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

# Connect Call Loop 2.0 and OnceHub

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 [OnceHub](https://apiant.ai/connections/oncehub), or **Booking Completed** in OnceHub 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 OnceHub **15** triggers OnceHub **17** 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 OnceHub 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 OnceHub can do together

### From Call Loop 2.0 to OnceHub

- When **Contact Added to List** in Call Loop 2.0 then **Create Contact** in OnceHub
- When **Contact Created or Updated** in Call Loop 2.0 then **Update Contact** in OnceHub

### From OnceHub to Call Loop 2.0

- When **Booking Completed** in OnceHub then **Create (Update) Contact** in Call Loop 2.0
- When **Contact Updated** in OnceHub then **Update contact** 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 OnceHub

## Triggers and actions 17 triggers · 30 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

**Booking Canceled**

Triggers when a OnceHub booking is canceled by the customer or by someone on your team.

- Trigger

**Booking Cancelled and Rescheduled**

Triggers when a customer cancels a OnceHub booking and then reschedules it on a different booking page.

- Trigger

**Booking Completed**

Triggers when a OnceHub booking's end time has passed and the meeting is marked completed.

- Trigger

**Booking Lifecycle Event**

Triggers on any OnceHub booking event — scheduled, rescheduled, reassigned, canceled, completed or no-show — with the event name included so you can branch on it.

- Trigger

**Booking No-Show**

Triggers when a OnceHub booking is marked as a no-show.

- Trigger

**Booking Rescheduled**

Triggers when a OnceHub booking is rescheduled to a new time.

- Trigger

**Booking Scheduled**

Triggers when a new OnceHub booking is scheduled.

- Trigger

**Contact Captured**

Triggers when a new contact is captured in OnceHub.

- Trigger

**Contact Lifecycle Event**

Triggers whenever a OnceHub contact is created or changed, so you catch the whole contact lifecycle in one place.

- Trigger

**Contact Updated**

Triggers when an existing OnceHub contact is updated.

- Trigger

**Conversation Abandoned**

Triggers when a website visitor stops replying to a OnceHub chatbot for more than ten minutes and the conversation is abandoned.

- Trigger

**Conversation Closed**

Triggers when a OnceHub chatbot conversation is closed.

- Trigger

**Conversation Lifecycle Event**

Triggers on any OnceHub conversation event — started, closed or abandoned — with the event name included so you can branch on it.

- Trigger

**Conversation Started**

Triggers when a website visitor sends their first message to a OnceHub chatbot and a conversation starts.

- Trigger

**Reassigned Booking**

Triggers when a OnceHub booking is reassigned to a different host.

- Action

**Cancel Booking**

Cancels a OnceHub booking, optionally with a reason and without emailing the customer.

- Action

**Create Contact**

Creates a new contact in OnceHub. Give at least an email address or a mobile number.

- Action

**Create One-Time Booking Link**

Creates a one-time booking link for a published OnceHub booking calendar, optionally prefilling the booking form and pinning the host or duration.

- Action

**Delete Contact**

Deletes a contact from OnceHub.

- Action

**Find Contact**

Finds a OnceHub contact by email address.

- Action

**Get Available Time Slots**

Returns the open meeting times on a OnceHub booking calendar for the window you choose.

- Action

**Get Booking Calendar**

Returns one OnceHub booking calendar with its host, public link and meeting length.

- Action

**Get Booking Details**

Returns one OnceHub booking with its time, customer details and booking form answers.

- Action

**Get Contact**

Returns one OnceHub contact with its details and custom fields.

- Action

**Get Contact's Future Meetings**

Returns a contact's upcoming OnceHub meetings — the bookings that start after the time you give.

- Action

**List Booking Calendars**

Lists the booking calendars in your OnceHub account.

- Action

**List Bookings**

Lists OnceHub bookings, with optional filters for status, contact, host, calendar and date range.

- Action

**List Contacts**

Lists the contacts in your OnceHub account, with optional email and date filters.

- Action

**Mark Booking as No-Show**

Marks a OnceHub booking as a no-show.

- Action

**Reassign Booking**

Reassigns a OnceHub booking to a different host, optionally naming the video conferencing service to use.

- Action

**Request Reschedule**

Asks the customer to pick a new time for a OnceHub booking, optionally telling them why.

- Action

**Update Contact**

Updates an existing OnceHub contact. Only the fields you fill in are changed; anything left blank keeps its current value.

## 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)
- [ **OnceHub** Capture, qualify, and engage with inbound leads using ScheduleOnce, ChatOnce, FormOnce and SubmitOnce.](https://apiant.ai/connections/oncehub)

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 OnceHub

- [ **Alegra to OnceHub** Alegra is an accounting and billing app designed for Latin American managers.](https://apiant.ai/connect/alegra-to-oncehub)
- [ **Breeze to OnceHub** Breeze is a simple project management tool that enables teams to plan, track and organize their work.](https://apiant.ai/connect/breeze-to-oncehub)
- [ **Google Sheets to OnceHub** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-oncehub)
- [ **Google Calendar to OnceHub** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-oncehub)
- [ **Google Drive to OnceHub** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-oncehub)
- [ **Notion to OnceHub** A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team.](https://apiant.ai/connect/notion-to-oncehub)

Questions

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

Any of OnceHub's 17 actions, including Create Contact, Create One-Time Booking Link, Update Contact and Find Contact. Your agent maps the data both ways and tests every scenario before it ships.

###

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

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

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 OnceHub 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.
