Product classification hierarchy (HS / SITC)
Product classification entries for a WITS datasource. For TRN this returns the full HS catalog at 6-digit leaf granularity; filter by level to narrow to 2-digit chapters or 4-digit headings. For tradestats-* this returns the 27 named sector groups (e.g. Fuels, 01-05_Animal).
Query parameters
Classification code (HS for Harmonized System, SITC for SITC Rev 2). Filter applied client-side.
Classification code (HS for Harmonized System, SITC for SITC Rev 2). Filter applied client-side.
Digit-level filter (HS: 2 = chapter, 4 = heading, 6 = subheading).
Digit-level filter (HS: 2 = chapter, 4 = heading, 6 = subheading).
Datasource tag. Use trn for the full HS catalog, tradestats-trade or tradestats-tariff for sector groups.
Datasource tag. Use trn for the full HS catalog, tradestats-trade or tradestats-tariff for sector groups.
Reserved for future use. Accepted but ignored today - upstream does not filter the HS catalog by year.
Reserved for future use. Accepted but ignored today - upstream does not filter the HS catalog by year.
Response
Product classification entries.
Example response
{
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "sugra_crypto",
"attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
"fallback_chain": [
"sugra_crypto",
"sugra_finance"
]
}
}