The playground

Try any of 817 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/otto/v1/categories1 credit

Top-level department tree from homepage, or child categories for a parent path.

Parameters

Parent category path to list children of (omit for top-level departments).

request preview
curl -X POST https://api.reefapi.com/otto/v1/categories \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{}'

Hit Send to run this endpoint live.