Kintsugi is a sales tax automation platform built for ecommerce brands scaling across the US and internationally. Unlike calculation-only tools, Kintsugi handles the entire compliance lifecycle with a seamless integration to Shopline: exposure monitoring, registrations, accurate tax calculation, and automated filing. Real-time dashboards expose liability, slashing audit risk and manual busywork. - Real-time sales tax calculation at checkout, by state, county, city, and product type - Automatic application of taxability rules, shipping rules, and rate changes - Nexus monitoring across all 50 US states and over 100 countries - Local, state and country registration on your behalf when you cross a threshold - Automated return filing, including zero-dollar returns and live liability breakdowns - Refund and cancellation sync for clean, audit-ready records - US sales tax + international VAT/GST coverage in one platform - Kintsugi guarantee that if we make a mistake, we own, fix it fast, and cover the cost - Conversational AI assistant in Kintsugi to help you quickly answer your everyday sales tax compliance questions - AI auto-classifies items & addresses for accurate tax every time. Transparent pricing with per-registration and per-filing fees. No per-transaction charges. No implementation fees. No contract lock-ins. Ready to see where you stand? Start with a free nexus ongoing monitoring. Kintsugi maps your current revenue exposure at no cost, before you commit to anything.