Integration
Connect Quaderno to InvoiceXpress
When New Contact fires in Quaderno, your agent runs Create Invoice in InvoiceXpress. 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 Quaderno and InvoiceXpress 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)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
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 Quaderno can start in InvoiceXpress
When New Contact in Quaderno
then Create Invoice in InvoiceXpress
When New Invoice in Quaderno
then Create Invoice-Receipt in InvoiceXpress
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 Quaderno and InvoiceXpress
Triggers and actions 3 triggers · 56 actions
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.
Action
Add estimateCreates a new estimate document (quote, proforma or fees note) in InvoiceXpress, with its line items and client.
Action
Add guideCreates a shipping, transport or devolution (return) guide for goods, with its items, load and delivery addresses and client.
Action
Add itemCreates a new product or service item in your InvoiceXpress catalog.
Action
Add sequenceCreates a new document sequence (series) in InvoiceXpress and returns whether the request was accepted and where to check its status.
Action
Add taxCreates a tax rate in InvoiceXpress and returns it.
Action
Cancel InvoiceCancels a finalized InvoiceXpress invoice, recording the reason.
Action
Cancel Invoice-ReceiptCancels a finalized InvoiceXpress invoice-receipt, recording the reason.
Action
Create InvoiceCreates a draft invoice in InvoiceXpress for a client, with its line items.
Action
Create Invoice-ReceiptCreates a draft invoice-receipt in InvoiceXpress for a client, with its line items.
Action
Delete Draft InvoiceDeletes a draft InvoiceXpress invoice.
Action
Delete Draft Invoice-ReceiptDeletes a draft InvoiceXpress invoice-receipt.
Action
Delete itemDeletes an item from your InvoiceXpress account.
Action
Finalize InvoiceFinalizes a draft InvoiceXpress invoice, giving it its legal number.
Action
Finalize Invoice-ReceiptFinalizes a draft InvoiceXpress invoice-receipt, giving it its legal number.
Action
Find clients by codeFinds the client whose client code matches the code you enter, and returns its details.
Action
Find clients by nameFinds a client by its exact name and returns the client record.
Action
Generate PDFGenerates the PDF of an InvoiceXpress invoice and returns its download link.
Action
Get a ClientReturns one InvoiceXpress client by its ID, with contact and fiscal details.
Action
Get a InvoiceReturns one InvoiceXpress invoice by its ID, with status, totals and client.
Action
Get estimateReturns a single estimate (quote, proforma or fees note) with its client, line items and totals.
Action
Get itemReturns a single item (product or service) from your InvoiceXpress catalog, including its price, unit and tax.
Action
List clientsReturns all clients in your InvoiceXpress account.
Action
List invoicesReturns a list of invoices and other billing documents, optionally filtered by type, status, client, dates and totals.
Action
List itemsReturns all the items (products and services) saved in your InvoiceXpress account.
Action
List sequencesReturns all document sequences (series) in your InvoiceXpress account, including their current document numbers and ATCUD validation codes.
Action
List taxesReturns all the taxes configured in your InvoiceXpress account.
Action
Mark as PaidMarks a finalized InvoiceXpress invoice as paid (settled).
Action
Sends Invoice by EmailEmails a finalized InvoiceXpress invoice to a recipient.
Action
Update estimateUpdates a draft estimate (quote, proforma or fees note), replacing its line items and details.
Action
Update InvoiceUpdates a draft InvoiceXpress invoice; the line items you send replace the existing ones.
Action
Update Invoice-ReceiptUpdates a draft InvoiceXpress invoice-receipt; the line items you send replace the existing ones.
Action
Update itemUpdates an existing item's name, price, description, unit and tax.
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
Quaderno and InvoiceXpress, answered
What can start an automation from Quaderno?
Any of Quaderno's 3 triggers in the catalog, including New Contact, New Invoice and New Sale. Describe the moment in plain language and your agent picks the right one.
What can your agent do in InvoiceXpress when something happens in Quaderno?
Any of InvoiceXpress's 32 actions, including Create Invoice, Create Invoice-Receipt, Update estimate and Update Invoice. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from InvoiceXpress to Quaderno?
InvoiceXpress has no triggers in the catalog today, so automations start in Quaderno. If you need the other direction, ask: your agent reads InvoiceXpress's API documentation and adds it.
Do I have to build a connector for Quaderno or InvoiceXpress?
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 Quaderno and InvoiceXpress 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.