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What do you want OnceHub and Shift4 to do together?
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Claude Code
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Claude Code guide (opens in a new tab)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)Cursor
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Setup guide (opens in a new tab)Zed
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Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
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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)Example flows
What OnceHub can start in Shift4
When Booking Completed in OnceHub
then Add card in Shift4
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 Shift4
Triggers and actions 15 triggers · 38 actions
- Booking Canceled
Triggers when a OnceHub booking is canceled by the customer or by someone on your team.
- Booking Cancelled and Rescheduled
Triggers when a customer cancels a OnceHub booking and then reschedules it on a different booking page.
- Booking Completed
Triggers when a OnceHub booking's end time has passed and the meeting is marked completed.
- 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.
- Booking No-Show
Triggers when a OnceHub booking is marked as a no-show.
- Booking Rescheduled
Triggers when a OnceHub booking is rescheduled to a new time.
- Booking Scheduled
Triggers when a new OnceHub booking is scheduled.
- Contact Captured
Triggers when a new contact is captured in OnceHub.
- Contact Lifecycle Event
Triggers whenever a OnceHub contact is created or changed, so you catch the whole contact lifecycle in one place.
- Contact Updated
Triggers when an existing OnceHub contact is updated.
- Conversation Abandoned
Triggers when a website visitor stops replying to a OnceHub chatbot for more than ten minutes and the conversation is abandoned.
- Conversation Closed
Triggers when a OnceHub chatbot conversation is closed.
- Conversation Lifecycle Event
Triggers on any OnceHub conversation event — started, closed or abandoned — with the event name included so you can branch on it.
- Conversation Started
Triggers when a website visitor sends their first message to a OnceHub chatbot and a conversation starts.
- Reassigned Booking
Triggers when a OnceHub booking is reassigned to a different host.
- Cancel Booking
Cancels a OnceHub booking, optionally with a reason and without emailing the customer.
- Create Contact
Creates a new contact in OnceHub. Give at least an email address or a mobile number.
- 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.
- Delete Contact
Deletes a contact from OnceHub.
- Find Contact
Finds a OnceHub contact by email address.
- Get Available Time Slots
Returns the open meeting times on a OnceHub booking calendar for the window you choose.
- Get Booking Calendar
Returns one OnceHub booking calendar with its host, public link and meeting length.
- Get Booking Details
Returns one OnceHub booking with its time, customer details and booking form answers.
- Get Contact
Returns one OnceHub contact with its details and custom fields.
- Get Contact's Future Meetings
Returns a contact's upcoming OnceHub meetings — the bookings that start after the time you give.
- List Booking Calendars
Lists the booking calendars in your OnceHub account.
- List Bookings
Lists OnceHub bookings, with optional filters for status, contact, host, calendar and date range.
- List Contacts
Lists the contacts in your OnceHub account, with optional email and date filters.
- Mark Booking as No-Show
Marks a OnceHub booking as a no-show.
- Reassign Booking
Reassigns a OnceHub booking to a different host, optionally naming the video conferencing service to use.
- Request Reschedule
Asks the customer to pick a new time for a OnceHub booking, optionally telling them why.
- Update Contact
Updates an existing OnceHub contact. Only the fields you fill in are changed; anything left blank keeps its current value.
- Add card
Saves a credit or debit card to an existing Shift4 customer, either from a card token / successful charge, or from full card details.
- Add charge
Creates a new charge to a customer or card.
- Add customer
Creates a new customer in Shift4, optionally saving a card to them as their default card.
- Add plan
Creates a new subscription plan that customers can be subscribed to.
- Add refund
Refunds an existing charge in full or in part, returning the funds to the card that was charged.
- Add subscription
Creates a subscription that bills a customer automatically according to a plan.
- Delete card
Deletes a saved card from a Shift4 customer. If the deleted card was the customer's default, the most recently added card becomes the new default.
- Delete customer
Deletes an existing Shift4 customer.
- Delete plan
Deletes a plan by ID.
- Delete subscription
Cancels/deletes an existing subscription by ID.
- Get charge
Fetches a charge by ID.
- Get customer
Fetches a customer by ID.
- Get dispute
Fetches a dispute by ID.
- Get plan
Fetches a plan by ID.
- Get refund
Retrieves an existing Shift4 refund by its id.
- Get subscription
Fetches a subscription by ID.
- List cards
Lists the saved cards of a Shift4 customer, most recently created first.
- List refunds
Returns all refunds.
- Update charge
Updates an existing Shift4 charge's customer, description, shipping, billing, fraud status or metadata. Fields left blank are unchanged.
- Update customer
Updates an existing Shift4 customer. Any field left blank is left unchanged.
- Update subscription
Updates an existing subscription. Any field left blank is left unchanged.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
OnceHub and Shift4, 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 Shift4 when something happens in OnceHub?
Any of Shift4's 21 actions, including Update charge, Update customer, Update subscription and Add card. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Shift4 to OnceHub?
Shift4 has no triggers in the catalog today, so automations start in OnceHub. If you need the other direction, ask: your agent reads Shift4's API documentation and adds it.
Do I have to build a connector for OnceHub or Shift4?
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.
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.