How to fetch this data

Interest Rates history and the latest observation are available via a free, keyless REST endpoint. No sign-up; no rate-limit header needed.

GET

https://api.usepancake.com/v1/public/macro/10y-treasury

10-Year Treasury Yield — daily observations.

FreeNo keyPublic

curl https://api.usepancake.com/v1/public/macro/10y-treasury

const res = await fetch('https://api.usepancake.com/v1/public/macro/10y-treasury');
const data = await res.json();
// data.slug, data.latest.value, data.history[0].date …
console.log(data.latest);

import requests

data = requests.get('https://api.usepancake.com/v1/public/macro/10y-treasury').json()
# data['slug'], data['latest']['value'], data['history'][0]['date'] …
print(data['latest'])

{
  "slug": "10y-treasury",
  "name": "10-Year Treasury Yield",
  "unit": "percent",
  "latest": {
    "value": 4.41,
    "asOf": "2026-06-12"
  },
  "history": [
    {
      "date": "2026-06-12",
      "value": 4.41
    },
    {
      "date": "2026-06-11",
      "value": 4.38
    },
    {
      "date": "2026-06-10",
      "value": 4.35
    }
  ]
}

Index all public macro series: GET https://api.usepancake.com/v1/public/macro

Interest Rates rarely trades alone. These rooms share legs or risk drivers with this one.

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How to fetch this data

Rooms that move together