Integration
Connect QuickBooks Online to Harpoon
When something happens in QuickBooks Online, your agent does the next thing in Harpoon. Describe it in plain language and the automation is built, tested on every branch and kept running.
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What do you want QuickBooks Online and Harpoon to do together?
Describe it and your agent reads both APIs, builds the automation, tests every branch and ships it. The list below is what exists today, not the limit.
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Connect Claude CodeEverything your agent can do with QuickBooks Online and Harpoon
Triggers and actions 20 triggers · 90 actions
Trigger
New billPolls for newly created bills (accounts payable), most recent first.
Trigger
New customerPolls for newly created customers, most recent first.
Trigger
New estimateFires when a new estimate is created in QuickBooks Online.
Trigger
New invoicePolls for newly created invoices, most recent first.
Trigger
New or updated customerFires when a QuickBooks customer is created or any of its details change.
Trigger
New or updated estimateFires when a QuickBooks estimate is created or edited.
Trigger
New or updated invoiceFires when a QuickBooks invoice is created or edited — line items, amounts, due date, or status.
Trigger
New or updated itemFires when a QuickBooks product or service item is created or edited.
Trigger
New or updated vendorFires when a QuickBooks vendor is created or any of its details change.
Trigger
New paid invoicePolls for invoices that are fully paid (Balance = 0), most recently updated first.
Trigger
New paymentPolls for newly created customer payments, most recent first.
Action
Create accountCreate an account in the QuickBooks chart of accounts — name, account type, and detail type.
Action
Create billCreates a new bill (accounts payable) for a vendor with a single account-based line item.
Action
Create credit memoCreates a new credit memo for a customer with a single line item.
Action
Create customerCreates a new customer in QuickBooks Online.
Action
Create estimateCreate a QuickBooks Online estimate (quote) for a customer.
Action
Create expense (purchase)Creates a new expense (Purchase) paid from a bank/credit-card account with one account-based line.
Action
Create invoiceCreates a new invoice for a customer with a single line item.
Action
Create item (product/service)Creates a new product or service item.
Action
Create journal entryCreate a QuickBooks journal entry with balanced debit and credit lines against the chart of accounts.
Action
Create paymentRecords a customer payment, optionally applied against a specific invoice.
Action
Create refund receiptCreates a new refund receipt for a customer with a single line item.
Action
Create sales receiptCreates a new sales receipt for a customer with a single line item.
Action
Create vendorCreates a new vendor in QuickBooks Online.
Action
Delete billPermanently delete a QuickBooks bill by Id.
Action
Delete credit memoPermanently delete a QuickBooks credit memo by Id.
Action
Delete estimatePermanently delete a QuickBooks estimate by Id.
Action
Delete invoicePermanently delete a QuickBooks invoice by Id. Unlike voiding, this removes the transaction entirely.
Action
Delete sales receiptPermanently delete a QuickBooks sales receipt by Id.
Action
Find account by nameLook up an account in the QuickBooks chart of accounts by its name.
Action
Find customer by nameSearches for a customer by display name and returns its Id and SyncToken.
Action
Find invoice by numberLook up a QuickBooks invoice by its document number (the invoice number customers see) rather than its internal Id.
Action
Find item by nameLook up a QuickBooks product or service item by its name.
Action
Find vendor by nameLook up a QuickBooks Online vendor by display name.
Action
Get bill balanceReturns the outstanding balance for a bill by its Id.
Action
Get customer by IDRetrieves a single customer by its Id.
Action
Get estimate by IDRetrieve a QuickBooks Online estimate by its ID.
Action
Get estimate PDFDownload the rendered PDF of a QuickBooks estimate by Id.
Action
Get invoice by IDRetrieves a single invoice by its Id, including its balance.
Action
Get invoice PDFDownload the rendered PDF of a QuickBooks invoice by Id, for emailing or archiving.
Action
List accountsList the accounts in the QuickBooks chart of accounts, with their type, detail type, and current balance.
Action
List attachmentsList the files attached to a QuickBooks transaction or record, with their download links.
Action
List employeesList employees recorded in QuickBooks Online.
Action
List itemsList products and services (items) defined in QuickBooks Online.
Action
Pay billRecords a bill payment against a vendor bill, paid from the specified bank/credit-card account.
Action
Run queryRuns an arbitrary read-only QuickBooks Online query (QBO SQL-like syntax) and returns the raw QueryResponse.
Action
Send estimateEmail a QuickBooks Online estimate to the customer.
Action
Send invoiceEmails an invoice to the supplied email address (or the invoice's billing email if omitted).
Action
Update customerUpdates an existing customer (sparse update). Requires the customer Id and current SyncToken.
Action
Update estimateUpdate an existing QuickBooks estimate by Id, changing only the fields supplied.
Action
Update invoiceUpdate an existing QuickBooks invoice by Id — a sparse update that changes only the fields supplied and leaves the rest of the invoice intact.
Action
Update itemUpdate an existing QuickBooks product or service item by Id — name, description, price, income account, or active flag.
Action
Update vendorUpdate an existing QuickBooks vendor by Id — contact details, billing address, terms, or active flag.
Action
Upload attachmentUpload a file to QuickBooks and attach it to a transaction or record — a receipt on an expense, a contract on an invoice.
Action
Void invoiceVoids an existing invoice. Requires the invoice Id and current SyncToken.
Action
Void paymentVoids an existing customer payment. Requires the payment Id and current SyncToken.
Trigger
New ClientTriggered when a new client is created in Harpoon.
Trigger
New ContactTriggered when a new contact is created in Harpoon.
Trigger
New ExpenseTriggered when a new expense is created in your Harpoon account.
