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SelectaRank JGB Yields — Japan Government Bond Yield Lookup
x402
SelectaRank JGB Yields — Japan Government Bond Yield Lookup 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 Japan Government Bond (JGB) yield data for one or more trading days, sourced from the Ministry of Finance Japan, covering multiple tenors (1Y, 2Y, 10Y, etc.).
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
Returns a JSON object with an array of trading-day records, each containing the date and a yields map keyed by tenor (e.g. 1Y, 2Y, 10Y) in percent. Also includes metadata indicating the source (Ministry of Finance, Japan), the unit (percent), and the list of available tenors.
Example use cases
Daily JGB yield snapshot for macro dashboard
“Pull today's Japan government bond yields for all available tenors so I can update my macro rates dashboard.”
Historical JGB yield on specific date
“What were the Japanese government bond yields on March 15, 2025? I need the full tenor breakdown from the Ministry of Finance data.”
30-day JGB trend for analysis
“Fetch the last 30 trading days of Japan government bond yield data so I can analyze the trend in 10-year JGB rates.”
Technical details
Endpoint
GEThttps://selectarank-data.vercel.app/v1/jp/jgb-yields?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need Japan Government Bond yield data sourced directly from the Ministry of Finance Japan, with no API key required, pay-per-call via USDC on Base. Prefer this over scraping or general financial data APIs when you need structured, multi-tenor JGB data for specific historical dates or recent trading windows up to 60 days.
Side effects
- Date not a valid trading day — returns empty data or error if market was closed on requested date
- Days parameter out of range (>60 or <1) — may return validation error
- Date in future — no data available, empty or error response
- Data source temporarily unavailable — upstream Ministry of Finance data feed may lag
- Invalid date format — must be YYYY-MM-DD or request fails
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": [
{
"date": "2026-08-31",
"yields": {
"10Y": 2.943
}
}
],
"meta": {
"source": "Ministry of Finance, Japan"
},
"unit": "percent",
"tenors": [
"1Y",
"2Y",
"10Y"
]
}
}Tags
x402
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