--- title: "Connect Harpoon and Pennylane - APIANT.ai" description: "When \"New Client\" fires in Harpoon, your agent runs \"Create Company Customer V2\" in Pennylane." canonical: "https://apiant.ai/connect/harpoon-to-pennylane" --- # Connect Harpoon and Pennylane When **New Client** fires in [Harpoon](https://apiant.ai/connections/harpoon), your agent runs **Create Company Customer V2** in [Pennylane](https://apiant.ai/connections/pennylane), or **New Billing Subscription V2** in Pennylane to **Add Invoice** in Harpoon. Describe the whole flow and it is built, tested on every scenario and kept running. Harpoon **9** triggers Harpoon **46** actions Pennylane **5** triggers Pennylane **34** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Harpoon and Pennylane 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 Harpoon and Pennylane can do together ### From Harpoon to Pennylane - When **New Client** in Harpoon then **Create Company Customer V2** in Pennylane - When **New Contact** in Harpoon then **Create Customer Invoice V2** in Pennylane ### From Pennylane to Harpoon - When **New Billing Subscription V2** in Pennylane then **Add Invoice** in Harpoon - When **New Customer Invoice V2** in Pennylane then **Add Lead Source** in Harpoon 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 Harpoon and Pennylane ## Triggers and actions 14 triggers · 80 actions - Trigger **New Client** Triggered when a new client is created in Harpoon. - Trigger **New Contact** Triggered when a new contact is created in Harpoon. - Trigger **New Expense** Triggered when a new expense is created in your Harpoon account. - Trigger **New Expense Category** Triggered when a new expense category is created in Harpoon. - Trigger **New Invoice** Triggered when a new invoice is created in Harpoon. - Trigger **New Payment** Triggered when a new payment is recorded in your Harpoon account. - Trigger **New Project** Triggered when a new project is created in Harpoon. - Trigger **New Task Category** Triggered when a new task category is added in your Harpoon account. - Trigger **New Time Entry** Triggered when a new time entry is logged in Harpoon. - Action **Add Credit Entry** Creates 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 Invoice** Creates 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 Source** Creates 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 Note** Adds a note to a client, project or invoice in Harpoon. Returns the note that was created. - Action **Add Team** Creates 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 Entry** Creates 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 Contact** Creates a contact person under a Harpoon client, with their name, email address, and phone number. Returns the contact that was created. - Action **Create Expense** Records 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 Category** Creates a new expense category in your Harpoon account so expenses can be grouped under it. - Action **Create Project** Creates 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 Entry** Logs 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 Client** Deletes a client from your Harpoon account. - Action **Delete Expense** Permanently deletes an expense from your Harpoon account. - Action **Delete Invoice** Permanently removes an invoice from Harpoon. Returns Harpoon's confirmation that the invoice was deleted. - Action **Delete Note** Deletes a note from your Harpoon account. - Action **Delete Recurring Expense** Deletes a recurring expense template from Harpoon by its id, so it stops generating new expenses. - Action **Delete Recurring Invoice** Stops 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 Entry** Deletes a time entry from your Harpoon account. - Action **Get Client** Returns a single client from your Harpoon account, including its name, contact details and other stored attributes. - Action **Get Client Credits** Returns a client's credit entries in Harpoon, along with the credit still available on the account. - Action **Get Contact** Returns a single Harpoon contact, including their name, email address, phone number, and the client they belong to. - Action **Get Estimate** Returns a single estimate from your Harpoon account, including its client, line items, totals and status. - Action **Get Expense** Returns 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 Category** Returns a single Harpoon expense category with every detail it carries, including its name and budget settings. - Action **Get Invoice** Fetches 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 Source** Returns a single lead source from your Harpoon account. - Action **Get Project** Returns a single project from your Harpoon account, including its client, budget and status. - Action **Get Recurring Expense** Fetches 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 Invoice** Returns a single recurring invoice schedule from Harpoon, including its client, frequency, dates, and line items. - Action **Get Task** Returns a single task category from your Harpoon account, including its name and hourly rate. - Action **Get Team** Returns a single team from your Harpoon account, including its name, email address, phone, address, owner and whether it is active. - Action **Get Time Entry** Returns a single tracked time entry from your Harpoon account, including its date, hours, client, project and notes. - Action **List Contacts** Returns the contacts in your Harpoon account, including each contact's name, email address and phone number. - Action **List Estimates** Returns the estimates in a Harpoon account, optionally narrowed to a year, client, project, status, or search text. - Action **List Expense Categories** Returns the expense categories set up in Harpoon, each with its budget settings. - Action **List Expenses** Returns the expenses in your Harpoon account, optionally narrowed by date range, client, project, category, billing status or search text. - Action **List Invoices** Returns the invoices in your Harpoon account, optionally narrowed by year, client, project, status or a search term. - Action **List Projects** Returns the projects in a Harpoon account, with their client, budget, rate, and dates. - Action **List Teams** Returns the teams in your Harpoon account, along with the total number of teams found. - Action **List Time Entries** Returns 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 Expense** Updates an existing expense in your Harpoon account. Only the values you supply are changed. - Action **Update Invoice** Updates an existing invoice in your Harpoon account. Only the values you supply are changed. - Action **Update Project** Updates an existing project in Harpoon — its name, client, billing type, status, dates, budget and task rates. Returns the updated project. - Action **Update Recurring Expense** Updates 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 Invoice** Updates an existing recurring invoice template in your Harpoon account. Only the values you supply are changed. - Action **Update Time Entry** Updates an existing time entry in Harpoon — its date, hours, description, project, task or billing state. - Trigger **New Billing Subscription V2** Triggers when a new billing subscription is created in Pennylane. - Trigger **New Customer Invoice V2** Triggers when a new customer invoice or credit note is created in Pennylane. - Trigger **New Customer V2** Triggers when a new customer (company or individual) is created in Pennylane. - Trigger **New Product V2** Triggers when a new product is created in Pennylane. - Trigger **New Quote V2** Triggers when a new quote is created in Pennylane. - Action **Add supplier** Creates a supplier in Pennylane and returns the new supplier record. - Action **Create Company Customer V2** Creates a company customer in Pennylane with its billing address, contact and invoicing details, and returns the new customer. - Action **Create Customer Invoice V2** Creates a draft or finalized customer invoice (or credit note) in Pennylane for an existing customer. - Action **Create Individual Customer V2** Creates an individual (person) customer in Pennylane with their name, billing address and invoicing preferences. - Action **Create Product V2** Creates a product in Pennylane with its label, price before tax and VAT rate, and returns the created product. - Action **Create Quote V2** Creates a quote for a customer in Pennylane, with its line items, dates and optional discount. - Action **Finalize customer invoice** Finalizes a draft customer invoice or credit note in Pennylane, assigning its number and locking it from further edits. - Action **Get Billing Subscription V2** Returns one billing subscription, including its schedule, status, customer and invoice settings. - Action **Get supplier** Returns a single supplier from Pennylane by its id, including contact, address, payment terms and ledger account. - Action **Get supplier invoice** Returns a single supplier invoice from Pennylane by its ID, including amounts, dates, supplier, and payment status. - Action **Get transaction** Returns a single bank transaction by its id, including amount, currency, date, bank account, categories and linked customer or supplier. - Action **List bank accounts** Returns the company's bank accounts with their currency, balance, journal and ledger account. - Action **List billing subscriptions** Returns the billing subscriptions in the Pennylane company, optionally filtered by status, customer or start date. - Action **List categories** Returns the analytical categories defined in the Pennylane company, optionally filtered by group, label or code. - Action **List customer invoices** Returns customer invoices and credit notes, optionally filtered and sorted. - Action **List customers** Returns a list of company and individual customers in Pennylane, optionally filtered and sorted. - Action **List ledger accounts** Returns the company's ledger accounts (chart of accounts), up to 1000 per