Kill Bill sales tax automation
Kintsugi calculates tax on your Kill Bill invoices, monitors where you owe it, and handles filing and remittance.
Free exposure monitoring · Filing from $75 · No per-transaction fees
Rated 4.6/5 on G2 (55 reviews) · 7,000+ customers

Trusted by 7,000+ businesses
Kintsugi calculates, monitors, and files your Kill Bill sales tax
- Calculate
Tax on the invoice
Our open-source tax plugin sends each invoice to Kintsugi as it's created and adds the tax Kintsugi returns as a tax line.
- MonitorFree
Nexus from your billing data
Kintsugi reads your Kill Bill data to track your exposure in the US and 100+ countries, and sends nexus alerts.
- File and remit
Returns filed for you
Kintsugi registers you, files your returns, and remits on schedule. Filing starts at $75.
How Kill Bill connects to Kintsugi
Kill Bill runs your subscriptions and invoices. A Kintsugi plugin on your Kill Bill deployment handles the tax, so you keep the billing setup you already have.

Install the plugin
Add the Kintsugi tax plugin to your Kill Bill deployment with KPM or by placing the JAR in your plugin directory. It's open source under the Apache 2.0 license.
Connect Kill Bill
Connect Kill Bill to Kintsugi from Data Sources in your account.
Enable Tax Collection
Click Enable Tax Collection on the connection. Kintsugi configures the plugin for you, so you never paste a secret by hand.
What Kintsugi uses from each Kill Bill invoice
| Data | What Kintsugi does with it |
|---|---|
| Invoice line items | Classified for taxability and used to calculate tax |
| Account ship-to address | Used to find the jurisdiction and the rate |
| Tax lines (returned to Kill Bill) | Added to the invoice and linked to the taxable line. Lines with $0 tax are left off. |
Kintsugi's API has to be reachable from your Kill Bill server.
Who uses Kintsugi with Kill Bill
Teams that run their own billing and want tax handled on the invoice instead of in a spreadsheet afterward.
Subscription businesses growing into new states, where nexus can arrive with a renewal.
Companies billing customers outside the US who need to know where they're exposed.
How Kill Bill sales tax works
What Kill Bill does
Kill Bill is an open-source billing and payments platform you run yourself. It has a plugin framework for payment gateways and tax engines.
Where it stops
Kill Bill leaves tax to the plugin you install, so what you get depends on that plugin.
What Kintsugi adds
The Kintsugi plugin calculates tax on each invoice. Kintsugi also tracks your nexus, registers you where you owe, and files and remits on schedule.
Why Customers Love Us
Jared Stark
Founder of Incendico Fire Alarm Store
The setup was incredibly seamless and much faster than I expected, with clear guidance throughout the process. What really stands out is their support since it is easy to get in touch with someone quickly and the team is knowledgeable and actually helpful when you have questions.

April Walford
Operations Manager at JMXi
They corrected errors in our past returns, enrolled us quickly and efficiently, filed everything on time, and thoroughly researched any questions or concerns we had. Their customer service is excellent.

Mo Hartman
Staff Accountant at Searchspring
Having the visibility on the dashboard has been extremely helpful and the ease of being able to approve. It is very user-friendly and I can see everything I need in one place.