Exchange insurance funds: the latest hourly reading per covered venue (USD total, per asset, 24h and 7d change, fund against perpetual open interest), every pool and daily closes per venue.

Free with an account key (Authorization: Bearer bk_...; a free key comes with any verified account, required for programs from 2026-09-10). Licence: personal and research use with attribution; commercial use with the Business plan. Query: venue, days<=366, pools=0.