# Harpoon integrations

Connect Harpoon to any other app, or use it from your AI client over MCP. Harpoon is a financial planning, scheduling, time-tracking, invoicing, and budgeting platform for professional freelancers, studios, and agencies.

Connects with an API key[harpoonapp.com](https://harpoonapp.com/)

**9** triggers **46** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want to automate with Harpoon?

Give your AI client this address.

`https://mcp.apiant.ai`

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)

Popular

## Harpoon with the apps people pair it with most

- [ **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)
- [ **Google Calendar to Harpoon** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-harpoon)
- [ **Harpoon to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/harpoon-to-google-drive)
- [ **Harpoon to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/harpoon-to-mailchimp)

Pair it

## Connect Harpoon with another app

- [ **Harpoon to Bugcrowd** ](https://apiant.ai/connect/harpoon-to-bugcrowd)
- [ **Harpoon to HubSpot** ](https://apiant.ai/connect/harpoon-to-hubspot)
- [ **Harpoon to Salesforce** ](https://apiant.ai/connect/harpoon-to-salesforce)
- [ **Harpoon to Slack** ](https://apiant.ai/connect/harpoon-to-slack)
- [ **Harpoon to Google Sheets** ](https://apiant.ai/connect/harpoon-to-google-sheets)
- [ **Harpoon to Gmail** ](https://apiant.ai/connect/harpoon-to-gmail)
- [ **Google Calendar to Harpoon** ](https://apiant.ai/connect/google-calendar-to-harpoon)
- [ **Harpoon to Google Drive** ](https://apiant.ai/connect/harpoon-to-google-drive)
- [ **Harpoon to Mailchimp** ](https://apiant.ai/connect/harpoon-to-mailchimp)
- [ **Harpoon to Stripe** ](https://apiant.ai/connect/harpoon-to-stripe)
- [ **Harpoon to Shopify** ](https://apiant.ai/connect/harpoon-to-shopify)
- [ **Harpoon to QuickBooks Online** ](https://apiant.ai/connect/harpoon-to-quickbooks-online)
- [ **Harpoon to Pipedrive** ](https://apiant.ai/connect/harpoon-to-pipedrive)
- [ **ActiveCampaign to Harpoon** ](https://apiant.ai/connect/activecampaign-to-harpoon)
- [ **Notion to Harpoon** ](https://apiant.ai/connect/notion-to-harpoon)
- [ **Airtable to Harpoon** ](https://apiant.ai/connect/airtable-to-harpoon)
- [ **Harpoon to Trello** ](https://apiant.ai/connect/harpoon-to-trello)
- [ **Asana to Harpoon** ](https://apiant.ai/connect/asana-to-harpoon)
- [ **Harpoon to JIRA** ](https://apiant.ai/connect/harpoon-to-jira)
- [ **ClickUp to Harpoon** ](https://apiant.ai/connect/clickup-to-harpoon)
- [ **Harpoon to Zoom** ](https://apiant.ai/connect/harpoon-to-zoom)
- [ **Harpoon to Discord** ](https://apiant.ai/connect/harpoon-to-discord)
- [ **Harpoon to Twilio** ](https://apiant.ai/connect/harpoon-to-twilio)
- [ **Harpoon to SendGrid** ](https://apiant.ai/connect/harpoon-to-sendgrid)
- [ **Harpoon to Outlook** ](https://apiant.ai/connect/harpoon-to-outlook)
- [ **Harpoon to Intercom** ](https://apiant.ai/connect/harpoon-to-intercom)
- [ **Freshdesk to Harpoon** ](https://apiant.ai/connect/freshdesk-to-harpoon)
- [ **Brevo to Harpoon** ](https://apiant.ai/connect/brevo-to-harpoon)
- [ **Harpoon to Typeform** ](https://apiant.ai/connect/harpoon-to-typeform)
- [ **Harpoon to JotForm** ](https://apiant.ai/connect/harpoon-to-jotform)
- [ **Calendly to Harpoon** ](https://apiant.ai/connect/calendly-to-harpoon)
- [ **Harpoon to PandaDoc** ](https://apiant.ai/connect/harpoon-to-pandadoc)
- [ **Harpoon to Webflow** ](https://apiant.ai/connect/harpoon-to-webflow)
- [ **Harpoon to Wix** ](https://apiant.ai/connect/harpoon-to-wix)
- [ **Harpoon to LinkedIn** ](https://apiant.ai/connect/harpoon-to-linkedin)
- [ **Harpoon to Facebook** ](https://apiant.ai/connect/harpoon-to-facebook)
- [ **Harpoon to Instagram** ](https://apiant.ai/connect/harpoon-to-instagram)
- [ **Harpoon to OpenAI** ](https://apiant.ai/connect/harpoon-to-openai)
- [ **Harpoon to Anthropic** ](https://apiant.ai/connect/harpoon-to-anthropic)
- [ **Harpoon to OneDrive** ](https://apiant.ai/connect/harpoon-to-onedrive)
- [ **Google Docs to Harpoon** ](https://apiant.ai/connect/google-docs-to-harpoon)
- [ **Harpoon to Ontraport** ](https://apiant.ai/connect/harpoon-to-ontraport)
- [ **Freshworks CRM to Harpoon** ](https://apiant.ai/connect/freshworks-crm-to-harpoon)
- [ **Harpoon to GoHighLevel** ](https://apiant.ai/connect/harpoon-to-gohighlevel)
- [ **Capsule CRM to Harpoon** ](https://apiant.ai/connect/capsule-crm-to-harpoon)
- [ **Copper to Harpoon** ](https://apiant.ai/connect/copper-to-harpoon)
- [ **Harpoon to Streak** ](https://apiant.ai/connect/harpoon-to-streak)
- [ **Harpoon to NetHunt CRM** ](https://apiant.ai/connect/harpoon-to-nethunt-crm)
- [ **Harpoon to MINDBODY** ](https://apiant.ai/connect/harpoon-to-mindbody)
- [ **Harpoon to Supabase** ](https://apiant.ai/connect/harpoon-to-supabase)
- [ **Harpoon to PostgreSQL** ](https://apiant.ai/connect/harpoon-to-postgresql)
- [ **Harpoon to MySQL** ](https://apiant.ai/connect/harpoon-to-mysql)
- [ **Harpoon to Vercel** ](https://apiant.ai/connect/harpoon-to-vercel)
- [ **Harpoon to ElevenLabs** ](https://apiant.ai/connect/harpoon-to-elevenlabs)
- [ **Harpoon to PagerDuty** ](https://apiant.ai/connect/harpoon-to-pagerduty)
- [ **Harpoon to Pushover** ](https://apiant.ai/connect/harpoon-to-pushover)
- [ **Gravity Forms to Harpoon** ](https://apiant.ai/connect/gravity-forms-to-harpoon)
- [ **Harpoon to HubSpot Enterprise** ](https://apiant.ai/connect/harpoon-to-hubspot-enterprise)
- [ **Google Forms to Harpoon** ](https://apiant.ai/connect/google-forms-to-harpoon)
- [ **Harpoon to monday.com** ](https://apiant.ai/connect/harpoon-to-monday-com)

