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GET
/
v1
/
treasury
/
yields
/
spread
Yield spread over time
curl --request GET \
  --url https://api.vintl.io/v1/treasury/yields/spread \
  --header 'X-API-Key: <api-key>'
{
  "object": "yield_spread",
  "results": [
    {
      "trade_date": "2026-03-24T00:00:00Z",
      "long_rate": "4.39",
      "short_rate": "3.90",
      "spread_bps": "49.00",
      "long_maturity": "10Y",
      "short_maturity": "2Y"
    }
  ]
}

Documentation Index

Fetch the complete documentation index at: https://docs.vintl.io/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
X-API-Key
string
header
required

API key prefixed with mda_live_sk_

Query Parameters

​
long
string
default:10Y

Long-end maturity

​
short
string
default:2Y

Short-end maturity

​
curve_type
string
default:PAR
​
from
string<date>

Start date (YYYY-MM-DD)

​
to
string<date>

End date (YYYY-MM-DD)

Response

Spread time series with basis points

​
object
string
Example:

"yield_spread"

​
results
object[]
Last modified on April 2, 2026