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Playground demo key · api.reefapi.com
post/academic/v1/concept1 credit

concept search (query) or profile (id): level, works/citation counts, description; include_works for papers. NOTE: OpenAlex froze the Concepts dataset (ancestors/related now empty) — use `topic` for the live subject hierarchy

Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/academic/v1/concept \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"query":"machine learning"}'

Hit Send to run this endpoint live.

Playground · ReefAPI