call, optionally filtered by number, id or enabled status. - Action **List ledger entries** Returns the ledger entries of your Pennylane company, optionally filtered by id, date or journal and sorted by id or date. - Action **List products** Returns the products in the Pennylane company, optionally filtered by label, reference or id. - Action **List quotes** Returns the quotes in your Pennylane company, optionally filtered by customer or status. - Action **List supplier invoices** Returns the supplier invoices in your Pennylane company, optionally filtered and sorted. - Action **List suppliers** Returns the suppliers in your Pennylane company, optionally filtered and sorted. - Action **List transactions** Returns the bank transactions in your Pennylane company, optionally filtered by bank account, journal, date or id. - Action **Retrieve Customer V2** Returns one customer (company or individual) by its Pennylane id, including contact details, addresses and billing settings. - Action **Retrieve Invoice V2** Returns one customer invoice or credit note, including its amounts, status, customer and links to its lines and payments. - Action **Retrieve Product V2** Returns one Pennylane product by its id, including price, VAT rate, unit, ledger account and custom field values. - Action **Retrieve Quote V2** Returns a single quote by its ID, including amounts, status, customer and dates. - Action **Update Billing Subscription V2** Updates a billing subscription in Pennylane: stop or resume it, change its invoicing mode, payment terms, schedule, customer or invoice content. - Action **Update Company Customer V2** Updates an existing company customer in Pennylane and returns the updated customer. - Action **Update customer invoice** Updates a customer invoice in Pennylane. Draft invoices accept all fields; finalized invoices accept only label, external reference, transaction reference, invoice line imputation/performance dates and installments. - Action **Update Individual Customer V2** Updates an individual (person) customer in Pennylane and returns the updated customer. - Action **Update Product V2** Updates an existing product in Pennylane, such as its label, price, VAT rate or custom fields. - Action **Update Quote V2** Updates an existing quote in Pennylane — its dates, customer, texts, discount, language and invoice lines — and returns the updated quote. - Action **Update supplier** Updates an existing supplier in Pennylane and returns the updated supplier. ## Each app on its own - [ **Harpoon** Harpoon is a financial planning, scheduling, time-tracking, invoicing, and budgeting platform for...](https://apiant.ai/connections/harpoon) - [ **Pennylane** Pennylane centralizes all your cash flows and connects with your financial tools to ease and automate...](https://apiant.ai/connections/pennylane) Reviews ## What our customers say ## More from Harpoon - [ **Harpoon to Bugcrowd** Bugcrowd API for interacting and tracking the reported issues programmatically](https://apiant.ai/connect/harpoon-to-bugcrowd) - [ **Harpoon to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/harpoon-to-hubspot) - [ **Harpoon to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/harpoon-to-salesforce) - [ **Harpoon to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/harpoon-to-slack) - [ **Harpoon to Google Sheets** Google Sheets](https://apiant.ai/connect/harpoon-to-google-sheets) - [ **Harpoon to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/harpoon-to-gmail) ## More into Pennylane - [ **HubSpot to Pennylane** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-pennylane) - [ **Google Sheets to Pennylane** Google Sheets](https://apiant.ai/connect/google-sheets-to-pennylane) - [ **Gmail to Pennylane** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-pennylane) - [ **Google Calendar to Pennylane** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-pennylane) - [ **Google Drive to Pennylane** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-pennylane) - [ **Mailchimp to Pennylane** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-pennylane) Questions ## Harpoon and Pennylane, answered ### ### What can start an automation from Harpoon? Any of Harpoon's 9 triggers in the catalog, including New Client, New Contact, New Expense and New Expense Category. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Pennylane when something happens in Harpoon? Any of Pennylane's 34 actions, including Create Company Customer V2, Create Customer Invoice V2, Create Individual Customer V2 and Create Product V2. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Pennylane to Harpoon? Yes. When something happens in Pennylane, your agent can act in Harpoon too. This page covers both directions: Pennylane's triggers and Harpoon's actions are listed here as well. ### ### Do I have to build a connector for Harpoon or Pennylane? 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 Harpoon and Pennylane 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.