The playground
Try any of 1042 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/academic/v1/citations1 credit
papers that cite this work (cursor-paginated)
Working example
Parameters
Paper id — OpenAlex id (W…), OR DOI (10.…), OR arXiv id, OR PMID.
Results per page (1-200, default 25); clamped. (1–200)
OpenAlex cursor for deep pagination (use '*' for the first page, then meta.next_cursor).
request preview
curl -X POST https://api.reefapi.com/academic/v1/citations \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"id":"W3009885589"}'Hit Send to run this endpoint live.