Endpoint · researchGETagents.x402stock.xyz /api/v1/treasury-yields
The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent.
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The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stockOverview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
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URL
https://agents.x402stock.xyz/api/v1/treasury-yields
Seen
first 34 days ago · last 14 hr ago
63 free handshakes
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Pays through
x402 · MPP tempo
Offered on?
Base USDC, Tempo USDC.e
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Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.705 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.295: 0.075 uncertain ? + 0.220 short ? · 0.095 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 0.97 | 0.841 | 0.505 | −0.020 | −0.075 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.705 | gap to 1.000 = 0.295 · 0.220 short · 0.075 uncertain | 0.705 | −0.220 | −0.075 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.841 liveness
+ 0.200 × 1.000 price stability
= 0.705 → UNRATED: 57 of 30 paid calls weights 2026.09.6 · 57 samples · seed cap_01M1A5AGK665RRCV1AQNMFFX1F|2026-09-03T10:42:21.759Z|2026.09.6
Verify it yourself
npx teppi-check https://agents.x402stock.xyz/api/v1/treasury-yieldscurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AGK665RRCV1AQNMFFX1F