Step-by-step help for Kintsugi sales tax software — connect integrations, track nexus, register, and file returns. Search guides, FAQs, and troubleshooting.

Kintsugi Help Center | Sales Tax Software Support & Guides

Your First Steps to Stress-Free Tax Filing

Getting Started

State Registration & Tax Filing to Ensure Business Compliance

Registrations & Filings

Your guide to integrating third-party services with step-by-step instructions 

Integrations

Manage your Kintsugi subscription, billing details, payment methods, invoices, and learn about pricing plans, refunds, and account changes.

Subscription & Billing

Frequently Asked Questions

Explore our collection of helpful guides, contact information, and tools to assist you with tax-related questions and processes.

Resources

Troubleshooting

Collection of Kintsugi's product & marketing contents

Blogs

Managing Shopify Data Connection to Kintsugi

Shopify

Set up Kintsugi's read-only Shopify integration to sync orders, products, and customers, then enable tax collection and mark jurisdictions as collecting.

Shopify Read-Only Integration Guide

Set up Shopify Tax for your store to collect sales tax accurately: open Taxes and Duties, downgrade the service, and choose Shopify Tax over Basic or Manual.

Setup Shopify Tax for Your Shopify Store?

Collect and view customer tax IDs in Shopify using the Helium Customer Fields app: add a Tax ID data column, place it on a B2B form, and view it in your admin.

How to Collect and View Customer Tax IDs from Shopify Using the Helium Customer Fields Plugin

Learn how to export your Shopify order data to a CSV file: open Orders and All Orders, filter by date range, click Export, and choose the CSV format.

Exporting Shopify Orders to CSV

Learn why Shopify may not charge tax on some products: the Charge tax on this product box is unchecked, so enable it for every taxable product to collect tax.

Why isn’t Shopify charging tax on some of my products?

Learn how to retrieve individual order details in Shopify by exporting orders to CSV and filtering by shipping or billing province to view sales by state.

Retrieving Individual Order Details In Shopify

Understand Shopify Shop transactions in Kintsugi: as marketplace sales Shopify remits the tax, so they're reported tax-exempt with no action needed from you.

Understanding Shopify "Shop" Transactions and Sales Tax Reporting

Learn what to do when Shopify collects tax on tax-exempt goods by setting up tax overrides and exemptions in Shopify so items like clothing aren't taxed.

What if Shopify is collecting tax on tax exempt goods?

Learn how to integrate multiple Shopify stores under one Kintsugi account to manage inventory, orders, and customer data in one place and save on costs.

Integrating Multiple Shopify Stores Under One Account

Learn why product counts differ between Shopify and Kintsugi: archived and deleted items from past orders are recreated for accurate tax reporting and audits.

Resolving Product Count Discrepancies Between Shopify and Kintsugi

Learn how to manage transactions and product approvals in Shopify with Kintsugi: understand exposed transactions, filter stores, and fix invalid addresses.

Managing Transactions and Product Approvals/Categorization in Shopify

Understand how Shopify tax collection works with Kintsugi's auto-approve and auto-file features, which generate filings on the 1st and approve on the 5th.

Understanding Shopify's Tax Collection System:A Simple Guide for Ecommerce Busin

Learn whether Shopify collects sales tax on orders: you remit for your own store, but Shopify handles SHOP APP orders, and how each type shows in Kintsugi.

Does Shopify Collect Sales Tax on Orders?

Reconnect your Shopify integration when the store is paused or a token expires. See causes, full reauthorization steps, and why to open Kintsugi directly.

How to Reconnect Your Shopify Integration

Configure EU VAT, OSS, IOSS, and UK VAT collection in your Shopify admin so Shopify charges VAT at checkout and Kintsugi tracks exposure and files returns.

How to Configure EU VAT, IOSS, and UK VAT collection in Shopify

Learn how to unmask TikTok Shop customer addresses in Shopify by switching from TikTok Shipping to Seller Shipping so full address data flows through for tax.