DutyBird: Daily-updated US tariff data from 8 government sources. Section 301 rates, active exclusions, Treasury collections, and Federal Register notices — machine-readable JSON, updated every 6 hours. https://dutybird.io
supply-chain trade international-trade hts-codes federal-register trade-data tariffs import-duty us-customs trade-policy section-301
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Updated
Mar 28, 2026