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For the complete documentation index, see llms.txt. This page is also available as Markdown.

Overview

Share product catalog data with ESW to calculate duties and taxes at checkout and support customs compliance.

The Customs Catalog API ingests retailer product catalogs, classifies items using Harmonized System (HS) codes, and serves per-product duty and VAT rates to downstream checkout and shipment systems.

Use the Customs Catalog API to share your product catalog with ESW. ESW uses this data to calculate duties and taxes at checkout. It also supports customs compliance for cross-border shipments.

For catalog file integration, see catalog file to send your product master data to ESW.

What this API does

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Catalog Ingestion

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HS Classification

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Duty & VAT Lookup

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Error Management

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VAT Configuration

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Duty Rules

Catalog basics

A catalog is the product dataset you share with ESW.

Each record usually represents one product or variant.

Typical fields include:

  • Product code

  • Name

  • Description

  • Material

  • Country of origin

  • HS code

  • HS code region

You can also send category, size, gender, age group, product URLs, image URLs, and extra identifiers.

NextCore Concepts

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