---
title: "Connect Quaderno and SOS Inventory - APIANT.ai"
description: "When \"New Contact\" fires in Quaderno, your agent runs \"Add invoice\" in SOS Inventory."
canonical: "https://apiant.ai/connect/quaderno-to-sos-inventory"
---

# Connect Quaderno and SOS Inventory

When **New Contact** fires in [Quaderno](https://apiant.ai/connections/quaderno), your agent runs **Add invoice** in [SOS Inventory](https://apiant.ai/connections/sos-inventory), or **New Customer** in SOS Inventory to **Add invoice payment** in Quaderno. Describe the whole flow and it is built, tested on every scenario and kept running.

Quaderno **3** triggers Quaderno **24** actions SOS Inventory **10** triggers SOS Inventory **26** 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 SOS Inventory 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 and SOS Inventory can do together

### From Quaderno to SOS Inventory

- When **New Contact** in Quaderno then **Add invoice** in SOS Inventory
- When **New Invoice** in Quaderno then **Add purchase order** in SOS Inventory

### From SOS Inventory to Quaderno

- When **New Customer** in SOS Inventory then **Add invoice payment** in Quaderno
- When **New Estimate** in SOS Inventory then **Create Estimate** in Quaderno

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 SOS Inventory

## Triggers and actions 13 triggers · 50 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.

- Trigger

**New Customer**

Triggers when a new customer is created.

- Trigger

**New Estimate**

- Trigger

**New Invoice**

Triggers when a new invoice is created.

- Trigger

**New Item**

- Trigger

**New Purchase Order**

Triggers when a new purchase order is created.

- Trigger

**New Sales Order**

Triggers when a new sales order is created.

- Trigger

**New Sales Receipt**

Triggers when a new sales receipt is created.

- Trigger

**New Shipment**

Triggers when a new shipment is created.

- Trigger

**New Vendor**

- Trigger

**Updated Item Quantity**

Triggers when an item quantity is updated.

- Action

**Add estimate**

/api/v2/estimate. Creates an estimate.

- Action

**Add inventory adjustment**

/api/v2/adjustment. Creates an inventory adjustment.

- Action

**Add invoice**

/api/v2/invoice. Creates an invoice.

- Action

**Add item**

/api/v2/item. Creates an item (inventory, non-inventory, service, assembly, kit etc.).

- Action

**Add purchase order**

/api/v2/purchaseorder. Creates a purchase order.

- Action

**Add transfer**

/api/v2/transfer. Creates an inventory transfer between locations.

- Action

**Add vendor**

/api/v2/vendor. Creates a vendor.

- Action

**Create Customer**

Creates a new customer

- Action

**Create Sales Order**

Creates a new sales order

- Action

**Create Sales Receipt**

Creates a new sales receipt

- Action

**Find Customer**

Finds a customer

- Action

**Find Sales Order**

Finds a sales order

- Action

**Find vendors**

/api/v2/vendor with query filters. Searches vendors.

- Action

**Get customer**

/api/v2/customer/{id}. Retrieves one customer by id.

- Action

**Get estimate**

Returns one estimate by id, including its lines and custom fields.

- Action

**Get inventory adjustment**

Returns one inventory adjustment by id, including its lines.

- Action

**Get invoice**

Returns one invoice by id.

- Action

**Get item**

/api/v2/item/{id}. Retrieves one item by id.

- Action

**Get purchase order**

Returns one purchase order by id.

- Action

**Get sales order**

/api/v2/salesorder/{id}. Retrieves one sales order.

- Action

**Get sales receipt**

Returns one sales receipt by id, including its lines and custom fields.

- Action

**Get transfer**

Retrieves a single inventory transfer by id, including its from/to locations and lines.

- Action

**List items**

/api/v2/item. Lists items with query filters and paging.

- Action

**Update customer**

/api/v2/customer/{id}. Updates a customer; requires syncToken.

- Action

**Update item**

/api/v2/item/{id}. Updates an item; requires current syncToken.

- Action

**Update sales order**

/api/v2/salesorder/{id}. Updates a sales order; requires syncToken.

## 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)
- [ **SOS Inventory** SOS Inventory is an app that tracks inventory, provides order management and manufacturing tracking and...](https://apiant.ai/connections/sos-inventory)

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 SOS Inventory

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

Questions

## Quaderno and SOS Inventory, 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 SOS Inventory when something happens in Quaderno?

Any of SOS Inventory's 26 actions, including Create Customer, Create Sales Order, Create Sales Receipt and Update customer. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from SOS Inventory to Quaderno?

Yes. When something happens in SOS Inventory, your agent can act in Quaderno too. This page covers both directions: SOS Inventory's triggers and Quaderno's actions are listed here as well.

###

### Do I have to build a connector for Quaderno or SOS Inventory?

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 SOS Inventory 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.
