GET /v2/economy/treasury-yields

The latest US Treasury yield curve

economy_getTreasuryYields

The most recent published US Treasury par yield curve, from one month to thirty years. Use it as a risk-free reference curve.

Details

The curve is one row in data.results: date and yield_1_month, yield_3_month, yield_1_year, yield_2_year, yield_5_year, yield_10_year and yield_30_year.

Units

Yields are percent (4.06 = 4.06%); date is ISO YYYY-MM-DD.

Freshness

Daily data, published after the close, served from a shared cache that refreshes at most hourly.

Limits

No per-operation limit applies to requests with an API key.

Example

http

GET /v2/economy/treasury-yields

json

{
  "data": {
    "results": [
      {
        "date": "2026-09-24",
        "yield_1_month": 4.01,
        "yield_3_month": 4.24,
        "yield_1_year": 4.51,
        "yield_2_year": 4.87,
        "yield_5_year": 5.03,
        "yield_10_year": 5.18,
        "yield_30_year": 5.47
      }
    ],
    "status": "OK"
  }
}

Response

Prices are dollars, timestamps epoch milliseconds, strikes integer thousandths of a dollar; null means unknown. Units →

200application/json

The latest curve as one row in data.results (yields in percent); meta.plane is cache when served from the shared cache

object

Errors

Every error is the JSON error envelope; branch on error.code.

Status	Meaning
401	`unauthenticated`
502	`internal` — the data source failed upstream
503	`internal` — the data source is not configured on this deployment

Request

curl -sS "https://api.itmatrixhq.com/v2/economy/treasury-yields" \
  -H "Authorization: Bearer $ITM_API_KEY"

import os
import httpx

response = httpx.get(
    "https://api.itmatrixhq.com/v2/economy/treasury-yields",
    headers={"Authorization": f"Bearer {os.environ['ITM_API_KEY']}"},
    timeout=30,
)
print(response.status_code, response.json())

import os
import itmatrix as itm

with itm.ITMClient(api_key=os.environ["ITM_API_KEY"]) as client:
    result = client.economy.treasury_yields()
    print(result.status, result.data)

const url = new URL("https://api.itmatrixhq.com/v2/economy/treasury-yields");

const response = await fetch(url, {
  headers: { Authorization: `Bearer ${process.env.ITM_API_KEY}` },
});
console.log(response.status, await response.json());

import { ITMClient } from "@itmatrixhq/core";

const client = new ITMClient({ apiKey: process.env.ITM_API_KEY });
const result = await client.economy.treasuryYields();
console.log(result.status, result.data);