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What do you want OnceHub and fastbill to do together?
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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 fastbill
When Booking Completed in OnceHub
then Add Payment for Invoice in fastbill
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 fastbill
Triggers and actions 15 triggers · 35 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 Payment for Invoice
Adds full payment for invoice
- Add Payment for Revenue
Adds full payment for revenue
- Create Customer
Creates a new customer in FastBill
- Create Invoice
Creates a new invoice
- Create Offer
Creates a new offer in FastBill
- Create Revenue
Creates a revenue entry
- Delete Customer
Delete a FastBill customer by ID.
- Delete Invoice
Delete a FastBill invoice by ID.
- Delete Offer
Delete a FastBill offer/estimate by ID.
- Finalize Invoice
Converts an invoice draft to a final invoice
- Get Customer
Fetch a single FastBill customer by ID.
- Get Invoice
Fetch a single FastBill invoice by ID.
- Get Offer
Fetch a single FastBill offer/estimate by ID.
- Search Customer
Search for a Customer
- Search Invoice
Find an invoice
- Send Invoice by Email
Send an invoice by email
- Update Customer
Update fields on an existing FastBill customer.
- Update Invoice
Update fields on an existing (draft) FastBill invoice.
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
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Questions
OnceHub and fastbill, 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 fastbill when something happens in OnceHub?
Any of fastbill's 18 actions, including Create Customer, Create Invoice, Create Offer and Create Revenue. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from fastbill to OnceHub?
fastbill has no triggers in the catalog today, so automations start in OnceHub. If you need the other direction, ask: your agent reads fastbill's API documentation and adds it.
Do I have to build a connector for OnceHub or fastbill?
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.