--- title: "Connect Kit and Stax - APIANT.ai" description: "When \"New Form Subscriber\" fires in Kit, your agent runs \"Create Customer\" in Stax, or \"List Payment\" in Stax to \"Add Subscriber to Form\" in Kit." canonical: "https://apiant.ai/connect/kit-to-stax" --- # Connect Kit and Stax When **New Form Subscriber** fires in [Kit](https://apiant.ai/connections/kit), your agent runs **Create Customer** in [Stax](https://apiant.ai/connections/stax), or **List Payment** in Stax to **Add Subscriber to Form** in Kit. Describe the whole flow and it is built, tested on every scenario and kept running. Kit **7** triggers Kit **7** actions Stax **1** trigger Stax **17** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Kit and Stax to do together? Give your AI client this address. `https://mcp.apiant.ai` One 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.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) Example flows ## What Kit and Stax can do together ### From Kit to Stax - When **New Form Subscriber** in Kit then **Create Customer** in Stax - When **New Purchase** in Kit then **Create Scheduled Invoice** in Stax ### From Stax to Kit - When **List Payment** in Stax then **Add Subscriber to Form** in Kit - When **List Payment** in Stax then **Add Tag to Subscriber** in Kit 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 Stax ## Triggers and actions 8 triggers · 24 actions - Trigger **New Form Subscriber** Triggers when a subscription occurs on a specific form. - Trigger **New Purchase** Triggers when a new purchase is added to your account. - Trigger **New Sequence Subscriber** Triggers when a subscriber is added to a sequence. - Trigger **New Subscriber** Triggers when a new subscriber is confirmed within your account (has completed any applicable double opt-ins). - Trigger **New Unsubscribe** Triggers when a subscriber unsubscribes from your emails. - Trigger **Subscriber Added to Tag** Triggers when a specific tag is added to a subscriber. - Trigger **Tag Removed From Subscriber** Triggers when a specific tag is removed from a subscriber. - Action **Add Subscriber to Form** Subscribe someone to a specific form. - Action **Add Tag to Subscriber** Add a subscriber to a specific tag. - Action **Create or Update Subscriber** Creates 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 Subscriber** Finds an existing confirmed subscriber by email. - Action **Get Subscriber** Returns one Kit subscriber by ID, with their name, email address, state and custom field values. - Action **List Tags for Subscriber** Lists the tags on a Kit subscriber, with each tag's ID, name and the date it was applied. - Action **Remove Tag From Subscriber** Remove a specific tag from a subscriber if they have it. - Trigger **List Payment** Triggers when a new payment transaction is recorded in Stax. - Action **Capture payment** Captures funds from a pre-authorized Stax transaction, turning the pre-authorization into a completed charge. Returns the updated transaction. - Action **Create Customer** Creates a customer record on the Stax merchant account and returns the new customer. - Action **Create Item** Creates an item in the merchant's Stax catalog and returns the new catalog item. - Action **Create Scheduled Invoice** Creates a scheduled invoice that automatically generates invoices for a customer on a one-time or recurring schedule, with optional autopay. Returns the new schedule. - Action **Delete Catalog Item** Deletes a catalog item from Stax. - Action **Delete payment method** Deletes a customer's saved payment method in Stax and returns the deleted payment method. - Action **Delete Scheduled Invoice** Deletes a recurring invoice schedule so it stops generating invoices. - Action **Find Customers** Searches your Stax customers by name, email, company, phone, address or other details and returns the matching customers. - Action **Find Invoices** Returns the invoices on the Stax merchant account that match the search criteria you supply, such as keywords, customer name, company, email, price, schedule or payment method. - Action **Find Items** Searches the merchant's catalog for items matching a name, code, price or other criteria and returns the matching items. - Action **Find Payment Methods** Returns all saved payment methods (cards and bank accounts) for a Stax customer. - Action **Find Payments** Returns the payments and other transactions on the merchant account that match the search criteria, such as keywords, customer, date range, amount, type or status. - Action **Make a Payment** Charges a customer's saved payment method for the amount you specify, or places a pre-authorization to capture later. Returns the resulting transaction. - Action **Refund payment** Refunds all or part of a settled Stax payment transaction back to the customer. - Action **Update customer** Updates an existing customer's contact details, address, notes and options in Stax, and returns the updated customer. - Action **Update invoice** Updates an existing unpaid invoice's customer, amounts, line items, memos and payment options, and returns the updated invoice. Fully paid invoices cannot be edited. - Action **Void payment** Voids a payment transaction in Stax before it settles, cancelling the charge. ## Each app on its own - [ **Kit** Kit is an email marketing platform for professional bloggers.](https://apiant.ai/connections/kit) - [ **Stax** Stax makes it easy to accept payments in-person and online and provides businesses with the tools they need...](https://apiant.ai/connections/stax) Reviews ## What our customers say ## More from Kit - [ **Kit to Webflow** Webflow is a professional website builder and CMS for designing, building, and launching responsive...](https://apiant.ai/connect/kit-to-webflow) - [ **Kit to API Snap** Free utility API platform. QR codes, screenshots, PDFs, image resize, hashing, and more](https://apiant.ai/connect/kit-to-api-snap) - [ **Kit to Clay** Clay is a simple spreadsheet interface, yet powerful automation platform that allows you to build internal...](https://apiant.ai/connect/kit-to-clay) - [ **Kit to Clerk** Clerk is a user authentication and management platform that lets developers add sign-in, profiles, and...](https://apiant.ai/connect/kit-to-clerk) - [ **Kit to GDBrowser** GDBrowser is a readable HTTP wrapper over the Geometry Dash game servers.](https://apiant.ai/connect/kit-to-gdbrowser) - [ **Kit to PostLake** One API to publish, schedule, and read analytics across every major social network](https://apiant.ai/connect/kit-to-postlake) ## More into Stax - [ **HubSpot to Stax** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-stax) - [ **Salesforce to Stax** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-stax) - [ **Slack to Stax** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-stax) - [ **Google Sheets to Stax** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-stax) - [ **Gmail to Stax** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-stax) - [ **Google Calendar to Stax** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-stax) Questions ## Kit and Stax, 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 Stax when something happens in Kit? Any of Stax's 17 actions, including Create Customer, Create Item, Create Scheduled Invoice and Update customer. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Stax to Kit? Yes. When something happens in Stax, your agent can act in Kit too. This page covers both directions: Stax's triggers and Kit's actions are listed here as well. ### ### Do I have to build a connector for Kit or Stax? 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 Stax 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.