One account. Every library.
Your free ElkassabgiData key unlocks the whole family: IP Data Library (this site) and HF Data Library — 1-minute intraday U.S. equity data — and Econ Data Library — economic & financial time series.
Open endpoints for browsing, a free family key for the bundles.
Base URL: https://api.ipdatalibrary.com
No key needed:
GET /v1 — API indexGET /v1/bundles — list the snapshot-pinned bundles with sizes, vintages and download pathsGET /v1/stats — library statisticsFree ElkassabgiData key — one key works across every family library:
GET /v1/bundles/{vintage}/{file} — download a bundle (Parquet)GET /v1/me — the signed-in accountAuthenticate with an X-API-Key header. Get a free key
by registering at any family library (e.g. the
HF Data Library download page) — or just
sign in here and the site's download buttons authenticate for you.
List bundles, then download one:
curl https://api.ipdatalibrary.com/v1/bundles
curl -L -H "X-API-Key: YOUR_KEY" -o patent_measures.parquet \
"https://api.ipdatalibrary.com{download path from /v1/bundles}"Responses carry x-citation and x-snapshot-vintage headers; rate
limits match the family standard and the endpoint answers with honest JSON errors.
One account. Every library.
Your free ElkassabgiData key unlocks the whole family: IP Data Library (this site) and HF Data Library — 1-minute intraday U.S. equity data — and Econ Data Library — economic & financial time series.