---
title: "Connect Returnless to Factur-X by InvoiceXML - APIANT.ai"
description: "When \"Request Created\" fires in Returnless, your agent runs \"Create Factur-X Invoice\" in Factur-X by InvoiceXML."
canonical: "https://apiant.ai/connect/returnless-to-factur-x-by-invoicexml"
---

# Connect Returnless to Factur-X by InvoiceXML

When **Request Created** fires in [Returnless](https://apiant.ai/connections/returnless), 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.

Returnless **2** triggers Returnless **16** 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 Returnless 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 Returnless can start in Factur-X by InvoiceXML

- When **Request Created** in Returnless then **Create Factur-X Invoice** in Factur-X by InvoiceXML
- When **Return Created** in Returnless 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 Returnless and Factur-X by InvoiceXML

## Triggers and actions 2 triggers · 26 actions

- Trigger

**Request Created**

Triggers when a customer creates a new return request that needs approval.

- Trigger

**Return Created**

Triggers when a new return is created, including a request once it is approved.

- Action

**Add note**

Adds an internal note to a return or return request.

- Action

**Add Request**

Creates a return request in Returnless for items from an existing sales order.

- Action

**Approve a Request**

Approves a return request in Returnless so the customer can send the items back.

- Action

**Approve a Request Without Shipment**

Approves a pending return request without a return shipment, so the customer keeps the items.

- Action

**Find customers**

Returns the customers in your Returnless account that match an email address.

- Action

**Find products**

Returns the products in your Returnless account that match a SKU.

- Action

**Find Requests**

Finds a Request in your Returnless account.

- Action

**Find Returns**

Finds returns (return orders) in Returnless by return number.

- Action

**Find sales orders**

Finds sales orders in Returnless by order number.

- Action

**Get customer**

Returns a single Returnless customer by its id.

- Action

**Get Request (By Request ID)**

Returns a single return request (return order) from Returnless by its ID.

- Action

**Get Return (By Return ID)**

Returns a single return in Returnless, with all of its details, by its return ID.

- Action

**Get sales order**

Returns a single sales order by its ID, including its customer, address and order details.

- Action

**List return reasons**

Returns the return reasons configured in your Returnless account.

- Action

**Reject Request**

Rejects a pending return request in Returnless.

- Action

**Update return**

Changes the status of a return, such as Checked, Approved or Resolved.

- 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

- [ **Returnless** Returnless gives e-commerce businesses a way to get their returns in check.](https://apiant.ai/connections/returnless)
- [ **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 Returnless

- [ **Returnless to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/returnless-to-salesforce)
- [ **Returnless to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/returnless-to-slack)
- [ **Returnless to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/returnless-to-stripe)
- [ **Returnless to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/returnless-to-shopify)
- [ **Returnless to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/returnless-to-trello)
- [ **Returnless to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/returnless-to-zoom)

## 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](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

## Returnless and Factur-X by InvoiceXML, answered

###

### What can start an automation from Returnless?

Any of Returnless's 2 triggers in the catalog, including Request Created and Return Created. 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 Returnless?

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 Returnless?

Factur-X by InvoiceXML has no triggers in the catalog today, so automations start in Returnless. 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 Returnless 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 Returnless 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.
