--- title: "Connect MailerLite to Factur-X by InvoiceXML - APIANT.ai" description: "When \"Subscriber Added to Group\" fires in MailerLite, your agent runs \"Create Factur-X Invoice\" in Factur-X by InvoiceXML." canonical: "https://apiant.ai/connect/mailerlite-to-factur-x-by-invoicexml" --- # Connect MailerLite to Factur-X by InvoiceXML When **Subscriber Added to Group** fires in [MailerLite](https://apiant.ai/connections/mailerlite), your agent runs **Create Factur-X Invoice** in [Factur-X by InvoiceXML](https://apiant.ai/connections/factur-x-by-invoicexml). Describe the whole flow and it is built, tested on every scenario and kept running. MailerLite **10** triggers MailerLite **9** actions Factur-X by InvoiceXML **10** 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 and Factur-X by InvoiceXML 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 can start in Factur-X by InvoiceXML - When **Subscriber Added to Group** in MailerLite then **Create Factur-X Invoice** in Factur-X by InvoiceXML - When **Subscriber Completed Automation** in MailerLite then **Extract Invoice JSON** in Factur-X by InvoiceXML 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 Factur-X by InvoiceXML ## Triggers and actions 10 triggers · 19 actions - Trigger **Campaign Sent** Triggers when a campaign has been sent out. - Trigger **Spam Complaint** Triggers when a subscriber issues a spam complaint about an email. - Trigger **Subscriber Added to Group** Triggers when a subscriber is added to a group. - Trigger **Subscriber Bounced** Triggers when an email to a subscriber bounces. - Trigger **Subscriber Completed Automation** Triggers when a subscriber completed a selected workflow. - Trigger **Subscriber Created** Triggers when a subscriber was created on your mailing list. - Trigger **Subscriber Fields Updated** Triggers when the subscriber fields have been updated. - Trigger **Subscriber Removed From Group** Triggers when a subscriber has been removed from a group. - Trigger **Subscriber Triggered Automation** Triggers when a subscriber triggers a selected workflow. - Trigger **Subscriber Unsubscribed** Triggers when a subscriber has unsubscribed from your mailing list. - Action **Add Subscriber to a Group** Add existing subscriber to a specific group by email address. - Action **Change Subscriber Email** Change subscriber email to another. - Action **Create a Draft Campaign** Create a Draft Campaign - Action **Create or Update Subscriber** Create a new subscriber or Update an existing subscriber based on their email. - Action **Create Subscribers Group** Create a new subscribers group. - Action **Find a Group** Search for a group by name - Action **Find a Subscriber** Search for a subscriber by email or name - Action **Remove Subscriber From a Group** Remove subscriber from a specific group by email address. - Action **Unsubscribe Subscriber** Sets the contact's status to "Unsubscribed". - Action **Convert CII XML to Factur-X** Converts a CII XML invoice into a Factur-X compliant PDF/A-3 with the XML embedded. The API generates a visual PDF rendering of the invoice and packages it with the source CII XML. - Action **Convert Factur-X PDF to CII** Extracts the embedded CII (UN/CEFACT Cross Industry Invoice) XML from a Factur-X PDF and returns it as a standalone XML file. - Action **Convert Factur-X PDF to UBL** Extracts the embedded CII XML from a Factur-X PDF and converts it to UBL (Universal Business Language) XML. - Action **Convert UBL XML to Factur-X** Converts a UBL XML invoice into a Factur-X compliant PDF/A-3. The API maps UBL to CII, generates a visual PDF rendering, and embeds the CII XML in the PDF/A-3 container. - Action **Create Factur-X Invoice** Builds a Factur-X invoice from structured header, party, payment, and line-item data, then returns a ready-to-deliver PDF/A-3b file. - Action **Embed XML Into PDF (Factur-X)** Takes a PDF and a CII XML and produces a Factur-X compliant PDF/A-3 with the XML attached as factur-x.xml. Use this when you already have both the visual PDF and the structured XML of an invoice and just need the hybrid wrapper. - Action **Extract Invoice JSON** Pulls invoice fields from a PDF into structured JSON, preferring embedded Factur-X XML when present and falling back to intelligent extraction when not. - Action **Extract Invoice XML** Retrieves machine-readable invoice XML from a PDF, returning embedded Factur-X XML directly or generating compliant XML when none is embedded. - Action **Render CII as PDF** Renders a CII (UN/CEFACT Cross Industry Invoice) XML document into a human-readable PDF. The output is a visual PDF, not a Factur-X hybrid file. - Action **Validate Factur-X Invoice** Checks whether a Factur-X invoice is structurally and semantically valid, including schema status, conformance level, and rule-level issues. ## Each app on its own - [ **MailerLite** MailerLite’s super-fast email marketing platform helps you grow your business online using innovative email...](https://apiant.ai/connections/mailerlite) - [ **Factur-X by InvoiceXML** Factur-X by InvoiceXML is an e-invoice automation: create, transform, validate, and extract Factur-X PDFs...](https://apiant.ai/connections/factur-x-by-invoicexml) Reviews ## What our customers say ## More from MailerLite - [ **MailerLite to Frontrow** FrontRow software allows small businesses to easily generate reviews online by requesting reviews from...](https://apiant.ai/connect/mailerlite-to-frontrow) - [ **MailerLite to Hyperstack Certificates** Hyperstack helps you easily create and manage digital certificates & badges for your events or courses.](https://apiant.ai/connect/mailerlite-to-hyperstack-certificates) - [ **MailerLite to WorldCoinIndex** Cryptocurrencies Prices](https://apiant.ai/connect/mailerlite-to-worldcoinindex) - [ **MailerLite to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/mailerlite-to-salesforce) - [ **MailerLite to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/mailerlite-to-slack) - [ **MailerLite to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/mailerlite-to-google-drive) ## More into Factur-X by InvoiceXML - [ **Stripe to Factur-X by InvoiceXML** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/stripe-to-factur-x-by-invoicexml) - [ **HubSpot to Factur-X by InvoiceXML** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-factur-x-by-invoicexml) - [ **Salesforce to Factur-X by InvoiceXML** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-factur-x-by-invoicexml) - [ **Slack to Factur-X by InvoiceXML** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-factur-x-by-invoicexml) - [ **Google Sheets to Factur-X by InvoiceXML** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-factur-x-by-invoicexml) - [ **Gmail to Factur-X by InvoiceXML** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-factur-x-by-invoicexml) Questions ## MailerLite and Factur-X by InvoiceXML, 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 Factur-X by InvoiceXML when something happens in MailerLite? Any of Factur-X by InvoiceXML's 10 actions, including Create Factur-X Invoice, Convert CII XML to Factur-X, Convert Factur-X PDF to CII and Convert Factur-X PDF to UBL. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Factur-X by InvoiceXML to MailerLite? Factur-X by InvoiceXML has no triggers in the catalog today, so automations start in MailerLite. If you need the other direction, ask: your agent reads Factur-X by InvoiceXML's API documentation and adds it. ### ### Do I have to build a connector for MailerLite or Factur-X by InvoiceXML? 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 and Factur-X by InvoiceXML 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.