you selected the correct Supercast podcast channel during setup

  • Make sure Subscribers sync is enabled in App settings

  • If you skipped historical import, only new subscribers after installation will appear

Charge data isn’t appearing

  • Make sure Charges is enabled in App settings

  • Confirm the charge completed successfully in Supercast

  • Remember that charge sync may perform a full import each run

Tags aren’t being applied correctly

  • Confirm the subscriber synced from the connected Supercast channel

  • The default Supercast Tag is Supercast

My Supercast episode block is not showing up

  • Make sure you’ve selected an episode from the dropdown in the sidebar

  • Try removing and re-adding the content block

  • Confirm the Supercast app is still connected

My Membership Cancelled automation didn’t trigger immediately after someone cancelled

  • This is expected. The event triggers when the subscriber’s paid period ends, not when they first cancel.

If you're having trouble installing or using the Supercast app, or if you wish it included functionality not currently available, we're here to help.

Just reach out to us with our in-app messenger for the quickest help, or send us a message at help@kit.com, and a member of the team will be in touch.

Frequently asked questions

Does the Supercast app cost extra?

No, the app does not cost anything extra. You can install it if you are on a paid Kit plan and have a Supercast account.

Can I connect multiple Supercast channels?

No—you can associate only one Supercast channel per installation or connection.

What happens if a subscriber already exists in Kit?

If a subscriber's email address already exists in Kit, the Supercast app will update fields and Tags on the existing subscriber instead of creating a duplicate.

Can I send people directly to a specific episode from the email content block?

Not currently. The CTA button links to your Supercast page, not to a specific episode.

When does the Membership Cancelled automation trigger?

The automation triggers when the subscriber’s paid period ends. If someone cancels today but still has time left on their membership, the automation will trigger when that remaining period runs out.

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