Trigger
New Expense CategoryTriggered when a new expense category is created in Harpoon.
Trigger
New InvoiceTriggered when a new invoice is created in Harpoon.
Trigger
New PaymentTriggered when a new payment is recorded in your Harpoon account.
Trigger
New ProjectTriggered when a new project is created in Harpoon.
Trigger
New Task CategoryTriggered when a new task category is added in your Harpoon account.
Trigger
New Time EntryTriggered when a new time entry is logged in Harpoon.
Action
Add Credit EntryCreates a new credit entry on a client's account in Harpoon, recording an amount, a date and an optional note or originating invoice. Returns the credit entry that was created.
Action
Add InvoiceCreates a new invoice in Harpoon for a client or project, with an invoice number, issue date, and optional line items. Returns the invoice that was created.
Action
Add Lead SourceCreates a new lead source in Harpoon, so new clients can be tagged with where they came from. Returns the lead source that was created.
Action
Add NoteAdds a note to a client, project or invoice in Harpoon. Returns the note that was created.
Action
Add TeamCreates a new team in your Harpoon account. Harpoon populates the new team from your account details; the API accepts no team attributes on creation.
Action
Clone Time EntryCreates a copy of an existing time entry in Harpoon. The copy keeps the original's project, task and description, and starts with today's date and zero hours logged.
Action
Create ContactCreates a contact person under a Harpoon client, with their name, email address, and phone number. Returns the contact that was created.
Action
Create ExpenseRecords a one-off expense in Harpoon with its date, amount, and vendor, optionally attributed to a client, project, or expense category. Returns the expense that was created.
Action
Create Expense CategoryCreates a new expense category in your Harpoon account so expenses can be grouped under it.
Action
Create ProjectCreates a project in Harpoon for a client, with its budget, rate, and start and end dates. Returns the project that was created.
Action
Create Time EntryLogs hours worked in Harpoon for a team member on a given date, optionally against a client or project. Returns the time entry that was created.
Action
Delete ClientDeletes a client from your Harpoon account.
Action
Delete ExpensePermanently deletes an expense from your Harpoon account.
Action
Delete InvoicePermanently removes an invoice from Harpoon. Returns Harpoon's confirmation that the invoice was deleted.
Action
Delete NoteDeletes a note from your Harpoon account.
Action
Delete Recurring ExpenseDeletes a recurring expense template from Harpoon by its id, so it stops generating new expenses.
Action
Delete Recurring InvoiceStops and removes a recurring invoice schedule in Harpoon so it no longer generates invoices. Returns Harpoon's confirmation that it was deleted.
Action
Delete Time EntryDeletes a time entry from your Harpoon account.
Action
Get ClientReturns a single client from your Harpoon account, including its name, contact details and other stored attributes.
Action
Get Client CreditsReturns a client's credit entries in Harpoon, along with the credit still available on the account.
Action
Get ContactReturns a single Harpoon contact, including their name, email address, phone number, and the client they belong to.
Action
Get EstimateReturns a single estimate from your Harpoon account, including its client, line items, totals and status.
Action
Get ExpenseReturns a single expense from your Harpoon account, including its amount, date, vendor, category and the client or project it is attached to.
Action
Get Expense CategoryReturns a single Harpoon expense category with every detail it carries, including its name and budget settings.
Action
Get InvoiceFetches one invoice from Harpoon by its id, with its client, line items and payment totals. An error occurs if the invoice is not found.
Action
Get Lead SourceReturns a single lead source from your Harpoon account.
Action
Get ProjectReturns a single project from your Harpoon account, including its client, budget and status.
Action
Get Recurring ExpenseFetches one recurring expense template from Harpoon by its id, with its vendor, amount, frequency and schedule. An error occurs if it is not found.
Action
Get Recurring InvoiceReturns a single recurring invoice schedule from Harpoon, including its client, frequency, dates, and line items.
Action
Get TaskReturns a single task category from your Harpoon account, including its name and hourly rate.
Action
Get TeamReturns a single team from your Harpoon account, including its name, email address, phone, address, owner and whether it is active.
Action
Get Time EntryReturns a single tracked time entry from your Harpoon account, including its date, hours, client, project and notes.
Action
List ContactsReturns the contacts in your Harpoon account, including each contact's name, email address and phone number.
Action
List EstimatesReturns the estimates in a Harpoon account, optionally narrowed to a year, client, project, status, or search text.
Action
List Expense CategoriesReturns the expense categories set up in Harpoon, each with its budget settings.
Action
List ExpensesReturns the expenses in your Harpoon account, optionally narrowed by date range, client, project, category, billing status or search text.
Action
List ProjectsReturns the projects in a Harpoon account, with their client, budget, rate, and dates.
Action
List TeamsReturns the teams in your Harpoon account, along with the total number of teams found.
Action
List Time EntriesReturns time entries from your Harpoon account — either the timers running now or logged history for a date range — optionally narrowed by client, project, task, team member or billing status.
Action
Update ExpenseUpdates an existing expense in your Harpoon account. Only the values you supply are changed.
Action
Update InvoiceUpdates an existing invoice in your Harpoon account. Only the values you supply are changed.
Action
Update ProjectUpdates an existing project in Harpoon — its name, client, billing type, status, dates, budget and task rates. Returns the updated project.
Action
Update Recurring ExpenseUpdates a recurring expense in Harpoon — its vendor, amount, frequency, category, dates, and status. Anything left blank keeps its current value. Returns the updated recurring expense.
Action
Update Recurring InvoiceUpdates an existing recurring invoice template in your Harpoon account. Only the values you supply are changed.
Action
Update Time EntryUpdates an existing time entry in Harpoon — its date, hours, description, project, task or billing state.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
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