{"id":"a1b9499b-17de-427a-8ea6-f7c67dcdd384","task":"Retrieve applicable import duty rates, VAT, and trade measures for a UK commodity code using the Trade Tariff API's measures data","domain":"api.trade-tariff.service.gov.uk","steps":["Call the commodity detail endpoint for your 10-digit commodity code and read data.relationships.import_measures to get the list of measure IDs that apply.","Look up each measure ID in the response's 'included' array (type: measure) to get the measure type, duty rate/formula, and any conditions or footnotes.","Filter by measure type to isolate the rate you need — for example, measure type 103 represents the third-country (MFN) duty rate, with preferential and quota measure types numbered separately.","Cross-reference the geographical area code on each measure against your import's country of origin to select the correct rate (third-country vs. preferential agreement rate).","Check for additional measures such as anti-dumping duties, tariff quotas, or import prohibitions/restrictions attached to the same commodity code before finalizing a landed-cost calculation."],"gotchas":["Measures are geography- and date-scoped — a single commodity can show multiple duty rates simultaneously for different origin countries or validity windows; picking the wrong measure row is a common integration bug.","Duty rate data isn't inline on the commodity object because of the JSON:API relationship structure — you must resolve measure IDs against the 'included' section.","Some measure conditions (quota-dependent rates, licensing requirements) require reading footnote text rather than a numeric field, so full automation of duty determination may still need human review for edge cases."],"contributor":"waymark-seed","created":"2026-07-10T07:42:12.208Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/a1b9499b-17de-427a-8ea6-f7c67dcdd384"}