--- title: "Connect Omnisend to CII & UBL by InvoiceXML - APIANT.ai" description: "When \"New Contact\" fires in Omnisend, your agent runs \"Create CII Invoice\" in CII & UBL by InvoiceXML." canonical: "https://apiant.ai/connect/omnisend-to-cii-ubl-by-invoicexml" --- # Connect Omnisend to CII & UBL by InvoiceXML When **New Contact** fires in [Omnisend](https://apiant.ai/connections/omnisend), 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. Omnisend **2** triggers Omnisend **36** 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 Omnisend 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. [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 Omnisend can start in CII & UBL by InvoiceXML - When **New Contact** in Omnisend then **Create CII Invoice** in CII & UBL by InvoiceXML - When **Updated Contacts** in Omnisend 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 Omnisend and CII & UBL by InvoiceXML ## Triggers and actions 2 triggers · 50 actions - Trigger **New Contact** Triggers when a new contact is added to your Omnisend account, optionally limited to a subscription status, segment or tag. - Trigger **Updated Contacts** Triggers when a contact is created or updated in Omnisend, newest changes first. - Action **Add email template** Creates a new email template in Omnisend with a name, general style settings and content sections. - Action **Add product** Creates a product in your Omnisend catalog, with optional variants, images, categories and tags. - Action **Add product category** Creates a new product category in your Omnisend store. - Action **Add segment** Creates a new contact segment in Omnisend from a name and a set of condition rules. - Action **Add tags to contacts** Adds one or more tags to contacts chosen by contact ID, email, phone number or segment. Tagging happens in the background, so tags may take a moment to appear. - Action **Cancel Campaign** Cancels a scheduled or paused campaign (or a started email campaign) in Omnisend and marks it as canceled. - Action **Copy Campaign** Creates a new draft copy of an existing campaign, including its content, audience and settings. The copy is named "Copy of: " followed by the original name. - Action **Create Campaign** Creates a new draft campaign (email or SMS; regular, A/B test or booster) in Omnisend and returns the created campaign. - Action **Create Subscriber** Creates a subscriber (contact) in Omnisend, or updates the existing contact with the same email address. - Action **Delete Campaign** Deletes a campaign from your Omnisend account. - Action **Delete Email Template** Deletes an email template from your Omnisend account by its ID. - Action **Delete Image** Deletes an image from the Omnisend image library by its ID. - Action **Delete product** Deletes a product from the Omnisend product catalog by its ID. - Action **Delete Segment** Permanently deletes a segment in Omnisend. - Action **Find Campaign** Returns a single Omnisend campaign by its ID, including its name, status, channel, audience, content and sending settings. - Action **Find Campaigns** Returns campaigns whose name contains the given text, optionally filtered by status, channel, type and created/updated dates. - Action **Find Email Template** Returns a single email template, including its name, layout sections and general settings, looked up by its ID. - Action **Find Email Templates** Returns email templates whose names contain the given text. - Action **Find Image** Returns a single image from your Omnisend image library by its ID, including its URL, size and dimensions. - Action **Find Images** Returns images in your Omnisend library whose names contain the search text. - Action **Find Segment** Returns an Omnisend segment by its ID, including its name, status and condition rules. - Action **Find Segments** Finds segments whose name contains the given text. - Action **Get contact** Returns a single Omnisend contact by its ID, including profile details, identifiers, tags, segments and custom properties. - Action **Get product** Returns a single product from your Omnisend catalog by its ID, including its variants, images, categories and stock status. - Action **Get Segment Statistics** Returns statistics for a segment, including how many contacts it currently contains. - Action **Import Email Template** Creates a new Omnisend email template by importing raw HTML. Returns the created template. - Action **List contacts** Returns Omnisend contacts, optionally filtered by email, phone, subscription status, segment, tag or last-update time. - Action **Remove tags from contacts** Removes one or more tags from contacts chosen by contact ID, email, phone number or segment. Omnisend processes the removal in the background. - Action **Render Email Template** Renders an email template and returns its full HTML body for preview. - Action **Send Customer Event** Sends a customer event (custom or recommended) to Omnisend for a contact, creating or updating the contact and triggering any automations based on that event. - Action **Update Campaign** Updates a draft campaign's name, language, content, audience, sending settings, booster or A/B test settings. Only campaigns still in draft can be updated. - Action **Update contact** Updates an existing Omnisend contact by its ID, changing only the fields you fill in, and returns the updated contact. - Action **Update email template** Fully replaces an existing Omnisend email template's name, sections and general settings, and returns the updated template. - Action **Update product** Replaces an existing product in your Omnisend catalog with the details you provide. Fields left blank are not kept from the previous version. - Action **Update segment** Updates an existing segment's name and rules. The segment can't be updated while it is being built. - Action **Upload Image** Uploads an image to your Omnisend image library from a publicly accessible URL and returns the stored image details. - 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 - [ **Omnisend** Omnisend is a marketing automation platform built for growing ecommerce businesses that have graduated their...](https://apiant.ai/connections/omnisend) - [ **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 Omnisend - [ **Omnisend to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/omnisend-to-salesforce) - [ **Omnisend to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/omnisend-to-slack) - [ **Omnisend to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/omnisend-to-stripe) - [ **Omnisend to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/omnisend-to-shopify) - [ **Omnisend to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/omnisend-to-quickbooks-online) - [ **Omnisend to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/omnisend-to-pipedrive) ## 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 ## Omnisend and CII & UBL by InvoiceXML, answered ### ### What can start an automation from Omnisend? Any of Omnisend's 2 triggers in the catalog, including New Contact and Updated Contacts. 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 Omnisend? 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 Omnisend? CII & UBL by InvoiceXML has no triggers in the catalog today, so automations start in Omnisend. 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 Omnisend 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 Omnisend 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.