--- title: "Connect The Events Calendar to CII & UBL by InvoiceXML - APIANT.ai" description: "When \"New Event\" fires in The Events Calendar, your agent runs \"Create CII Invoice\" in CII & UBL by InvoiceXML." canonical: "https://apiant.ai/connect/the-events-calendar-to-cii-ubl-by-invoicexml" --- # Connect The Events Calendar to CII & UBL by InvoiceXML When **New Event** fires in [The Events Calendar](https://apiant.ai/connections/the-events-calendar), your agent runs **Create CII Invoice** in [CII & UBL by InvoiceXML](https://apiant.ai/connections/cii-ubl-by-invoicexml). Describe the whole flow and it is built, tested on every scenario and kept running. The Events Calendar **1** trigger The Events Calendar **17** actions CII & UBL by InvoiceXML **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 The Events Calendar and CII & UBL 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. 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[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What The Events Calendar can start in CII & UBL by InvoiceXML - When **New Event** in The Events Calendar then **Create CII Invoice** in CII & UBL by InvoiceXML - When **New Event** in The Events Calendar then **Create UBL Invoice** in CII & UBL 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 The Events Calendar and CII & UBL by InvoiceXML ## Triggers and actions 1 trigger · 31 actions - Trigger **New Event** Polling trigger: fires when a new event is created. Lists events ordered by date created (newest first); deduped by event id. - Action **Create Event** Create a new event. - Action **Create Organizer** Create a new organizer. - Action **Create Venue** Create a new venue. - Action **Delete Event** Delete (move to trash) an event by ID. - Action **Delete Organizer** Delete (move to trash) an organizer by ID. - Action **Delete Venue** Delete (move to trash) a venue by ID. - Action **Get Event** Retrieve a single event by its ID. - Action **Get Organizer** Retrieve a single organizer by its ID. - Action **Get Venue** Retrieve a single venue by its ID. - Action **List Categories** Retrieve the list of event categories. - Action **List Events** Retrieve a list of events with optional filters (search, date range, status, pagination). - Action **List Organizers** Retrieve a list of organizers. - Action **List Tags** Retrieve the list of event tags. - Action **List Venues** Retrieve a list of venues. - Action **Update Event** Update an existing event by ID. - Action **Update Organizer** Update an existing organizer by ID. - Action **Update Venue** Update an existing venue by ID. - Action **Convert CII to UBL** Translates a UN/CEFACT CII invoice XML into a standards-compliant UBL 2.1 XML document, enabling interoperability between systems that use different e-invoice formats. - Action **Convert UBL to CII** Transforms a UBL 2.1 invoice XML into a UN/CEFACT CII XML document, bridging compatibility between PEPPOL-based systems and CII-native accounting platforms. - Action **Create CII Invoice** Produces a UN/CEFACT Cross-Industry Invoice (CII) XML document from structured billing data, ready for submission through any EN16931-compliant e-invoicing channel. - Action **Create UBL Invoice** Generates a standards-compliant UBL 2.1 XML invoice from structured billing data including seller, buyer, line items, and payment details. - Action **Extract Invoice Attachments** Download an e-invoice's embedded attachments as a ZIP. - Action **Extract Invoice JSON** Parses a PDF invoice into machine-readable JSON, reading embedded CII or UBL XML when available and applying AI-based extraction as a fallback for unstructured PDFs. - Action **Extract Invoice XML** Pull the CII or UBL XML out of an e-invoice PDF. - Action **Parse Invoice JSON** AI-parse any PDF invoice — messy, scanned, or handwritten — into structured JSON. - Action **Render CII to PDF** Produce a human-readable PDF from a CII e-invoice. - Action **Render UBL to PDF** Produce a human-readable PDF from a UBL e-invoice. - Action **Transform PDF to CII** Reads an existing PDF invoice and produces a UN/CEFACT CII XML document using AI-powered data extraction. Ideal for digitising paper-based or scanned invoices into a structured CII format. Note: AI can make mistakes; review output before sending. - Action **Transform PDF to UBL** Reads an existing PDF invoice and produces a UBL 2.1 XML document using AI-powered data extraction. Useful for onboarding legacy invoices into structured e-invoicing workflows. Note: AI can make mistakes; review output before sending. - Action **Validate CII Invoice** Verifies a UN/CEFACT CII invoice XML against EN16931 semantic rules and XSD schema, returning a detailed compliance report including any rule failures or data inconsistencies. - Action **Validate UBL Invoice** Checks a UBL 2.1 invoice XML against EN16931 business rules and schema constraints, returning a structured validation report with any rule violations or structural errors. ## Each app on its own - [ **The Events Calendar** The Events Calendar is a WordPress events management plugin.](https://apiant.ai/connections/the-events-calendar) - [ **CII & UBL by InvoiceXML** CII & UBL by InvoiceXML is an e-invoice compliance service for creating, converting, validating, and...](https://apiant.ai/connections/cii-ubl-by-invoicexml) Reviews ## What our customers say ## More from The Events Calendar - [ **The Events Calendar to Webflow** Webflow is a professional website builder and CMS for designing, building, and launching responsive...](https://apiant.ai/connect/the-events-calendar-to-webflow) - [ **The Events Calendar to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/the-events-calendar-to-trello) - [ **The Events Calendar to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/the-events-calendar-to-zoom) - [ **The Events Calendar to Twilio** Cloud communications platform for sending SMS/MMS messages, making and managing voice calls, and looking up...](https://apiant.ai/connect/the-events-calendar-to-twilio) - [ **The Events Calendar to Typeform** Build and publish online forms, surveys, and quizzes with Typeform.](https://apiant.ai/connect/the-events-calendar-to-typeform) - [ **The Events Calendar to Wix** The Wix website builder gives businesses of any size the tools to create, manage and grow a fully integrated...](https://apiant.ai/connect/the-events-calendar-to-wix) ## More into CII & UBL by InvoiceXML - [ **HubSpot to CII & UBL by InvoiceXML** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-cii-ubl-by-invoicexml) - [ **Salesforce to CII & UBL by InvoiceXML** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-cii-ubl-by-invoicexml) - [ **Slack to CII & UBL by InvoiceXML** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-cii-ubl-by-invoicexml) - [ **Google Sheets to CII & UBL by InvoiceXML** Google Sheets](https://apiant.ai/connect/google-sheets-to-cii-ubl-by-invoicexml) - [ **Gmail to CII & UBL by InvoiceXML** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-cii-ubl-by-invoicexml) - [ **Google Calendar to CII & UBL by InvoiceXML** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-cii-ubl-by-invoicexml) Questions ## The Events Calendar and CII & UBL by InvoiceXML, answered ### ### What can start an automation from The Events Calendar? Any of The Events Calendar's 1 trigger in the catalog, including New Event. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in CII & UBL by InvoiceXML when something happens in The Events Calendar? Any of CII & UBL by InvoiceXML's 14 actions, including Create CII Invoice, Create UBL Invoice, Convert CII to UBL and Convert UBL to CII. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from CII & UBL by InvoiceXML to The Events Calendar? CII & UBL by InvoiceXML has no triggers in the catalog today, so automations start in The Events Calendar. If you need the other direction, ask: your agent reads CII & UBL by InvoiceXML's API documentation and adds it. ### ### Do I have to build a connector for The Events Calendar or CII & UBL 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 The Events Calendar and CII & UBL 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.