---
title: "Connect Quaderno to Modern Treasury - APIANT.ai"
description: "When \"New Contact\" fires in Quaderno, your agent runs \"Add invoice\" in Modern Treasury."
canonical: "https://apiant.ai/connect/quaderno-to-modern-treasury"
---

# Connect Quaderno to Modern Treasury

When **New Contact** fires in [Quaderno](https://apiant.ai/connections/quaderno), your agent runs **Add invoice** in [Modern Treasury](https://apiant.ai/connections/modern-treasury). Describe the whole flow and it is built, tested on every scenario and kept running.

Quaderno **3** triggers Quaderno **24** actions Modern Treasury **14** 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 Modern Treasury 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 Modern Treasury

- When **New Contact** in Quaderno then **Add invoice** in Modern Treasury
- When **New Invoice** in Quaderno then **Add payment order** in Modern Treasury

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 Modern Treasury

## Triggers and actions 3 triggers · 38 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 counterparty**

Creates a counterparty — a person or business you send payments to or receive payments from — optionally with its bank accounts and legal entity.

- Action

**Add expected payment**

Creates an expected payment in Modern Treasury so an incoming or outgoing payment can be reconciled automatically when it arrives.

- Action

**Add external account**

Creates an external bank account for a counterparty in Modern Treasury, with its account numbers, routing details and owner information.

- Action

**Add invoice**

Creates an invoice for a counterparty, payable to one of your internal accounts.

- Action

**Add ledger transaction**

Creates a ledger transaction made of balanced debit and credit entries against your ledger accounts.

- Action

**Add payment order**

Creates a payment order that moves money between one of your internal accounts and a counterparty's or another internal account.

- Action

**Delete counterparty**

Deletes a counterparty from your Modern Treasury organization.

- Action

**Get counterparty**

Returns a single counterparty, including its accounts, contact details and metadata.

- Action

**Get invoice**

Returns a single invoice by its ID, including its amounts, status, counterparty and line-item details.

- Action

**Get ledger transaction**

Returns one ledger transaction, including its ledger entries, status and metadata.

- Action

**Get payment order**

Returns the details of a single payment order, including its amount, status, direction and accounts.

- Action

**List internal accounts**

Returns the organization's internal (bank) accounts, optionally filtered by counterparty, legal entity, currency, status or payment capability.

- Action

**Update counterparty**

Updates an existing counterparty's name, email, external ID, legal entity, metadata, remittance-advice setting or taxpayer identifier. Returns the updated counterparty.

- Action

**Update payment order**

Updates an existing payment order, for example changing its amount, description, metadata or status (such as cancelling or approving it). Returns the updated payment order.

## 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)
- [ **Modern Treasury** API platform for money movement and ledgering, including payment orchestration, bank connectivity, and...](https://apiant.ai/connections/modern-treasury)

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 Modern Treasury

- [ **HubSpot to Modern Treasury** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-modern-treasury)
- [ **Salesforce to Modern Treasury** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-modern-treasury)
- [ **Slack to Modern Treasury** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-modern-treasury)
- [ **Google Sheets to Modern Treasury** Google Sheets](https://apiant.ai/connect/google-sheets-to-modern-treasury)
- [ **Gmail to Modern Treasury** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-modern-treasury)
- [ **Google Calendar to Modern Treasury** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-modern-treasury)

Questions

## Quaderno and Modern Treasury, 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 Modern Treasury when something happens in Quaderno?

Any of Modern Treasury's 14 actions, including Update counterparty, Update payment order, Add counterparty and Add expected payment. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Modern Treasury to Quaderno?

Modern Treasury has no triggers in the catalog today, so automations start in Quaderno. If you need the other direction, ask: your agent reads Modern Treasury's API documentation and adds it.

###

### Do I have to build a connector for Quaderno or Modern Treasury?

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 Modern Treasury 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.
