--- title: "Connect OnceHub to Tallytopia - APIANT.ai" description: "When \"Booking Completed\" fires in OnceHub, your agent runs \"Calculate age\" in Tallytopia." canonical: "https://apiant.ai/connect/oncehub-to-tallytopia" --- # Connect OnceHub to Tallytopia When **Booking Completed** fires in [OnceHub](https://apiant.ai/connections/oncehub), your agent runs **Calculate age** in [Tallytopia](https://apiant.ai/connections/tallytopia). Describe the whole flow and it is built, tested on every scenario and kept running. OnceHub **15** triggers OnceHub **17** actions Tallytopia **32** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want OnceHub and Tallytopia 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 OnceHub can start in Tallytopia - When **Booking Completed** in OnceHub then **Calculate age** in Tallytopia - When **Contact Updated** in OnceHub then **Calculate BMI** in Tallytopia 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 OnceHub and Tallytopia ## Triggers and actions 15 triggers · 49 actions - 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. - Action **Calculate age** Computes exact age (years/months/days) from a birth date. - Action **Calculate BMI** Computes Body Mass Index from height and weight. - Action **Calculate BMR** Computes Basal Metabolic Rate from age, sex, height, and weight. - Action **Calculate body fat percentage** Computes body fat percentage using the US Navy circumference method. - Action **Calculate break-even point** Computes the break-even unit volume/revenue from fixed costs, variable costs, and price. - Action **Calculate calories burned** Computes calories burned during an activity from duration, weight, and activity type. - Action **Calculate circle dimensions** Computes area, circumference, and diameter of a circle from a given measurement. - Action **Calculate compound interest** Computes compound interest growth of a principal over time. - Action **Calculate concrete needed** Computes cubic yards/volume of concrete needed for a slab from dimensions. - Action **Calculate days between dates** Computes the number of days between two given dates. - Action **Calculate discount** Computes the discounted price and savings from an original price and discount rate. - Action **Calculate fuel cost** Computes trip fuel cost from distance, fuel efficiency, and fuel price. - Action **Calculate ideal weight** Computes ideal body weight estimate from height and sex. - Action **Calculate loan repayment** Computes a loan repayment schedule/amount from principal, rate, and term. - Action **Calculate macros** Computes protein/carb/fat macronutrient targets from calorie goal and diet split. - Action **Calculate markup and margin** Computes markup percentage and profit margin from cost and selling price. - Action **Calculate mortgage payment** Computes a monthly mortgage payment from principal, rate, and term. - Action **Calculate ovulation date** Computes estimated ovulation and fertile window from cycle data. - Action **Calculate percentage** Computes a percentage of a value. - Action **Calculate percentage change** Computes the percentage increase or decrease between two values. - Action **Calculate pregnancy due date** Computes the estimated pregnancy due date from last menstrual period date. - Action **Calculate running pace** Computes pace per mile/km from distance and time. - Action **Calculate sales tax** Computes sales tax and total price from a base amount and tax rate. - Action **Calculate savings goal** Computes how much to save periodically to reach a savings target. - Action **Calculate square footage** Computes square footage of a room/area from its dimensions. - Action **Calculate TDEE** Computes Total Daily Energy Expenditure (daily calorie needs) from BMR and activity level. - Action **Calculate tip** Computes tip amount and per-person split from a bill total, tip percentage, and party size. - Action **Calculate triangle area** Computes the area of a triangle from base and height (or side lengths). - Action **Calculate VAT** Computes VAT-inclusive/exclusive amounts from a base value and rate. - Action **Get calculator** Describes one calculator's required inputs and the calculation steps it will perform, by slug. - Action **List calculators** Returns the full list of available Tallytopia calculators with their slugs and categories. - Action **Solve quadratic equation** Solves a quadratic equation's roots from its a/b/c coefficients. ## Each app on its own - [ **OnceHub** Capture, qualify, and engage with inbound leads using ScheduleOnce, ChatOnce, FormOnce and SubmitOnce.](https://apiant.ai/connections/oncehub) - [ **Tallytopia** Tallytopia is a hosted calculator service covering finance, health, mathematics, space and sports.](https://apiant.ai/connections/tallytopia) Reviews ## What our customers say ## More from OnceHub - [ **OnceHub to HeadshotPro** HeadshotPro is an AI Headshot Generator for Professional Headshots.](https://apiant.ai/connect/oncehub-to-headshotpro) - [ **OnceHub to Honeyhive** Observability and evaluation platform for tracing, testing, and monitoring AI agents in production.](https://apiant.ai/connect/oncehub-to-honeyhive) - [ **OnceHub to Powerlink** Cloud-based CRM platform (formerly Powerlink) for managing customer data, sales, and business workflows.](https://apiant.ai/connect/oncehub-to-powerlink) - [ **OnceHub to Zoho Calendar** Zoho Calendar is an online personal and business calendar app that helps you plan your schedule, track daily...](https://apiant.ai/connect/oncehub-to-zoho-calendar) - [ **OnceHub to Zoho Desk** Zoho Desk is web-based customer service software designed to help you focus more on creating customer...](https://apiant.ai/connect/oncehub-to-zoho-desk) - [ **OnceHub to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/oncehub-to-hubspot) ## More into Tallytopia - [ **HubSpot to Tallytopia** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-tallytopia) - [ **Salesforce to Tallytopia** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-tallytopia) - [ **Slack to Tallytopia** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-tallytopia) - [ **Google Sheets to Tallytopia** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-tallytopia) - [ **Gmail to Tallytopia** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-tallytopia) - [ **Google Calendar to Tallytopia** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-tallytopia) Questions ## OnceHub and Tallytopia, answered ### ### What can start an automation from OnceHub? Any of OnceHub's 15 triggers in the catalog, including Booking Completed, Contact Updated, Booking Lifecycle Event and Booking No-Show. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Tallytopia when something happens in OnceHub? Any of Tallytopia's 32 actions, including Calculate age, Calculate BMI, Calculate BMR and Calculate body fat percentage. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Tallytopia to OnceHub? Tallytopia has no triggers in the catalog today, so automations start in OnceHub. If you need the other direction, ask: your agent reads Tallytopia's API documentation and adds it. ### ### Do I have to build a connector for OnceHub or Tallytopia? 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 OnceHub and Tallytopia 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.