--- title: "Connect Quaderno to Iucto - APIANT.ai" description: "When \"New Contact\" fires in Quaderno, your agent runs \"Add customer\" in Iucto." canonical: "https://apiant.ai/connect/quaderno-to-iucto" --- # Connect Quaderno to Iucto When **New Contact** fires in [Quaderno](https://apiant.ai/connections/quaderno), your agent runs **Add customer** in [Iucto](https://apiant.ai/connections/iucto). Describe the whole flow and it is built, tested on every scenario and kept running. Quaderno **3** triggers Quaderno **24** actions Iucto **25** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Quaderno and Iucto 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 Quaderno can start in Iucto - When **New Contact** in Quaderno then **Add customer** in Iucto - When **New Invoice** in Quaderno then **Add issued invoice** in Iucto 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 Iucto ## Triggers and actions 3 triggers · 49 actions - Trigger **New Contact** Triggers when a new contact is created in Quaderno. - Trigger **New Invoice** Triggers when a new invoice is created in Quaderno. - Trigger **New Sale** Triggers when a new sale is recorded in Quaderno, i.e. a new invoice or receipt is created. - Action **Add invoice payment** Records a payment against a Quaderno invoice. When total payments reach the invoice amount, the invoice is marked as paid. - Action **Add product** Creates a new product in Quaderno that can be used as a line item on invoices, credit notes and expenses. - Action **Add receipt** Creates a paid receipt in Quaderno for a completed sale, with its customer, line items and payment method. - Action **Calculate tax rate** Calculates the tax rate and tax amount that applies to a sale for a given customer location and product type. - Action **Create Contact** Creates a new contact (customer or vendor) in Quaderno and returns the created contact. - Action **Create Estimate** Creates an estimate (proforma) in Quaderno for a customer, with line items, dates and notes. - Action **Create Expense** Creates an expense in Quaderno for a vendor, with its line items, and returns the new expense. - Action **Create Invoice** Creates an invoice for a customer with line items; optionally records full payment so the invoice is marked paid. - Action **Create Paid Invoice** Creates an invoice for a customer and records a full payment against it, so the invoice is marked paid. - Action **Create Sale** Records a sale in Quaderno, which calculates taxes and issues the matching invoice or receipt for the customer. - Action **Delete contact** Permanently deletes a contact (customer or vendor) from your Quaderno account. - Action **Find Contact** Finds contacts whose name, email or tax ID matches the search text, or whose payment-processor ID matches. - Action **Find Sale** Finds 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 contact** Returns a single Quaderno contact (customer or vendor) by its ID. - Action **Get Estimate** Returns a single estimate (proforma) by its id, including its number, customer, line items, taxes and totals. - Action **Get Expense** Returns the details of an existing expense in your Quaderno account. - Action **Get invoice** Returns a single invoice by its id, including number, contact, line items, taxes, totals and payments. - Action **Get product** Returns a single product (item) from your Quaderno account by its id, including its name, code, price and tax settings. - Action **Get Receipt** Returns a receipt by its id, including number, totals, taxes, contact and payment details. - Action **Update contact** Updates an existing Quaderno contact. Fields left blank keep their current values. - Action **Update invoice** Updates the editable fields of an existing invoice: PO number, tags, payment details, notes, custom metadata and billing address. - Action **Update product** Updates an existing product in Quaderno. Only the fields you fill in are changed. - Action **Validate tax ID** Checks whether a customer's tax ID (EU/UK VAT, ABN, NZBN, QST, Swiss UID) is valid and belongs to a real business. - Action **Void invoice** Voids an existing invoice in Quaderno and returns the voided invoice. - Action **Add attachment** Uploads a file (up to 5 MB) and attaches it to an iÚčto document or contact. - Action **Add bank transaction** Imports a new bank transaction into iÚčto. iÚčto automatically tries to match it with existing documents by variable symbol and amount. - Action **Add customer** /customer - create an address-book customer. - Action **Add issued credit note** /creditnote_issued - create a credit note. - Action **Add issued invoice** /invoice_issued - create an issued invoice. - Action **Add issued proforma