Integration
Connect Kit to Shift4
When New Form Subscriber fires in Kit, your agent runs Add customer in Shift4. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Kit and Shift4 to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Kit can start in Shift4
When New Form Subscriber in Kit
then Add customer in Shift4
When New Purchase in Kit
then Update customer in Shift4
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Kit and Shift4
Triggers and actions 7 triggers · 28 actions
Trigger
New Form SubscriberTriggers when a subscription occurs on a specific form.
Trigger
New PurchaseTriggers when a new purchase is added to your account.
Trigger
New Sequence SubscriberTriggers when a subscriber is added to a sequence.
Trigger
New SubscriberTriggers when a new subscriber is confirmed within your account (has completed any applicable double opt-ins).
Trigger
New UnsubscribeTriggers when a subscriber unsubscribes from your emails.
Trigger
Subscriber Added to TagTriggers when a specific tag is added to a subscriber.
Trigger
Tag Removed From SubscriberTriggers when a specific tag is removed from a subscriber.
Action
Add Subscriber to FormSubscribe someone to a specific form.
Action
Add Tag to SubscriberAdd a subscriber to a specific tag.
Action
Create or Update SubscriberCreates a Kit subscriber, or updates the first name and custom fields of an existing subscriber with the same email address. Returns the subscriber.
Action
Find SubscriberFinds an existing confirmed subscriber by email.
Action
Get SubscriberReturns one Kit subscriber by ID, with their name, email address, state and custom field values.
Action
List Tags for SubscriberLists the tags on a Kit subscriber, with each tag's ID, name and the date it was applied.
Action
Remove Tag From SubscriberRemove a specific tag from a subscriber if they have it.
Action
Add cardSaves a credit or debit card to an existing Shift4 customer, either from a card token / successful charge, or from full card details.
Action
Add chargeCreates a new charge to a customer or card.
Action
Add customerCreates a new customer in Shift4, optionally saving a card to them as their default card.
Action
Add planCreates a new subscription plan that customers can be subscribed to.
Action
Add refundRefunds an existing charge in full or in part, returning the funds to the card that was charged.
Action
Add subscriptionCreates a subscription that bills a customer automatically according to a plan.
Action
Delete cardDeletes a saved card from a Shift4 customer. If the deleted card was the customer's default, the most recently added card becomes the new default.
Action
Delete customerDeletes an existing Shift4 customer.
Action
Delete planDeletes a plan by ID.
Action
Delete subscriptionCancels/deletes an existing subscription by ID.
Action
Get chargeFetches a charge by ID.
Action
Get customerFetches a customer by ID.
Action
Get disputeFetches a dispute by ID.
Action
Get planFetches a plan by ID.
Action
Get refundRetrieves an existing Shift4 refund by its id.
Action
Get subscriptionFetches a subscription by ID.
Action
List cardsLists the saved cards of a Shift4 customer, most recently created first.
Action
List refundsReturns all refunds.
Action
Update chargeUpdates an existing Shift4 charge's customer, description, shipping, billing, fraud status or metadata. Fields left blank are unchanged.
Action
Update customerUpdates an existing Shift4 customer. Any field left blank is left unchanged.
Action
Update subscriptionUpdates an existing subscription. Any field left blank is left unchanged.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
More from Kit
Kit to WebflowWebflow is a professional website builder and CMS for designing, building, and launching responsive...
Kit to API SnapFree utility API platform. QR codes, screenshots, PDFs, image resize, hashing, and more
Kit to ClerkClerk is a user authentication and management platform that lets developers add sign-in, profiles, and...
Kit to GDBrowserGDBrowser is a readable HTTP wrapper over the Geometry Dash game servers.
Kit to PostLakeOne API to publish, schedule, and read analytics across every major social network
Kit to SynchroteamSynchroteam is a Cloud-based Field Service Management application
More into Shift4
Instagram to Shift4Instagram is a social media platform for sharing photos, videos, and stories.
HubSpot to Shift4HubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to Shift4Salesforce is a leading enterprise customer relationship management (CRM) platform.
Slack to Shift4Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Google Sheets to Shift4Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.
Gmail to Shift4Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Questions
Kit and Shift4, answered
What can start an automation from Kit?
Any of Kit's 7 triggers in the catalog, including New Form Subscriber, New Purchase, New Sequence Subscriber and New Subscriber. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Shift4 when something happens in Kit?
Any of Shift4's 21 actions, including Update charge, Update customer, Update subscription and Add card. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Shift4 to Kit?
Shift4 has no triggers in the catalog today, so automations start in Kit. If you need the other direction, ask: your agent reads Shift4's API documentation and adds it.
Do I have to build a connector for Kit or Shift4?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use Kit and Shift4 without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.