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

BigCommerce

Connect your BigCommerce store to Kintsugi

BigCommerce Read-Only Integration Guide

Steps for installing Kintsugi App from BigCommerce Marketplace

BigCommerce Tax Engine Integration Guide

Disconnecting BigCommerce After Migrating to Shopify

Required OAuth permissions to connect your BigCommerce store with Kintsugi for sales tax automation

BigCommerce OAuth Scopes for API Token

Understanding sync timing, orders, and tax-exempt settings

BigCommerce Sync: What You Need to Know

Learn how Customer IDs sync between BigCommerce and Kintsugi, and how external transactions are handled

Understanding Customer IDs in Kintsugi and BigCommerce

Learn how to resolve common tax calculation issues between BigCommerce and Kintsugi by verifying address configuration and understanding how address data flows between systems.