CargoLint is a customs document validation platform for freight forwarders and customs brokers. Users upload the documents for a shipment, such as commercial invoices, packing lists, bills of lading and certificates of origin. CargoLint extracts each field and gives it a confidence score. It recommends HS codes and checks them against the official tariff schedule. It compares the documents in a shipment and flags mismatches in origin, line items, package counts and dates. Incoterm-aware checks flag VAT and duty issues before filing. Fields below 70 percent confidence go to a review queue, where licensed staff confirm them and approve the shipment. Each document keeps an audit trail of the original file, the extracted data, the reviewer's changes and the compliance result. Each workspace is isolated, and customer documents are not used to train shared or public models. Validated data is available through a REST API and webhooks.