Accounting

Connect CII & UBL by InvoiceXML to any app

CII & UBL by InvoiceXML is an e-invoice compliance service for creating, converting, validating, and extracting CII and UBL formats behind Peppol and Factur-X

Connects with an API keyinvoicexml.com
14 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

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https://mcp.apiant.ai

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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)
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.

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Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

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Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

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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.

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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.

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What your agent can do with CII & UBL by InvoiceXML

Triggers and actions 14 actions

  • 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.

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CII & UBL by InvoiceXML, answered

What can your agent do in CII & UBL by InvoiceXML?

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.

Which apps can CII & UBL by InvoiceXML connect to?

Any app in the catalog; the list on this page pairs CII & UBL by InvoiceXML with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

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.