financial analysis API

A US 10Y Treasury yield API returns US_10Y as JSON. Bonds-API GET /api/v1/latest takes ISO country codes and maturities. Starter $19/mo, 7-d...

A German Bund 10Y yield API returns DE_10Y as JSON. Bonds-API GET /api/v1/latest takes ISO country codes and maturities. Starter $19/mo, 7-d...

A US Treasury yield curve API returns 3M–30Y yields plus spread_2y_10y. Bonds-API GET /api/v1/curve?country=US. Official sample: 45.0 bps, i...

A bond yield fluctuation API returns start_yield, end_yield, change, and change_pct. Bonds-API GET /api/v1/fluctuation. Official sample date...

An Italy–Germany 10Y spread API returns spread_bps as JSON. Bonds-API GET /api/v1/spread?country=IT&benchmark=DE&maturity=10Y. Official samp...

A Spanish 10Y bond yield API returns ES_10Y as JSON. Bonds-API GET /api/v1/latest. Official sample dated 2026-04-14 prints ES_10Y 3.50. Star...

Whether you are building a fixed-income dashboard, a macro research tool or just need a reliable source of sovereign bond yields inside your...