Read-only connection
Kintsugi reads your Zuora data to calculate what you owe and monitor exposure, then registers, files, and remits. No Vertex setup needed.
Kintsugi calculates sales tax on your Zuora invoices as they're created, feeding product classifications to Zuora's Vertex O Series connection, then tracks nexus and files your returns.
Free exposure monitoring · Filing from US$75 (approx. £57) · No per-transaction fees
Rated 4.6/5 on G2 (55 reviews) · 7,000+ customers
Trusted by 7,000+ businesses
Kintsugi's product classifications drive the Vertex O Series calculation, so each Zuora invoice carries the right tax as it's created.
Your Zuora billing is tracked against every state's economic nexus threshold and VAT and GST rules in 100+ countries.
Kintsugi registers you where you owe, files every return, and remits on schedule, from $75 per filing or registration.
Zuora runs your subscription billing. Kintsugi handles the tax side: classifying your products for Vertex O Series, tracking exposure as you grow, and filing every return from your Zuora data.

Connect Zuora and Kintsugi pulls in your accounts, products, invoices, and credit memos automatically, with no manual exports or reconciliation, and starts tracking your exposure as you bill.
On Zuora's Vertex O Series connection, Kintsugi supplies the product tax classifications, so every invoice calculates the right tax the moment it's created.
Kintsugi registers you where you have exposure, files and remits on schedule, and keeps the reporting you need on hand for an audit.
| Synced | What Kintsugi does with it |
|---|---|
| Accounts | Matched to the location each invoice is taxed in. |
| Products | Classified for taxability by jurisdiction and fed to your Vertex O Series calculation. |
| Invoices | Used to track nexus and calculate what you owe in every jurisdiction. |
| Credit memos | Applied at the transaction level so filings reflect what you actually collected. |
Kintsugi reads your Zuora data to calculate what you owe and monitor exposure, then registers, files, and remits. No Vertex setup needed.
On Zuora's Vertex O Series connection, Kintsugi's classifications drive the tax calculation on your Zuora invoices as they're created.
Upgrades, downgrades, renewals, and their credit memos flow into your tax picture automatically, with no separate process.
Run Kintsugi alongside Avalara without changing how you bill in Zuora, compare the two, then switch on your timeline.
Track VAT and GST exposure across 100+ countries from the same Zuora billing data.
Zuora applies the tax rates you maintain yourself in Zuora Tax, or hands calculation to a third-party engine through its Avalara integration or a Marketplace tax app such as the Vertex O Series Tax Connector.
Zuora is clear that the rates on your invoices are not your filing: its tax rates are the amounts you display on invoices, not the remittance amounts you may owe each taxing authority.
Kintsugi supplies the product tax classifications behind Zuora's Vertex O Series connection, so invoices calculate the right tax as they're created, then monitors nexus and registers, files, and remits for you.
Sources: Overview of Zuora Tax, Install the Vertex O Series Tax Connector app
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.
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