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SelectaRank Data Gateway – US Treasury Yields
x402
SelectaRank Data Gateway – US Treasury Yields is a paid API for AI agents from selectarank-data.vercel.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).
Returns US Treasury yield curve data (e.g. 10-year yield) for the latest 1–30 trading days, sourced from the US Department of the Treasury, via pay-per-call x402 micropayment on Base USDC.
Price / call$0.002
Success—
StatusUnknown
How this service works
Pay-per-call access to public-domain data (USGS earthquakes, NOAA/NWS forecasts, World Bank indicators) plus an x402 endpoint pre-payment checker over x402 on Base USDC. No account or API key.
Output
A JSON object containing an array of daily Treasury yield records (date + yield percentage by maturity such as 10Y), along with metadata indicating the source (US Department of the Treasury) and the unit (percent).
Example use cases
Daily interest rate monitoring for portfolio
“Give me today's US Treasury 10-year yield so I can update my fixed income portfolio model.”
Macro research on recent yield trend
“Fetch Treasury yield data for the last 30 trading days — I'm analyzing how the yield curve has moved over the past month.”
Risk-free rate input for valuation model
“I need the current 10-year Treasury yield as a risk-free rate input for my DCF model — just pull the most recent trading day.”
Technical details
Endpoint
GEThttps://selectarank-data.vercel.app/v1/us/treasury-yields?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need quick, no-account, pay-per-call access to US Treasury yield curve data with no API key setup. Ideal for AI agents that need real-time or recent risk-free rate data for financial calculations, macroeconomic monitoring, or portfolio analytics. Prefer this over scraping Treasury.gov directly or using heavier financial data providers when cost-per-call micropayment (0.002 USDC) is acceptable and simplicity matters.
Side effects
- Invalid 'days' parameter (outside 1–30 range) may return an error or empty data
- Payment failure via x402 if USDC balance is insufficient or Base network is congested
- No data available for non-trading days (weekends, holidays) — response may be empty or cover fewer days than requested
- Service outage if Treasury data source is temporarily unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": [
{
"date": "2026-09-26",
"yields": {
"10Y": 4.1
}
}
],
"meta": {
"source": "US Department of the Treasury"
},
"unit": "percent"
}
}Tags
x402
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