US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09

Tariff Data Licensing

By contract

The effective-dated dataset and bulk files for embedding and research (a daily delta feed is coming soon).

Bulk snapshots of each release (SQLite today) for OEM and trade-management vendors, analysts and law firms. Enterprise plan or a licence; redistribution terms by contract.

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At a glance

Status: By contract
Endpoint: GET /v1/datasets/tariffs/snapshot
Data: Tariffs dataset 1.0.0, built 2026-10-10.

What is included

Full SQLite snapshot of each release (Enterprise)
CSV and Parquet exports of effective rates with a daily delta Coming soon
Reference results as a downloadable test fixture Coming soon

How it differs

Effective-dated rules with citations, not a flat rate table.
Public-domain US sources.
Versioned releases you can cite.

Plans

By contract: bulk snapshots are part of the Enterprise plan (GET /v1/datasets/tariffs/snapshot), and licences for redistribution are agreed case by case. Write to support@htscalculator.com.

Status: By contract. All products.