--- title: "Connect CalendarLink and MailerLite Classic - APIANT.ai" description: "When \"New Upcoming Event\" fires in CalendarLink, your agent runs \"Add Subscriber to Group\" in MailerLite Classic." canonical: "https://apiant.ai/connect/calendarlink-to-mailerlite-classic" --- # Connect CalendarLink and MailerLite Classic When **New Upcoming Event** fires in [CalendarLink](https://apiant.ai/connections/calendarlink), your agent runs **Add Subscriber to Group** in [MailerLite Classic](https://apiant.ai/connections/mailerlite-classic), or **New Group** in MailerLite Classic to **List Contacts** in CalendarLink. Describe the whole flow and it is built, tested on every scenario and kept running. CalendarLink **1** trigger CalendarLink **8** actions MailerLite Classic **1** trigger MailerLite Classic **18** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want CalendarLink and MailerLite Classic 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 CalendarLink and MailerLite Classic can do together ### From CalendarLink to MailerLite Classic - When **New Upcoming Event** in CalendarLink then **Add Subscriber to Group** in MailerLite Classic - When **New Upcoming Event** in CalendarLink then **Create Campaign** in MailerLite Classic ### From MailerLite Classic to CalendarLink - When **New Group** in MailerLite Classic then **List Contacts** in CalendarLink - When **New Group** in MailerLite Classic then **Create New Event** in CalendarLink 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 CalendarLink and MailerLite Classic ## Triggers and actions 2 triggers · 26 actions - Trigger **New Upcoming Event** Triggered when a new upcoming event is added to your CalendarLink organisation. - Action **Create New Event** Creates an event in a CalendarLink collection and returns its add-to-calendar link. Times use the format 2026-09-01 09:00:00. Optionally turns on RSVP with a deadline, attendee limit and notification settings. - Action **Find Event** Searches your CalendarLink events for one whose title contains the text you give, and returns the first match with its add-to-calendar link, times and RSVP counts. - Action **List Contacts** Returns a page of the contacts in your CalendarLink organisation, 15 per page, along with how many pages there are. - Action **List Event Collections** Returns every event collection in your CalendarLink organisation, with each collection's ID, name, description, public link and event count. - Action **List Event Registrations** Returns a page of the people who signed up for one CalendarLink event, 15 per page. The event must have RSVP turned on. - Action **List Past Events** Returns a page of your CalendarLink events that have already finished, 15 per page, newest first. - Action **List Upcoming Events** Returns a page of your CalendarLink events that have not happened yet, 15 per page. - Action **Update Event Collection** Changes the settings of one CalendarLink event collection — its name, description, appearance, what visitors can add and whether sign-up is required. Only the fields you fill in are changed; the rest keep their current values. - Trigger **New Group** Triggered when a new subscriber group is created in MailerLite. - Action **Add Subscriber to Group** Adds a subscriber to a MailerLite group, creating the subscriber if they do not exist yet. - Action **Create Campaign** Creates a new regular or A/B email campaign addressed to the chosen groups or segments. Its HTML content is added afterwards. - Action **Create Group** Creates a new subscriber group in the MailerLite account and returns the created group. - Action **Delete Campaign** Deletes a campaign from the MailerLite account. A scheduled campaign cannot be deleted until it has been cancelled. - Action **Delete Group** Deletes a subscriber group from the MailerLite account. - Action **Find Group by Name** Returns the subscriber groups that match the specified group name. - Action **Get Group** Returns one subscriber group by its id, including its name, subscriber counts, email activity totals and dates. - Action **List Campaigns** Returns the campaigns in your MailerLite account with the chosen status, with a basic summary and open and click stats for each campaign. - Action **List Groups** Returns the subscriber groups in the MailerLite account, with each group's subscriber counts, email stats and created and updated dates. - Action **List Segments** Returns the segments stored in your MailerLite account, with each segment's title, rules, subscriber count and email engagement totals. - Action **List Subscriber Groups** Returns the groups a subscriber belongs to, with each group's subscriber counts and sent, opened and clicked totals. - Action **List Subscribers** Returns the subscribers in the MailerLite account, optionally limited to one status such as active or unsubscribed. - Action **Remove Subscriber From a Group** Removes a subscriber from a group, identified by the subscriber's id or email address. The subscriber stays in the account and in any other groups. - Action **Search Subscribers** Returns the subscribers in your MailerLite account that match a search term, such as an email address or name. - Action **Send Campaign** Sends a draft campaign immediately or schedules it for a later time, and returns the campaign with its status and emails. - Action **Set Campaign Content** Sets the HTML and plain-text content of a draft campaign, replacing what the campaign's email contains. - Action **Unsubscribe Subscriber** Marks a subscriber as unsubscribed across the MailerLite account and returns the updated subscriber. Their name and fields can be updated in the same step. - Action **Update Group** Renames an existing subscriber group and returns the updated group with its subscriber and email counts. ## Each app on its own - [ **CalendarLink** CalendarLink creates add-to-calendar links to any calendar service and make sure your users don't forget...](https://apiant.ai/connections/calendarlink) - [ **MailerLite Classic** Use MailerLite Classic to stay connected with your customers through email marketing.](https://apiant.ai/connections/mailerlite-classic) Reviews ## What our customers say ## More from CalendarLink - [ **CalendarLink to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/calendarlink-to-stripe) - [ **CalendarLink to PandaDoc** PandaDoc helps you build and deliver sales quotes and proposals and track presentations and close deals...](https://apiant.ai/connect/calendarlink-to-pandadoc) - [ **CalendarLink to Honeyhive** Observability and evaluation platform for tracing, testing, and monitoring AI agents in production.](https://apiant.ai/connect/calendarlink-to-honeyhive) - [ **CalendarLink to keycdn IP Location Finder** Get the IP geolocation data through the simple REST API. All the responses are JSON encoded](https://apiant.ai/connect/calendarlink-to-keycdn-ip-location-finder) - [ **CalendarLink to Kiwili** ERP & online account management software for your small business](https://apiant.ai/connect/calendarlink-to-kiwili) - [ **CalendarLink to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/calendarlink-to-hubspot) ## More into MailerLite Classic - [ **HubSpot to MailerLite Classic** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailerlite-classic) - [ **Google Sheets to MailerLite Classic** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-mailerlite-classic) - [ **Gmail to MailerLite Classic** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailerlite-classic) - [ **Google Calendar to MailerLite Classic** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailerlite-classic) - [ **Google Drive to MailerLite Classic** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailerlite-classic) - [ **Mailchimp to MailerLite Classic** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-mailerlite-classic) Questions ## CalendarLink and MailerLite Classic, answered ### ### What can start an automation from CalendarLink? Any of CalendarLink's 1 trigger in the catalog, including New Upcoming Event. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in MailerLite Classic when something happens in CalendarLink? Any of MailerLite Classic's 18 actions, including Create Campaign, Create Group, Send Campaign and Update Group. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from MailerLite Classic to CalendarLink? Yes. When something happens in MailerLite Classic, your agent can act in CalendarLink too. This page covers both directions: MailerLite Classic's triggers and CalendarLink's actions are listed here as well. ### ### Do I have to build a connector for CalendarLink or MailerLite Classic? 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 CalendarLink and MailerLite Classic 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.