United States Sovereign Bond Yields
US ·US Treasuries ·USD ·Americas ·13 maturities
Delayed reference yields for US Treasuries (2Y, 10Y, 30Y, and more). Latest / live yield requires API access.
Yields as of May 27, 2026 (previous month-end close — not live). Latest / live yield requires API access. · 2Y–10Y spread: 43.1 bps
United States yield curve
All maturities for US| Maturity | Yield (delayed) | Latest (API) |
|---|---|---|
| 1M | 3.670% | Unlock |
| 2M | 3.670% | Unlock |
| 3M | 3.673% | Unlock |
| 4M | 3.720% | Unlock |
| 6M | 3.763% | Unlock |
| 1Y | 3.797% | Unlock |
| 2Y bench | 4.033% | Unlock |
| 3Y | 4.078% | Unlock |
| 5Y | 4.161% | Unlock |
| 7Y | 4.302% | Unlock |
| 10Y bench | 4.464% | Unlock |
| 20Y | 5.001% | Unlock |
| 30Y bench | 5.005% | Unlock |
Latest / live yield requires API access
This page shows delayed month-end reference data only. Get an API key for current US Treasuries yields, spreads, and history.
What are United States sovereign bonds?
US Treasuries are the global risk-free benchmark. The 2Y, 10Y, and 30Y points anchor pricing across credit, mortgages, and derivatives worldwide. On Bonds API, ISO code US identifies US Treasuries across available maturities.
This public page lists delayed reference yields as of May 27, 2026 (previous month-end close or the nearest prior trading day). The US 10Y reference yield on that date was 4.46%. The 2Y–10Y spread was 43.1 basis points. Latest / live yield requires API access.
Developers use Bonds API to pull United States yields into risk systems, dashboards, and research workflows via REST JSON endpoints such as /latest, /curve, and /historical — with currency context USD and policy backdrop from the Federal Reserve. Available tenors on the delayed curve include 1M, 2M, 3M, 4M, 6M, 1Y, 2Y, 3Y, 5Y, 7Y, 10Y, 20Y, 30Y.
- Market
- US Treasuries
- Currency
- USD
- Central bank
- Federal Reserve
- Also known as
- US Treasury yields, UST curve, T-notes
API examples for US
Use these endpoints to query US Treasuries with country=US.
GET /latest
Docs →Most recent United States bond yields.
curl "https://bonds-api.com/api/v1/latest?countries=US&api_key=YOUR_API_KEY"
GET /curve
Docs →Full sovereign yield curve for US.
curl "https://bonds-api.com/api/v1/curve?country=US&api_key=YOUR_API_KEY"
GET /historical
Docs →Yield for a specific maturity and date.
curl "https://bonds-api.com/api/v1/historical?country=US&maturity=10Y&date=2025-06-15&api_key=YOUR_API_KEY"