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Playground demo key · api.reefapi.com
post/academic/v1/topic1 credit

topic search (query) or profile (id): domain>field>subfield hierarchy, keywords, siblings, works/citation counts; include_works for papers (the live replacement for Concepts)

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

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Playground · ReefAPI