
All your channels connected
Shopify, Amazon, Etsy, your custom store; all channels flow into one unified tax system. Real-time calculations for every SKU, every variant, every jurisdiction.
Ecommerce Sales Tax Software
Shopify, Amazon, TikTok Shop, and beyond. Kintsugi handles sales tax compliance across every channel, marketplace, and country you sell in.

Trusted by 8,000+ businesses
“Just thinking about managing Texas’s sales tax was overwhelming. Now, the entire filing process takes less than 10 minutes each quarter. Kintsugi has saved me hours of work.”
80%
reduction in filing time


Shopify, Amazon, Etsy, your custom store; all channels flow into one unified tax system. Real-time calculations for every SKU, every variant, every jurisdiction.

See exactly where you have exposure before states come knocking. Get alerts when you’re approaching thresholds. Register when you’re ready, not when you’re panicked.

Selling internationally? Same simple experience for VAT, GST, and sales tax. 100+ countries supported with automatic currency conversion and local compliance.

Whether you sell 10 SKUs or 10,000, physical goods or digital downloads, or wholesale; we handle the nuances. Product taxability rules applied automatically.

Whether you sell 10 SKUs or 10,000, physical goods or digital downloads, or wholesale; we handle the nuances. Product taxability rules applied automatically.
5,100+
businesses automated
$13.5B
transactions processed
50
states in the US
100+
countries supported
<2 hours
average support response
Automatic adjustments for returns, exchanges, and refunds. Your filings stay accurate even during high-return seasons.
No credit card required.
Adding TikTok Shop? Launching on Walmart.com? Testing a new marketplace? Connect once and stay compliant everywhere.
Predictable monthly fee. Every integration included. The only sales tax solution that gets cheaper as you grow.
Our team has handled every edge case: bundles, subscriptions, digital goods, international shipping. They understand ecommerce.
Native connections to Shopify, WooCommerce, BigCommerce, and major marketplaces. Set up in minutes, not months.
See how Kintsugi handles your specific tax requirements with a demo from our tax team.
Still have questions?
Talk to us