Automate Ecommerce sales tax compliance and operationswith AI.

Kintsugi plugs into your stores, marketplaces, and accounting tools to make sales tax automated and accurate.

Book a Demo

You never have to manually file or register again.

Kintsugi manages the complexity of sales tax with AI to automate filings, registrations and more — so you never have to visit a state portal website again.

Kintsugi is streamlining the state tax filings process, making a very complicated system more approachable and easier to understand.

John Roman

CEO, BattlBox

Why choose Kintsugi?

AI Engine = Clean Data

Dirty data causes tax errors. Kintsugi’s ML cleans and labels your data as it comes is.

98.3 % fewer calculation errors out of the box
AI-powered product classification & address validation
Audit‑ready receipts stored forever

California

Indiana

Texas

Colorado

Sales Tax Compliance

Connectors, API’s & SDK

One‑click OAuth pipes clean data straight from the systems you already use.

Shopify, Amazon, Walmart, NetSuite,, QBO, Chargebee + more
API calls are included on flat‑rate tiers
Developer-ready SDK to cut development time

3‑Minute, 7‑Click Setup

Real integrations, no CSVs, live today.

Easily integrate with Shopify, Stripe, QBO & more
Import years of sales history
Bi‑directional sync stops double taxation

Built for Global Sales

Grow into new markets without switching tools.

Support for 36 countries today, with plans to support 100+ soon
Locally-based tax experts replace customer service reps
Multi‑currency & complex entity support built‑in

Startup-friendly Pricing & Guarantees

Transparent pricing, with no annual contracts or vendor-risk.

Flat $75 per government action; zero hidden API costs
Fixed-rate pricing for companies with larger sales volume
Kintsugi pays all penalties and interest if we make an error

How It Works

Connect

OAuth into carts & ERPs; AI scrapes 2 years of history.

Review

Dashboard shows risk heat‑map and first refund savings.

Relax

Kintsugi files, remits, and reconciles every period—hands‑free.

Free

Best for basic needs.

Start for free

No credit card required
Free nexus monitoring, physical and economic
Comprehensive exposure and historical liabilities auditing
Automated risk assessment
New nexus alerts
Address validation
Easy CSV transaction imports
No-code integrations: QuickBooks, Stripe, Chargebee, BigCommerce and more

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Starter

Frequently Asked Questions

Will this replace my CPA?

What if I’ve never filed—am I already in trouble?

How long to integrate?

Is the AI accurate?

Why not stay with my current tool?

What happens after the free period?

Ready to erase
sales tax stress?

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