yield curve API

Discover how to leverage real-time data and analysis of El Salvador sovereign bond yields with our Finance API. Make informed investment dec...

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 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 US 30-year Treasury yield API returns the 30Y tenor as JSON. Bonds-API GET /api/v1/latest?countries=US&maturities=30Y. Official curve sibl...

A US 5-year Treasury yield API returns the 5Y tenor as JSON. Bonds-API GET /api/v1/latest?countries=US&maturities=5Y. Official curve sibling...

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 2-year Treasury yield API returns the 2Y tenor as JSON. Bonds-API GET /api/v1/latest?countries=US&maturities=2Y. Official curve sibling...

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

A US 3-month Treasury yield API returns the 3M tenor as JSON. Bonds-API GET /api/v1/latest?countries=US&maturities=3M. Official curve siblin...

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

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...

Bonds-API MG not in catalog. Official US curve 2026-04-14: 3M 4.30 / 30Y 4.55. Starter $19/mo, 7-day trial.