Read-only connection
Kintsugi reads your Shopline data to calculate what you owe, monitor exposure, register you where you owe, and file and remit your returns.
Kintsugi calculates tax on your Shopline orders in real time, tracks your sales tax, VAT, and GST obligations in the US and 100+ countries, and files and remits your returns.
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's tax engine calculates tax on your Shopline orders in real time, in every jurisdiction where you're registered.
Track US sales tax nexus and VAT and GST exposure in 100+ countries from your Shopline orders, before it becomes back tax.
Kintsugi registers you where you owe, files every return, and remits on schedule, from $75 per filing or registration.
Kintsugi reads your Shopline orders, products, and customers, then its tax engine calculates tax on each order. The same data drives sales tax, VAT, and GST monitoring, registration, filing, and remittance.

In Kintsugi, click Connect on Shopline, enter your store URL, and authorize the app in your Shopline admin. Customers, products, orders, and refunds sync automatically.
Click Enable Tax Collection and complete the setup checklist. Kintsugi's tax engine then calculates tax on your Shopline orders wherever you're registered to collect.
Kintsugi registers you where you owe, in the US and abroad, files every sales tax, VAT, and GST return, and remits on schedule.
| Synced | What Kintsugi does with it |
|---|---|
| Orders | Tracked against US nexus and VAT and GST thresholds, and used to prepare your returns. |
| Products | Classified for taxability so each item gets the right rate. |
| Customers | Matched to the location each sale is taxed in. |
| Refunds and credit notes | Applied at the transaction level so filings reflect what you actually collected. |
Only completed, paid orders import. Set up tax-exempt customers in Kintsugi, because Shopline doesn't reliably share a customer's exempt status.
Kintsugi reads your Shopline data to calculate what you owe, monitor exposure, register you where you owe, and file and remit your returns.
Kintsugi calculates tax on your Shopline orders in real time, from the same data it uses to file.
Track sales tax, VAT, and GST from the same Shopline orders, in the US and 100+ countries.
Know when a new market needs a VAT or GST registration, then let Kintsugi register, file, and remit there.
US nexus depends on your sales into each state, not where your business is based. Kintsugi tracks every state from your Shopline orders.
Stop keeping tax rates up to date by hand in Shopline. Kintsugi's tax engine calculates tax on each order where you're registered.
Shopline collects the tax rates you set at checkout. You enter a rate for each country, state, or product category yourself, or connect a third-party tax service for automatic calculation.
Shopline's help center says it doesn't handle tax filings or payments, and it recommends checking with tax experts which rules apply in each market you sell into.
Kintsugi's tax engine calculates tax on your Shopline orders in real time, and the same orders drive sales tax, VAT, and GST monitoring, registration, filing, and remittance.
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.