Latest US Treasury daily constant-maturity yields (1mo, 3mo, 6mo, 1y, 2y, 3y, 5y, 7y, 10y, 20y, 30y) as clean JSON. Source: FRED DGS* series (St. Louis Fed), public domain, no key. No params — always returns the most recent published curve.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xaBF4...a9D0 |