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Beautiful, professional invoicing.

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  • Accept online payments

    Get paid quickly by allowing your clients to pay your invoices online. Your clients can use any major credit or debit card with just the click of a button.

  • Customize your invoices

    Harpoon's invoices are clean and beautiful to begin with, and even more so when you add your own logo, company information, and payment terms.

  • Quick invoice creation

    You shouldn't need to jump through multiple screens just to build an invoice. Invoice creation in Harpoon couldn't be easier. Just a few clicks and you're done.

  • Late payment reminders

    Set up custom payment terms for your invoices and have Harpoon automatically send late payment email reminders to your clients. It's one less thing you need to think about.

  • Get notified of a viewed invoice

    Ever wondered if a client has even viewed your invoice yet? With Harpoon, wonder no more. You'll know exactly when your clients open and view their invoices. No more excuses.

  • Recurring invoices

    Schedule your invoices to be automatically created and (optionally) sent to your clients at set intervals. Collect payments online and keep your business running even while you sleep.

  • Recurring auto-billing

    Automatically charge your client’s credit or debit card for recurring invoices. Perfect for subscriptions, ongoing retainer fees, or any kind of repeating service or product fees you might offer your clients.

  • International currencies

    We proudly support customers from around the globe. From dollars to pounds, euros to krones, your Harpoon account will feel right at home wherever you do business.

  • Automated thank you emails

    Everyone appreciates a thank you, and so will your clients. As a professional touch Harpoon will automatically send a custom thank you confirmation to your clients on your behalf.

  • Bill for tracked time

    Tracking your time in Harpoon is a cinch, and it's just as easy to transfer those recorded hours to an invoice. Harpoon then keeps track of which hours still need to be billed.

  • Bill for project expenses

    Easily track and record project expenses in Harpoon, and then transfer those expenses to an invoice. You'll always know which expenses have been billed and which still need to be reimbursed.

  • Create custom hourly rates

    Do you charge differently for design work compared to administrative work? No sweat. Harpoon allows you to create custom hourly rates for each of your time-tracking task categories.

  • Custom rates per client

    Sometimes the same rate doesn't fit for all of your clients. With Harpoon you can not only customize your hourly rates on a per task basis, but also on a per client basis. We're flexible like that.

  • Create, send, and manage estimates

    Typically sent to your clients before you do the actual work, estimates are a simple way for your clients to approve the basic scope and costs of smaller projects.

  • Invoice in multiple languages

    Create invoices in your clients' native languages, including English, Spanish, French, German, Greek, Dutch, Italian, and more ¡Hurra!

  • Download as a PDF

    You can conveniently send invoices to your clients directly within Harpoon. But for those times when you need a bit more flexibility a PDF download is always available.

  • Organize and filter

    Harpoon provides a handful of filtering tools that allow you to track the status of your invoices. Know which invoices have been sent, viewed, paid, or even partially paid; which are still drafts, and which are overdue.

  • Add a note or subject line

    Add a personal note to an invoice to grab your client's attention with important information. Or add a subject line to an invoice to summarize what the invoice is all about.

  • Collect a variety of taxes

    You can create as many tax types as you need (including VAT, GST, PST, HST, etc.) and apply any combination of taxes on a per line item basis on your invoices.

  • Invoice history

    View a timeline of all the important activities surrounding an invoice, along with the dates those activities took place, conveniently packaged in a single view for historical reference.

  • Manage credits

    Manage overpayments or otherwise money "owed" back to your clients. Apply credit to new or existing invoices as Harpoon automatically tracks credit balances for your clients.

  • Invoice reports

    Collect and view the details of your invoices over time in a single document. Break your reports down by client, projects, or status. Share and distribute your reports in common formats.

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"Simple to use yet incredibly effective. Harpoon has allowed me to streamline the administrative side of my business giving me more time to build great solutions for my clients."

Keith Power, Lead Developer & Owner

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