Integration
Connect Lexware Office and Quaderno
When Contact updated (instant) fires in Lexware Office, your agent runs Create Contact in Quaderno, or New Contact in Quaderno to Create a contact in Lexware Office. Describe the whole flow and it is built, tested on every scenario and kept running.
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 Lexware Office and Quaderno to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne 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.aiStart 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)Example flows
What Lexware Office and Quaderno can do together
From Lexware Office to Quaderno
When Contact updated (instant) in Lexware Office
then Create Contact in Quaderno
When Invoice status changed (instant) in Lexware Office
then Create Invoice in Quaderno
From Quaderno to Lexware Office
When New Contact in Quaderno
then Create a contact in Lexware Office
When New Invoice in Quaderno
then Create an invoice in Lexware Office
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 Lexware Office and Quaderno
Triggers and actions 13 triggers · 64 actions
Trigger
Contact updated (instant)Fires when a contact changes in Lexware Office. Event type: contact.changed.
Trigger
Invoice status changed (instant)Fires when an invoice's status changes in Lexware Office. Event type: invoice.status.changed.
Trigger
New article (instant)Fires when a new article is created in Lexware Office. Event type: article.created.
Trigger
New contact (instant)Fires when a new contact is created in Lexware Office. Event type: contact.created.
Trigger
New credit note (instant)Fires when a new credit note is created in Lexware Office. Event type: credit-note.created.
Trigger
New invoice (instant)Fires when a new invoice is created in Lexware Office. Event type: invoice.created.
Trigger
New order confirmation (instant)Fires when a new order confirmation is created in Lexware Office. Event type: order-confirmation.created.
Trigger
New quotation (instant)Fires when a new quotation is created in Lexware Office. Event type: quotation.created.
Trigger
New voucher (instant)Fires when a new bookkeeping voucher is created in Lexware Office. Event type: voucher.created.
Trigger
Payment changed (instant)Fires when the payment status of a sales voucher changes in Lexware Office. Event type: payment.changed.
Action
Create a contactCreates a contact in Lexware Office as a person or a company, with optional billing address, email, phone and note, and returns the new contact's ID.
Action
Create a credit noteCreates a credit note in Lexware Office for an existing contact or a typed-in address, with your line items. Saves it as a draft unless you choose to finalize it.
Action
Create a delivery noteCreates a delivery note in Lexware Office for an existing contact or a typed-in address, with your delivered line items. Saves it as a draft unless you choose to finalize it.
Action
Create a dunningCreates a dunning (payment reminder) in Lexware Office, normally chasing an unpaid invoice. Saves it as a draft unless you choose to finalize it.
Action
Create an articleCreates a product or service article in Lexware Office with its unit, price and tax rate, and returns the new article's ID.
Action
Create an invoiceCreates an invoice in Lexware Office for an existing contact or a typed-in address, with your line items and payment terms. Saves it as a draft unless you choose to finalize it.
Action
Create an order confirmationCreates an order confirmation in Lexware Office for an existing contact or a typed-in address, with your confirmed line items. Saves it as a draft unless you choose to finalize it.
Action
Create a quotationCreates a quotation in Lexware Office for an existing contact or a typed-in address, with your quoted line items and an expiry date. Saves it as a draft unless you choose to finalize it.
Action
Create a voucherBooks a voucher (an incoming or outgoing document) into Lexware Office with its booking lines, and returns the new voucher's ID.
Action
Delete an articleDeletes an article from Lexware Office by its ID.
Action
Download a credit note fileReturns the PDF file ID and download URL for a finalized credit note in Lexware Office.
Action
Download a delivery note fileReturns the PDF file ID and download URL for a finalized delivery note in Lexware Office.
Action
Download a dunning fileReturns the PDF file ID and download URL for a finalized dunning in Lexware Office.
Action
Download a fileDownloads the actual bytes of a file stored in Lexware Office by its file ID — for example the PDF that "Download an invoice file" reports. Returns the file so a later step can email, upload or attach it.
Action
Download an invoice fileReturns the PDF file ID and download URL for a finalized invoice in Lexware Office.
Action
Download an order confirmation fileReturns the PDF file ID and download URL for a finalized order confirmation in Lexware Office.
Action
Download a quotation fileReturns the PDF file ID and download URL for a finalized quotation in Lexware Office.
Action
Find articlesSearches the Lexware Office article list by article number, barcode or type, and returns the matching articles a page at a time.
Action
Find contactsSearches Lexware Office contacts by email, name, number or role, and returns the matching contacts a page at a time.
Action
Find voucher listLists Lexware Office documents (invoices, credit notes, quotations and the rest) filtered by type, status, contact and date, a page at a time.
Action
Find vouchersFinds booked vouchers in Lexware Office by their document number and returns the full voucher records.
Action
Get a contactReturns one Lexware Office contact by its ID, with its roles, person or company details, addresses, emails and phone numbers.
Action
Get a credit noteReturns one Lexware Office credit note by its ID, with its recipient, line items, totals and status.
Action
Get a delivery noteReturns one Lexware Office delivery note by its ID, with its recipient, delivered lines and delivery date.
Action
Get a dunningReturns a single dunning (payment reminder) by its ID, including its addressee, line items, totals and PDF file reference.
Action
Get an articleReturns a single article (product or service) by its ID, including its name, article number, unit and pricing.
Action
Get an invoiceReturns a single invoice by its ID, including its addressee, line items, totals, payment terms and PDF file reference.
Action
Get an order confirmationReturns a single order confirmation by its ID, including its addressee, line items, totals and PDF file reference.
