Trade and Customs Reference

Harmonized System codes, Incoterms 2020 rules and UN/LOCODE ports and trade locations for trade and customs work.

payments ON MAINNET (real money) · 8 live endpoints

EndpointPriceWhat it answers
GET /hs-chapter$0.02List a Harmonized System 2022 chapter (01-97): title, section, and its headings or 6-digit subheadings.
GET /hs-lookup$0.02Harmonized System 2022 code (2, 4 or 6 digits) to description, section, chapter and parent chain. No duty rates.
GET /hs-search$0.02Search Harmonized System 2022 codes by words in the description; filter by heading or subheading level and chapter.
GET /hs-structure$0.02Parse an HS code into chapter, heading and subheading parts, flag reserved or national-use digits, and format it.
GET /incoterm-compare$0.03Compare two Incoterms 2020 rules item by item: who clears export and import, pays carriage and insurance, bears risk.
GET /incoterm$0.02Explain one Incoterms 2020 rule (EXW, FCA, CPT, CIP, DAP, DPU, DDP, FAS, FOB, CFR, CIF) with a seller vs buyer table.
GET /locode-lookup$0.02UN/LOCODE (for example NLRTM) to place name, country, port/rail/airport function flags, status and coordinates.
GET /locode-search$0.02Search UN/LOCODEs by place name, optionally within a country or by port, rail, airport function; capped at 50.

GET /catalog returns this list as JSON. Activity hub · uptime.


Reference data: Harmonized System 2022 six-digit codes (UN Comtrade copy, ODC-PDDL) and UN/LOCODE (UNECE; licence for redistribution unclear). Incoterms summaries are written in our own words and are not the ICC text. National tariff lines beyond six digits and duty rates are NOT included. Not customs, legal or trade-compliance advice; classification is a legal determination, so confirm with the customs authority, a broker or the official WCO and ICC publications. Every paid response carries a disclaimer field.