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

# Connect Call Loop 2.0 and Karbon

When **Contact Added to List** fires in [Call Loop 2.0](https://apiant.ai/connections/call-loop-2-0), your agent runs **Create Organization Contact** in [Karbon](https://apiant.ai/connections/karbon), or **New work item** in Karbon 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 Karbon **1** trigger Karbon **16** 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 Karbon 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 Karbon can do together

### From Call Loop 2.0 to Karbon

- When **Contact Added to List** in Call Loop 2.0 then **Create Organization Contact** in Karbon
- When **Contact Created or Updated** in Call Loop 2.0 then **Create Person Contact** in Karbon

### From Karbon to Call Loop 2.0

- When **New work item** in Karbon then **Create (Update) Contact** in Call Loop 2.0
- When **New work item** in Karbon 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 Karbon

## Triggers and actions 3 triggers · 29 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 work item**

Triggers when a new work item is created in Karbon.

- Action

**Add client group**

Creates a new client group in Karbon, optionally with members, owner, manager and client team.

- Action

**Add note**

Creates a note in Karbon, optionally assigned to a user and linked to work items, contacts, organizations or client groups.

- Action

**Add work item**

Creates a new work item for a client in Karbon.

- Action

**Create Organization Contact**

Creates a new Organization contact in Karbon.

- Action

**Create Person Contact**

Creates a new person Contact in Karbon and returns the created Contact record.

- Action

**Find an Organization Contact**

Finds Organization contacts in Karbon matching a full name, email address, external key or contact type, and returns the matching organizations.

- Action

**Find a Person Contact**

Finds person contacts in Karbon by email address, full name, phone number, contact type or external key, and returns the matches.

- Action

**Get work item**

Returns the details of a single Karbon work item, including its client, dates, status, fee settings and role assignments.

- Action

**List invoices**

Returns the invoices in your Karbon account, optionally filtered by invoice status and sorted.

- Action

**List timesheets**

Returns a list of timesheets from your Karbon account, optionally filtered by date, user, work item or status, with their time entries if requested.

- Action

**List users**

Returns the users in your Karbon account, optionally filtered by name or email address.

- Action

**List work items**

Returns the work items in your Karbon account, optionally filtered and sorted.

- Action

**Update client group**

Renames an existing Karbon client group by changing its full name.

- Action

**Update Organization Contact**

Updates the name or privacy level of an existing Organization contact in Karbon.

- Action

**Update Person Contact**

Updates the name details or privacy level of an existing Person Contact in Karbon.

- Action

**Update work item**

Updates a Karbon work item's title, description, dates, assignee, work type, role assignments or status. Fields left blank are not changed.

## 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)
- [ **Karbon** Karbon is the collaborative practice management platform for accounting firms.](https://apiant.ai/connections/karbon)

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 Karbon

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

Questions

## Call Loop 2.0 and Karbon, 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 Karbon when something happens in Call Loop 2.0?

Any of Karbon's 16 actions, including Create Organization Contact, Create Person Contact, Update client group and Update Organization Contact. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Karbon to Call Loop 2.0?

Yes. When something happens in Karbon, your agent can act in Call Loop 2.0 too. This page covers both directions: Karbon'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 Karbon?

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 Karbon 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.
