---
title: "Connect Call Loop 2.0 and Quaderno - APIANT.ai"
description: "When \"Contact Added to List\" fires in Call Loop 2.0, your agent runs \"Create Contact\" in Quaderno."
canonical: "https://apiant.ai/connect/call-loop-2-0-to-quaderno"
---

# Connect Call Loop 2.0 and Quaderno

When **Contact Added to List** fires in [Call Loop 2.0](https://apiant.ai/connections/call-loop-2-0), your agent runs **Create Contact** in [Quaderno](https://apiant.ai/connections/quaderno), or **New Contact** in Quaderno to **Create (Update) Contact** in Call Loop 2.0. Describe the whole flow and it is built, tested on every scenario and kept running.

Call Loop 2.0 **2** triggers Call Loop 2.0 **13** actions Quaderno **3** triggers Quaderno **24** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want Call Loop 2.0 and Quaderno 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 Call Loop 2.0 and Quaderno can do together

### From Call Loop 2.0 to Quaderno

- When **Contact Added to List** in Call Loop 2.0 then **Create Contact** in Quaderno
- When **Contact Created or Updated** in Call Loop 2.0 then **Add invoice payment** in Quaderno

### From Quaderno to Call Loop 2.0

- When **New Contact** in Quaderno then **Create (Update) Contact** in Call Loop 2.0
- When **New Invoice** in Quaderno then **Send SMS / MMS Message** in Call Loop 2.0

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 Call Loop 2.0 and Quaderno

## Triggers and actions 5 triggers · 37 actions

- Trigger

**Contact Added to List**

Triggers when a contact is added to the selected Call Loop list.

- Trigger

**Contact Created or Updated**

Triggers when a contact is created or updated in Call Loop.

- Action

**Add list**

Creates a new contact list in Call Loop and returns the created list.

- Action

**Create (Update) Contact**

Creates a contact, or updates the existing contact with the same phone number, and returns the saved contact.

- Action

**Delete contact**

Permanently deletes one or more contacts by ID and returns a confirmation with the number deleted.

- Action

**Find contacts by search term**

Returns the Call Loop contacts that match a search term, optionally narrowed by status and subscription state.

- Action

**Get contact**

Returns one Call Loop contact by its ID, including its status, subscription state, lists, custom field values and messaging activity. An error occurs if the contact is not found.

- Action

**Get message**

Returns a message's current delivery status and details, looked up by its ID or state UUID. An error occurs if the message is not found.

- Action

**List contacts**

Returns the contacts in your Call Loop organization, optionally filtered by status, search text or subscription state. Deleted contacts are not included.

- Action

**Send Ringless Voicemail**

Queues a ringless voicemail drop to a phone number using an audio file already in your Call Loop account. Returns the queued message and its delivery state.

- Action

**Send SMS / MMS Message**

Queues one SMS or MMS message to a phone number from a number on your Call Loop account, and returns the queued message with its status.

- Action

**Send Voice Broadcast**

Queues one outbound voice call to a phone number, playing an uploaded audio file on live answer, as a voicemail, or both. Returns the queued message and its status.

- Action

**Update contact**

Updates an existing Call Loop contact by ID, changing only the fields you fill in, and returns the saved contact.

- Action

**Update list**

Renames an existing contact list and returns the updated list.

- Action

**Update Opt-In Status**

Sets whether one contact is subscribed to text messages and to calls and ringless voicemail. No message is sent.

- 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.

## Each app on its own

- [ **Call Loop 2.0** Call Loop is an all-in-one SMS Texting, Voice Broadcasts, & Ringless Voicemail platform.](https://apiant.ai/connections/call-loop-2-0)
- [ **Quaderno** Quaderno is a tax software that handles sales tax, VAT, and GST for your online business.](https://apiant.ai/connections/quaderno)

Reviews

## What our customers say

## More from Call Loop 2.0

- [ **Call Loop 2.0 to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/call-loop-2-0-to-hubspot)
- [ **Call Loop 2.0 to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/call-loop-2-0-to-salesforce)
- [ **Call Loop 2.0 to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/call-loop-2-0-to-slack)
- [ **Call Loop 2.0 to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/call-loop-2-0-to-google-sheets)
- [ **Call Loop 2.0 to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/call-loop-2-0-to-gmail)
- [ **Call Loop 2.0 to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/call-loop-2-0-to-google-calendar)

## More into Quaderno

- [ **HubSpot to Quaderno** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-quaderno)
- [ **Google Sheets to Quaderno** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-quaderno)
- [ **Gmail to Quaderno** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-quaderno)
- [ **Google Calendar to Quaderno** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-quaderno)
- [ **Google Drive to Quaderno** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-quaderno)
- [ **Mailchimp to Quaderno** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-quaderno)

Questions

## Call Loop 2.0 and Quaderno, answered

###

### What can start an automation from Call Loop 2.0?

Any of Call Loop 2.0's 2 triggers in the catalog, including Contact Added to List and Contact Created or Updated. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in Quaderno when something happens in Call Loop 2.0?

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 Call Loop 2.0?

Yes. When something happens in Quaderno, your agent can act in Call Loop 2.0 too. This page covers both directions: Quaderno's triggers and Call Loop 2.0's actions are listed here as well.

###

### Do I have to build a connector for Call Loop 2.0 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 Call Loop 2.0 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.