What your agent can do with Harpoon

## Triggers and actions 9 triggers · 46 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.

## Related apps

- [ **Harpoon to Accounting Seed** Accounting Seed is a Salesforce-native accounting application connecting front- and back-office finance.](https://apiant.ai/connect/harpoon-to-accounting-seed)
- [ **Alegra to Harpoon** Alegra is an accounting and billing app designed for Latin American managers.](https://apiant.ai/connect/alegra-to-harpoon)
- [ **Harpoon to CII & UBL by InvoiceXML** CII & UBL by InvoiceXML is an e-invoice compliance service for creating, converting, validating, and...](https://apiant.ai/connect/harpoon-to-cii-ubl-by-invoicexml)
- [ **Harpoon to Easybill** Create invoices, quotations and delivery notes with Easybill's cloud-based accounting software.](https://apiant.ai/connect/harpoon-to-easybill)
- [ **Harpoon to Factur-X by InvoiceXML** Factur-X by InvoiceXML is an e-invoice automation: create, transform, validate, and extract Factur-X PDFs...](https://apiant.ai/connect/harpoon-to-factur-x-by-invoicexml)
- [ **FacturaDirecta to Harpoon** FacturaDirecta is an easy accounting software for small business and freelancers.](https://apiant.ai/connect/facturadirecta-to-harpoon)
- [ **Harpoon to fastbill** FastBill is a cloud app for German invoicing & accounting.](https://apiant.ai/connect/harpoon-to-fastbill)
- [ **Harpoon to Finmei** Finmei is an invoicing tool which helps you quickly issue invoices and track your expenses.](https://apiant.ai/connect/harpoon-to-finmei)

[More in Accounting](https://apiant.ai/apps/accounting)

Reviews

## What our customers say

Questions

## Harpoon, answered

###

### Is there a Harpoon MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with Harpoon. Add that address to any AI client that takes a remote MCP server, sign in once in your browser, and your client can build, test and run automations that use Harpoon. Nothing to install.

###

### 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 Harpoon?

Any of Harpoon's 46 actions, including Create Contact, Create Expense, Create Expense Category and Create Project. Your agent maps the data both ways and tests every scenario before it ships.

###

### Which apps can Harpoon connect to?

Any app in the catalog; the list on this page pairs Harpoon with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

###

### 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.
