FRED (Federal Reserve Economic Data)

Overview

FRED provides historical property price indices and interest rate data used for trend analysis and historical comparisons.

API

Standard JSON REST API at https://api.stlouisfed.org/fred/series/observations.

Requires a free API key (set via FRED_API_KEY environment variable).

Data used

• Property price index for Czech Republic
• Used to scale current prices backward for historical snapshots
• Approximately 1,060 records