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

Indiana

Import your existing Indiana sales tax registration into Kintsugi with your registered business name and FEIN from INTIME, then let Kintsugi manage filings.

Indiana Credentials for Importing Registration

Understand the difference between an Indiana State Tax ID (10-digit TID) and Sales Tax Account Number (RST prefixed), and where to find each in INTIME and RRMC.