AI-power, human assurance
Kintsugi automates the busywork with a suite of AI-powered capabilities that blend rule-based precision with machine learning insights to power intelligent automation in Rillet.
Rillet runs your ledger. Let Kintsugi manage your sales tax, plus VAT and GST as you expand. Accurate, filed, and audit-ready.
Compliance Automation | Real-time Tax Engine

Connect Rillet once, and Kintsugi handles the rest: syncing your customers, invoices, credit memos, and products, calculating your tax obligations, and filing returns automatically. Your books stay accurate, and you stay audit-ready, without the manual work.
Kintsugi connects directly to Rillet and automatically syncs your customers, invoices, credit memos, and products. This sets up Kintsugi to calculate your sales tax across every US state, plus VAT and GST in 100+ countries as you sell internationally.
Kintsugi calculates tax the moment invoices flow out of Rillet, so your general ledger and your tax obligations never drift apart. With Kintsugi as your indirect tax system of record, you're ready to automate registration, filing, and remittance everywhere you sell, and you've got the reporting to keep you audit-ready.
Rillet was built as a modern, AI-native alternative to legacy ERPs like NetSuite, with a faster general ledger and automated revenue workflows. Kintsugi was built the same way for tax. Together, they close the loop between what you book and what you owe, in real time, without a CSV export in sight.
Automatically syncs your customers, products, invoices, transactions, refunds, and exemptions from Rillet, and any other platform you sell through.
It can even calculate sales tax directly on your invoices.

Kintsugi automates the busywork with a suite of AI-powered capabilities that blend rule-based precision with machine learning insights to power intelligent automation in Rillet.
As you grow into new markets, Kintsugi automatically monitors nexus exposure across 100+ countries, with AI-powered product categorization to keep your obligations accurate everywhere you sell.
Sales tax, VAT, and GST compliance automation for companies selling into North America, Europe, Asia, Latin America, Africa, and Oceania.
Monthly payments with no hidden fees for additional services. No per-transaction costs, onboarding fees, or implementation fees. You always know exactly what you're paying.
Enterprise-grade security and compliance baked in.
Your Rillet transaction data is encrypted, audited, and handled with the highest security standards.
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.