Action
Get a quotationReturns a single quotation by its ID, including its addressee, line items, totals, expiry date and PDF file reference.
Action
Get a voucherReturns a single bookkeeping voucher by its ID, including its type, contact, amounts, line items and attached files.
Action
Get payment informationReturns the payment status of a voucher, such as an invoice: how much is still open, when it was paid, and the individual payments booked against it.
Action
Pursue to a credit noteCreates a credit note that follows on from an existing invoice, linking the two in Lexware Office. Copies the invoice's recipient, lines and tax settings unless you supply your own lines.
Action
Pursue to a delivery noteCreates a delivery note that follows on from an existing order confirmation, linking the two in Lexware Office. Copies the recipient, lines and tax settings unless you supply your own lines.
Action
Pursue to a dunningCreates a dunning (payment reminder) that follows on from an unpaid invoice, linking the two in Lexware Office. Copies the recipient, lines and tax settings unless you supply your own lines.
Action
Pursue to an invoiceCreates an invoice that follows on from an existing order confirmation, linking the two in Lexware Office. Copies the recipient, lines and tax settings unless you supply your own lines.
Action
Pursue to an order confirmationCreates an order confirmation that follows on from an existing quotation, linking the two in Lexware Office. Copies the recipient, lines and tax settings unless you supply your own lines.
Action
Update a contactUpdates an existing contact in Lexware Office. Reads the contact first and changes only the details you fill in, leaving everything else as it was.
Action
Update an articleUpdates an existing article in Lexware Office. Reads the article first and changes only the details you fill in, leaving everything else as it was.
Action
Update a voucherUpdates an existing bookkeeping voucher in Lexware Office. Reads the voucher first and changes only the details you fill in, leaving everything else as it was.
Action
Upload Document for Bookkeeping PurposesUploads a receipt or other document to Lexware Office for bookkeeping and returns its file ID, which you can attach to a voucher.
Trigger
New ContactTriggers when a new contact is created in Quaderno.
Trigger
New InvoiceTriggers when a new invoice is created in Quaderno.
Trigger
New SaleTriggers when a new sale is recorded in Quaderno, i.e. a new invoice or receipt is created.
Action
Add invoice paymentRecords a payment against a Quaderno invoice. When total payments reach the invoice amount, the invoice is marked as paid.
Action
Add productCreates a new product in Quaderno that can be used as a line item on invoices, credit notes and expenses.
Action
Add receiptCreates a paid receipt in Quaderno for a completed sale, with its customer, line items and payment method.
Action
Calculate tax rateCalculates the tax rate and tax amount that applies to a sale for a given customer location and product type.
Action
Create ContactCreates a new contact (customer or vendor) in Quaderno and returns the created contact.
Action
Create EstimateCreates an estimate (proforma) in Quaderno for a customer, with line items, dates and notes.
Action
Create ExpenseCreates an expense in Quaderno for a vendor, with its line items, and returns the new expense.
Action
Create InvoiceCreates an invoice for a customer with line items; optionally records full payment so the invoice is marked paid.
Action
Create Paid InvoiceCreates an invoice for a customer and records a full payment against it, so the invoice is marked paid.
Action
Create SaleRecords a sale in Quaderno, which calculates taxes and issues the matching invoice or receipt for the customer.
Action
Delete contactPermanently deletes a contact (customer or vendor) from your Quaderno account.
Action
Find ContactFinds contacts whose name, email or tax ID matches the search text, or whose payment-processor ID matches.
Action
Find SaleFinds sales (invoices) by invoice number, customer name or PO number, payment processor transaction id, customer, state or issue date range, and returns the matches.
Action
Get contactReturns a single Quaderno contact (customer or vendor) by its ID.
Action
Get EstimateReturns a single estimate (proforma) by its id, including its number, customer, line items, taxes and totals.
Action
Get ExpenseReturns the details of an existing expense in your Quaderno account.
Action
Get invoiceReturns a single invoice by its id, including number, contact, line items, taxes, totals and payments.
Action
Get productReturns a single product (item) from your Quaderno account by its id, including its name, code, price and tax settings.
Action
Get ReceiptReturns a receipt by its id, including number, totals, taxes, contact and payment details.
Action
Update contactUpdates an existing Quaderno contact. Fields left blank keep their current values.
Action
Update invoiceUpdates the editable fields of an existing invoice: PO number, tags, payment details, notes, custom metadata and billing address.
Action
Update productUpdates an existing product in Quaderno. Only the fields you fill in are changed.
Action
Validate tax IDChecks whether a customer's tax ID (EU/UK VAT, ABN, NZBN, QST, Swiss UID) is valid and belongs to a real business.
Action
Void invoiceVoids an existing invoice in Quaderno and returns the voided invoice.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
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Questions
Lexware Office and Quaderno, answered
What can start an automation from Lexware Office?
Any of Lexware Office's 10 triggers in the catalog, including Contact updated (instant), Invoice status changed (instant), New article (instant) and New contact (instant). Describe the moment in plain language and your agent picks the right one.
What can your agent do in Quaderno when something happens in Lexware Office?
Any of Quaderno's 24 actions, including Create Contact, Create Estimate, Create Expense and Create Invoice. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Quaderno to Lexware Office?
Yes. When something happens in Quaderno, your agent can act in Lexware Office too. This page covers both directions: Quaderno's triggers and Lexware Office's actions are listed here as well.
Do I have to build a connector for Lexware Office or Quaderno?
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 Lexware Office and Quaderno 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.