Integration
Connect MailerLite to Shift4
When something happens in MailerLite, your agent does the next thing in Shift4. Describe it 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 MailerLite and Shift4 to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny 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 MailerLite can start in Shift4
When Subscriber Added to Group in MailerLite
then Add card 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 MailerLite and Shift4
Triggers and actions 10 triggers · 30 actions
- Campaign Sent
Triggers when a campaign has been sent out.
- Spam Complaint
Triggers when a subscriber issues a spam complaint about an email.
- Subscriber Added to Group
Triggers when a subscriber is added to a group.
- Subscriber Bounced
Triggers when an email to a subscriber bounces.
- Subscriber Completed Automation
Triggers when a subscriber completed a selected workflow.
- Subscriber Created
Triggers when a subscriber was created on your mailing list.
- Subscriber Fields Updated
Triggers when the subscriber fields have been updated.
- Subscriber Removed From Group
Triggers when a subscriber has been removed from a group.
- Subscriber Triggered Automation
Triggers when a subscriber triggers a selected workflow.
- Subscriber Unsubscribed
Triggers when a subscriber has unsubscribed from your mailing list.
- Add Subscriber to a Group
Add existing subscriber to a specific group by email address.
- Change Subscriber Email
Change subscriber email to another.
- Create a Draft Campaign
Create a Draft Campaign
- Create or Update Subscriber
Create a new subscriber or Update an existing subscriber based on their email.
- Create Subscribers Group
Create a new subscribers group.
- Find a Group
Search for a group by name
- Find a Subscriber
Search for a subscriber by email or name
- Remove Subscriber From a Group
Remove subscriber from a specific group by email address.
- Unsubscribe Subscriber
Sets the contact's status to "Unsubscribed".
- Add card
Saves a credit or debit card to an existing Shift4 customer, either from a card token / successful charge, or from full card details.
- Add charge
Creates a new charge to a customer or card.
- Add customer
Creates a new customer in Shift4, optionally saving a card to them as their default card.
- Add plan
Creates a new subscription plan that customers can be subscribed to.
- Add refund
Refunds an existing charge in full or in part, returning the funds to the card that was charged.
- Add subscription
Creates a subscription that bills a customer automatically according to a plan.
- Delete card
Deletes 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.
- Delete customer
Deletes an existing Shift4 customer.
- Delete plan
Deletes a plan by ID.
- Delete subscription
Cancels/deletes an existing subscription by ID.
- Get charge
Fetches a charge by ID.
- Get customer
Fetches a customer by ID.
- Get dispute
Fetches a dispute by ID.
- Get plan
Fetches a plan by ID.
- Get refund
Retrieves an existing Shift4 refund by its id.
- Get subscription
Fetches a subscription by ID.
- List cards
Lists the saved cards of a Shift4 customer, most recently created first.
- List refunds
Returns all refunds.
- Update charge
Updates an existing Shift4 charge's customer, description, shipping, billing, fraud status or metadata. Fields left blank are unchanged.
- Update customer
Updates an existing Shift4 customer. Any field left blank is left unchanged.
- Update subscription
Updates 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 MailerLite
MailerLite to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
MailerLite to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
MailerLite to Google DriveGoogle Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...
MailerLite to MailchimpMailchimp marketing automation and email platform.
MailerLite to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
MailerLite to QuickBooks OnlineQuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...
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.
Google Sheets to Shift4Google Sheets
Gmail to Shift4Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Questions
MailerLite and Shift4, answered
What can start an automation from MailerLite?
Any of MailerLite's 10 triggers in the catalog, including Subscriber Added to Group, Subscriber Completed Automation, Subscriber Created and Subscriber Fields Updated. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Shift4 when something happens in MailerLite?
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 MailerLite?
Shift4 has no triggers in the catalog today, so automations start in MailerLite. 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 MailerLite 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.
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.