Integration
Connect CalendarLink and FreshBooks
When New Upcoming Event fires in CalendarLink, your agent runs Add Payment to Invoice in FreshBooks, or New Bill in FreshBooks to List Contacts in CalendarLink. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want CalendarLink and FreshBooks to do together?
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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.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
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
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)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)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)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)Example flows
What CalendarLink and FreshBooks can do together
From CalendarLink to FreshBooks
When New Upcoming Event in CalendarLink
then Add Payment to Invoice in FreshBooks
When New Upcoming Event in CalendarLink
then Create Invoice in FreshBooks
From FreshBooks to CalendarLink
When New Bill in FreshBooks
then List Contacts in CalendarLink
When New Client in FreshBooks
then Create New Event in CalendarLink
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 CalendarLink and FreshBooks
Triggers and actions 17 triggers · 37 actions
Trigger
New Upcoming EventTriggered when a new upcoming event is added to your CalendarLink organisation.
Action
Create New EventCreates an event in a CalendarLink collection and returns its add-to-calendar link. Times use the format 2026-09-01 09:00:00. Optionally turns on RSVP with a deadline, attendee limit and notification settings.
Action
Find EventSearches your CalendarLink events for one whose title contains the text you give, and returns the first match with its add-to-calendar link, times and RSVP counts.
Action
List ContactsReturns a page of the contacts in your CalendarLink organisation, 15 per page, along with how many pages there are.
Action
List Event CollectionsReturns every event collection in your CalendarLink organisation, with each collection's ID, name, description, public link and event count.
Action
List Event RegistrationsReturns a page of the people who signed up for one CalendarLink event, 15 per page. The event must have RSVP turned on.
Action
List Past EventsReturns a page of your CalendarLink events that have already finished, 15 per page, newest first.
Action
List Upcoming EventsReturns a page of your CalendarLink events that have not happened yet, 15 per page.
Action
Update Event CollectionChanges the settings of one CalendarLink event collection — its name, description, appearance, what visitors can add and whether sign-up is required. Only the fields you fill in are changed; the rest keep their current values.
Trigger
New BillTriggers when a new bill is created in FreshBooks.
Trigger
New ClientTriggers when a new client is created in FreshBooks.
Trigger
New Credit NoteTriggers when a new credit note is created in your FreshBooks account.
Trigger
New EstimateTriggers when a new estimate is created in FreshBooks.
Trigger
New ExpenseTriggers when a new expense is recorded in FreshBooks.
Trigger
New Filtered InvoiceTriggers when a new invoice matching your chosen filters (client, status, currency, amount, and more) is created in FreshBooks.
Trigger
New InvoiceTriggers when a new invoice is created in FreshBooks.
Trigger
New Invoice PaymentTriggers when a new invoice payment is created.
Trigger
New ProjectTriggers when a new project is created in FreshBooks.
Trigger
New Staff MemberTriggers when a new staff member is added to your FreshBooks business.
Trigger
New Time EntryTriggers when a new time entry is created in FreshBooks.
Trigger
New VendorTriggers when a new bill vendor is created in FreshBooks.
Trigger
Updated BillTriggers when a bill is updated in FreshBooks. Returns the id of the updated bill and the account, business and user it belongs to.
Trigger
Updated EstimateTriggers when an estimate is updated.
Trigger
Updated InvoiceTriggers when an invoice is updated in FreshBooks.
Trigger
Updated VendorTriggers when a bill vendor is updated in FreshBooks.
Action
Add Payment to InvoiceRecords a payment against a FreshBooks invoice and returns the created payment.
Action
Create BillCreates a bill in FreshBooks recording what your business owes a vendor, with its line items.
Action
Create ClientCreates a new client in your FreshBooks business, with contact details, billing and shipping addresses, and optional secondary contacts.
Action
Create Credit NoteCreates a credit note or prepayment credit for a client in FreshBooks.
Action
Create EstimateCreates a new estimate for a client in FreshBooks, optionally with line items.
Action
Create ExpenseCreates an expense in your FreshBooks business, with its amount, category, date and optional vendor, client, project and taxes.
Action
Create InvoiceCreates a new invoice for a client in FreshBooks, with optional line items, terms and notes. New invoices start as drafts unless a status is given.
Action
Create Invoice PDFReturns the PDF of an existing FreshBooks invoice as a file you can attach or store.
Action
Create or Update ClientUpdates an existing FreshBooks client (by Client ID, or by matching email) or creates a new client when none matches.
Action
Create or Update InvoiceUpdates an existing FreshBooks invoice (by Invoice ID, or by matching Invoice Number), or creates a new invoice when none matches.
Action
Create Other IncomeRecords income received outside of an invoice, such as online store sales, rentals or advertising, in FreshBooks.
Action
Create ProjectCreates a new project in FreshBooks, optionally linked to a client, with a fixed price or hourly rate.
Action
Create Recurring InvoiceCreates a recurring invoice profile in FreshBooks that generates invoices for a client on a set schedule.
Action
Create Time EntryCreates a time entry recording time spent working for a client or project in FreshBooks.
Action
Create VendorCreates a bill vendor (a supplier you receive bills from) in your FreshBooks business.
Action
Find BillFinds bills in FreshBooks by id, vendor, status or currency and returns the matches.
Action
Find ClientFinds clients in your FreshBooks business by email, name, organization, phone or other details, and returns the matches.
Action
Find Credit NoteFinds a credit note in FreshBooks by its id and returns the credit note's details.
Action
Find EstimateFinds estimates in FreshBooks matching an estimate number, client, status, notes, date or amount range, and other criteria.
Action
Find InvoiceFinds invoices in your FreshBooks account matching the criteria you give, such as invoice number, client, status, dates or amounts.
Action
Find ProjectFinds FreshBooks projects whose title contains the given text, optionally limited to active or completed projects.
Action
Find VendorFinds bill vendors in your FreshBooks account whose business name matches the text you give.
Action
Send EstimateEmails an existing estimate to the listed recipients and marks it as sent.
Action
Send InvoiceEmails an existing invoice to the recipients you choose and marks it as sent.
Action
Update BillUpdates an existing bill from a vendor, such as its dates, bill number, line items or status.
Action
Update Credit NoteUpdates an existing credit note in FreshBooks, changing only the details you fill in.
Action
Update EstimateUpdates an existing FreshBooks estimate's client, dates, address details, notes, terms or line items. Only the fields you fill in are changed.
Action
Update Time EntryUpdates an existing time entry in FreshBooks, such as its duration, note, client or project.
Action
Update VendorUpdates an existing bill vendor's name, contact details, address and preferences. Fields left blank are not changed.
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
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Questions
CalendarLink and FreshBooks, answered
What can start an automation from CalendarLink?
Any of CalendarLink's 1 trigger in the catalog, including New Upcoming Event. Describe the moment in plain language and your agent picks the right one.
What can your agent do in FreshBooks when something happens in CalendarLink?
Any of FreshBooks's 29 actions, including Create Bill, Create Client, Create Credit Note and Create Estimate. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from FreshBooks to CalendarLink?
Yes. When something happens in FreshBooks, your agent can act in CalendarLink too. This page covers both directions: FreshBooks's triggers and CalendarLink's actions are listed here as well.
Do I have to build a connector for CalendarLink or FreshBooks?
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 CalendarLink and FreshBooks 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.