Accounting

Connect Factur-X by InvoiceXML to any app

Factur-X by InvoiceXML is an e-invoice automation: create, transform, validate, and extract Factur-X PDFs (PDF/A-3b + EN 16931 CII).

Connects with an API keyinvoicexml.com
10 actions

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

Build solutions, not workarounds.

What do you want to automate with Factur-X by InvoiceXML?

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https://mcp.apiant.ai

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)
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)
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)
Zed

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

Setup guide (opens in a new tab)
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)
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)

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What your agent can do with Factur-X by InvoiceXML

Triggers and actions 10 actions

  • 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.

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Factur-X by InvoiceXML, answered

What can your agent do in Factur-X by InvoiceXML?

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.

Which apps can Factur-X by InvoiceXML connect to?

Any app in the catalog; the list on this page pairs Factur-X 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.