CMS.gov vs Coronavirus

CMS Provider Data Catalog exposes hundreds of Medicare quality, cost, and comparison datasets (hospitals, nursing homes, dialysis facilities, and more) through a DKAN-based metastore and datastore API that returns JSON by default and CSV on request, with no signup required. A live GET against the dataset-listing and datastore query endpoints succeeds with no credentials. A live Origin-header probe against the datastore query endpoint returns no Access-Control-Allow-Origin header on either a GET or an OPTIONS preflight, and since access needed no key at all, the stored 'API Key' auth was corrected to 'None'.

A Pipedream-hosted proxy that returns confirmed-case, recovery, and death counts originally sourced from Johns Hopkins University's CSSE COVID-19 tracker, exposing global, mainland-China, and non-China summary stats plus the raw per-region breakdown as JSON at coronavirus.m.pipedream.net. JHU's underlying spreadsheet feed was retired on 2023-03-09, so the endpoint now serves that final historical snapshot on every request rather than live updates, cached via Pipedream's $checkpoint for 5 minutes. A live GET against the endpoint returns Access-Control-Allow-Origin: *, resolving the stored 'unknown' cors to 'yes'.