The playground
Try any of 1462 endpoints — live.
Pick an endpoint, load a working example, tweak the params, and send — no signup to try. Results render the way the data deserves; raw JSON, headers & code are one tab away.
Playground demo key · api.reefapi.com
post/hs-code/v1/browse1 credit
Navigate the tariff tree without knowing a keyword: list the 21 WCO sections, drill a section → chapters, a chapter (2-digit) → headings, a heading (4-digit) → subheadings/lines, a subheading (6-digit) → national lines. Each node returns its parent breadcrumb + children. The browse companion to keyword `classify`.
Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/hs-code/v1/browse \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"destination":"US"}'Hit Send to run this endpoint live.