Full catalog scan
Every physical SKU checked for missing CA, US, and CN codes — gift cards and digital products excluded so your readiness score stays honest.
Free customs readiness audit
Stop border holds before they happen
Run a free AI compliance audit on your Shopify catalog to catch missing HS codes and duty gaps.
Your free audit
How to audit HS codes across your catalog
A Shopify HS code audit scans your catalog for missing, incomplete, or stale harmonized system codes before cross-border shipping. Jstars returns missing-code counts, review flags, and a broker-ready customs readiness report you can share without exposing customer PII.
Missing code report
See which products have no harmonized system classification — ranked by export risk, not alphabetically.
Duty rate gap flags
Products classified but not export-ready — low confidence, CA/US conflicts, or stale codes after catalog changes.
Broker-ready summary
Export a CSV your customs broker or 3PL can use on day one — readiness percentage, issue breakdown, and SKU-level flags included.
FAQ
What is a Harmonized System code in Shopify?
A Harmonized System code in Shopify is the product tariff number used for duties and customs forms. The FAQ below also covers how to audit HS codes and what a free customs readiness audit includes.
What is a Harmonized System code in Shopify?
A Harmonized System (HS) code in Shopify is the tariff number stored on a product so Markets can calculate duties and pre-fill customs forms. Without accurate HS codes, cross-border shipments can be delayed, returned, or hit with unexpected duties.
How to audit HS codes across a Shopify catalog?
Enter your store URL and work email above to run a free sample Customs Readiness Audit. You get missing-code counts, review flags, and a shareable summary — then connect Shopify or start a Free workspace to fix gaps in bulk.
What is a free Shopify customs readiness audit?
It is a no-OAuth sample scan of a representative catalog slice that surfaces missing HS codes and duty gaps before you enable Markets or hand files to a broker. Jstars offers 3 free sample scans per day; live full-catalog auditing unlocks after Shopify connect.