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Beta Release: JK Index is in active development. Data coverage is expanding and you may see gaps or inconsistencies as we iterate. Feedback is welcome.
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System Status

Readiness checks for JK Index APIs. No polling — Refresh runs a single check.

Checking readiness…

Running a single readiness check…

API base
https://api.jkindex.io
A 404 on a documented supported /api/v0/* route may mean you are calling the website host instead of this API host. The excluded /api/v0/coverage path is expected to return 404.

The controlled V0 consumer contract is USD-only. The keyed health envelope's FX checks are operator diagnostics and do not imply consumer currency conversion.