{"service":"cz-policy-rate","note":"Preview response with example params. Paid endpoint: POST /api/data/cz-policy-rate","exampleParams":{"region":"National"},"sample":{"region":"National","rate":null,"unit":"percent","source":"cnb:2w-repo-rate","notice":"CNB policy-rate history is published through official rates pages/downloads; a stable machine-readable series is not yet normalized in this provider."}}