Free Polish financial data API: NBP rates, WIBOR, POLSTR, CPI, FX, bond yields, RCN flat transaction prices, rents, economic calendar. No key, OpenAPI, CC BY 4.0.
real-estate rest-api openapi open-data housing-prices poland gus financial-data inflation interest-rates economic-calendar nbp wibor bond-yields polstr
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Updated
Oct 28, 2026 - TypeScript