The playground

Try any of 1404 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/udemy/v1/categories1 credit

The live Udemy category taxonomy (Development, Business, IT & Software, Design, …) with ids, titles and slugs. Pass a category_id to drill into its subcategories. Use this to map the Udemy catalogue structure.

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

Hit Send to run this endpoint live.