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Kintsugi

Ecommerce Sales Tax Software

Ecommerce sales tax software for the modern DTC brand

Shopify, Amazon, TikTok Shop, and beyond. Kintsugi handles sales tax compliance across every channel, marketplace, and country you sell in.

Kintsugi connected to Shopify, Amazon, Walmart, Stripe, BigCommerce, and other sales channels

Trusted by 8,000+ businesses

SearchspringFlexBattlBoxObviResbioticSmarterDxChargebee

Join 8,000+ businesses who’ve already made the switch

“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

Copenhagen Sleep Company

Built for how ecommerce actually works

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.

Real-time nexus monitoring

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.

Cross-border ready

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

Built for your catalog

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

Built for your catalog

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

The proof is in the numbers

5,100+

businesses automated

$13.5B

transactions processed

50

states in the US

100+

countries supported

<2 hours

average support response

Returns & refunds handling

Automatic adjustments for returns, exchanges, and refunds. Your filings stay accurate even during high-return seasons.

See your exact tax liability in 3 minutes for free.

No credit card required.

Built for ecommerce businesses who move fast

Expand channels instantly

Adding TikTok Shop? Launching on Walmart.com? Testing a new marketplace? Connect once and stay compliant everywhere.

Pricing that makes sense

Predictable monthly fee. Every integration included. The only sales tax solution that gets cheaper as you grow.

Support from ecommerce tax experts

Our team has handled every edge case: bundles, subscriptions, digital goods, international shipping. They understand ecommerce.

Integrations that actually work

Native connections to Shopify, WooCommerce, BigCommerce, and major marketplaces. Set up in minutes, not months.

Start selling everywhere, today

See how Kintsugi handles your specific tax requirements with a demo from our tax team.

FAQs

Still have questions?

Talk to us