invoice** Creates an issued proforma (advance) invoice in iÚčto. The invoice must have at least one item. - Action **Add price list item** /price_list - create a price list item. - Action **Add received invoice** /invoice_received - create a received invoice. - Action **Add received payment** /payment_received - record a received payment. - Action **Add supplier** Adds a supplier to the iÚčto address book. - Action **Delete customer** Deletes a customer from the iÚčto address book. Fails if the customer is linked to an invoice, payment or other record. - Action **Delete issued invoice** Deletes an issued invoice. Invoices linked to another record, in a closed accounting/VAT period, or sent to EET cannot be deleted. - Action **Get attachment** Returns one file attachment: its name, type and size. - Action **Get customer** Retrieves the full detail of one customer, including address and invoicing preferences. - Action **Get issued credit note** Returns one issued credit note with its number, total and line items. - Action **Get issued invoice** Retrieves the details of an issued invoice by its ID. - Action **Get issued invoice PDF** Downloads the PDF of an issued invoice. - Action **Get issued proforma invoice** Returns one issued proforma invoice with its number, total and line items. - Action **List bank accounts** Lists the bank accounts set up in the iÚčto company. - Action **List customers** Returns all customers in the iÚčto address book, optionally narrowed by name, company ID, email, VAT ID, phone, bank account, customer group or external code. - Action **List price list items** Lists the items in your iÚčto price list, including hidden ones, optionally filtered by stock tracking, bar code or external code. - Action **List suppliers** Lists suppliers in the iÚčto address book, optionally filtered by name, IČO, email, DIČ, VAT-payer status, phone, bank account, supplier group or external code. - Action **Send issued invoice by email** Sends an issued invoice by email to the given recipients with a link to the invoice, optionally attaching the invoice PDF and delivery note PDF. - Action **Update customer** Updates an existing customer in iÚčto. The customer record is overwritten with the values supplied. - Action **Update issued invoice** Overwrites an issued invoice in iÚčto with the values supplied. The whole invoice is replaced, so supply every required field and the complete list of items. ## Each app on its own - [ **Quaderno** Quaderno is a tax software that handles sales tax, VAT, and GST for your online business.](https://apiant.ai/connections/quaderno) - [ **Iucto** Czech online accounting/invoicing app with a REST API for automating document processing](https://apiant.ai/connections/iucto) Reviews ## What our customers say ## More from Quaderno - [ **Quaderno to Hyperstack Certificates** Hyperstack helps you easily create and manage digital certificates & badges for your events or courses.](https://apiant.ai/connect/quaderno-to-hyperstack-certificates) - [ **Quaderno to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/quaderno-to-salesforce) - [ **Quaderno to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/quaderno-to-slack) - [ **Quaderno to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/quaderno-to-stripe) - [ **Quaderno to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/quaderno-to-shopify) - [ **Quaderno to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/quaderno-to-quickbooks-online) ## More into Iucto - [ **HubSpot to Iucto** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-iucto) - [ **Salesforce to Iucto** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-iucto) - [ **Slack to Iucto** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-iucto) - [ **Google Sheets to Iucto** Google Sheets](https://apiant.ai/connect/google-sheets-to-iucto) - [ **Gmail to Iucto** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-iucto) - [ **Google Calendar to Iucto** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-iucto) Questions ## Quaderno and Iucto, 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 Iucto when something happens in Quaderno? Any of Iucto's 25 actions, including Add received invoice, Add received payment, Send issued invoice by email and Update customer. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Iucto to Quaderno? Iucto has no triggers in the catalog today, so automations start in Quaderno. If you need the other direction, ask: your agent reads Iucto's API documentation and adds it. ### ### Do I have to build a connector for Quaderno or Iucto? 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 Iucto 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.