--- title: "Connect MailerLite Classic to 3Dsellers - APIANT.ai" description: "When \"New Group\" fires in MailerLite Classic, your agent runs \"Generate Order Invoice\" in 3Dsellers." canonical: "https://apiant.ai/connect/mailerlite-classic-to-3dsellers" --- # Connect MailerLite Classic to 3Dsellers When **New Group** fires in [MailerLite Classic](https://apiant.ai/connections/mailerlite-classic), your agent runs **Generate Order Invoice** in [3Dsellers](https://apiant.ai/connections/3dsellers). Describe the whole flow and it is built, tested on every scenario and kept running. MailerLite Classic **1** trigger MailerLite Classic **18** actions 3Dsellers **14** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want MailerLite Classic and 3Dsellers 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 MailerLite Classic can start in 3Dsellers - When **New Group** in MailerLite Classic then **Generate Order Invoice** in 3Dsellers - When **New Group** in MailerLite Classic then **Ship Order** in 3Dsellers 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 Classic and 3Dsellers ## Triggers and actions 1 trigger · 32 actions - 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. - Action **Add or Remove Listing Tags** Adds and/or removes tags on one or more listings and returns each listing with the tags it now carries. - Action **Add or Remove Product Tags** Adds tags to, or removes tags from, one or more catalog products in 3Dsellers. - Action **Create Product** Creates a catalog product in 3Dsellers and returns the new product, including its id. - Action **Create Product Category** Creates a new product category in your 3Dsellers catalog. - Action **Generate Order Invoice** Generates the 3Dsellers PDF invoice for an order (optionally a JPEG of the first page) and returns short-lived download links. - Action **Get Order Invoice** Returns fresh download links for the invoice already on file for an order, without generating a new one. The links expire after 5 minutes. - Action **Get Product** Returns one catalog product by its id, including price, inventory, images, custom attributes and tags. - Action **List Orders** Returns the orders of one 3Dsellers seller account, optionally filtered by order number, SKU, status, channel, import date, saved segment or tags. - Action **List Product Categories** Returns the product categories in your 3Dsellers catalog, optionally filtered by name. - Action **List Product Listings** Returns the channel-specific product listings in your 3Dsellers account, optionally filtered by channel, seller, SKU, product, status or tags. - Action **Set Listing Quantity** Sets the warehouse stock of a single non-variation listing, either to an absolute quantity or by a signed adjustment, and queues the marketplace update. - Action **Set Variation Quantity** Sets the warehouse (on-hand) quantity of one variation on a multi-variation listing and queues the marketplace update. - Action **Ship Order** Sends a carrier and tracking number for an order to its marketplace and marks the order shipped. The tracking reaches the buyer. - Action **Update Product** Updates an existing product in your 3Dsellers catalog. Only the fields you fill in are changed. ## Each app on its own - [ **MailerLite Classic** Use MailerLite Classic to stay connected with your customers through email marketing.](https://apiant.ai/connections/mailerlite-classic) - [ **3Dsellers** 3Dsellers is a multichannel eCommerce platform that helps sellers manage listings, inventory, orders, and...](https://apiant.ai/connections/3dsellers) Reviews ## What our customers say ## More from MailerLite Classic - [ **MailerLite Classic to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/mailerlite-classic-to-salesforce) - [ **MailerLite Classic to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/mailerlite-classic-to-slack) - [ **MailerLite Classic to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/mailerlite-classic-to-stripe) - [ **MailerLite Classic to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/mailerlite-classic-to-shopify) - [ **MailerLite Classic to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/mailerlite-classic-to-quickbooks-online) - [ **MailerLite Classic to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/mailerlite-classic-to-pipedrive) ## More into 3Dsellers - [ **HubSpot to 3Dsellers** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-3dsellers) - [ **Salesforce to 3Dsellers** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-3dsellers) - [ **Slack to 3Dsellers** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-3dsellers) - [ **Google Sheets to 3Dsellers** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-3dsellers) - [ **Gmail to 3Dsellers** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-3dsellers) - [ **Google Calendar to 3Dsellers** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-3dsellers) Questions ## MailerLite Classic and 3Dsellers, answered ### ### What can start an automation from MailerLite Classic? Any of MailerLite Classic's 1 trigger in the catalog, including New Group. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in 3Dsellers when something happens in MailerLite Classic? Any of 3Dsellers's 14 actions, including Create Product, Create Product Category, Update Product and Generate Order Invoice. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from 3Dsellers to MailerLite Classic? 3Dsellers has no triggers in the catalog today, so automations start in MailerLite Classic. If you need the other direction, ask: your agent reads 3Dsellers's API documentation and adds it. ### ### Do I have to build a connector for MailerLite Classic or 3Dsellers? 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 MailerLite Classic and 3Dsellers 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.