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Real Interest Rates by Economy (BIS Data)
x402
Real Interest Rates by Economy (BIS Data) is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-19).
Returns real interest rates (central bank policy rate minus year-on-year inflation) for ~40-48 economies, ranked, sourced from BIS data.
Price / call$0.004
Success—
StatusUnknown
How this service works
Real interest rate of about 150 economies from the World Bank (bank lending rate adjusted by the GDP deflator), latest year available, ranked. Annual data.
Output
A ranked JSON array of economies, each with country name, ISO country code, central bank official rate (%), year-on-year inflation (%), real interest rate (% = official rate minus inflation), and the reference month. Also includes a total country count and a note clarifying that positive real rates indicate restrictive policy and negative rates indicate loose policy. Source is BIS.
Example use cases
Currency carry trade screening
“Which countries currently have the highest real interest rates versus the lowest? I want to identify the best long/short pairs for a currency carry trade strategy.”
Monetary policy tightness assessment
“Give me a ranked list of major economies by real interest rate so I can see which central banks are running the most restrictive monetary policy right now.”
Emerging market inflation-adjusted rate analysis
“What are the real interest rates in Brazil, Russia, and other emerging markets compared to developed economies — I need to know where real rates are still deeply negative.”
Technical details
Endpoint
POSThttps://api.vextorium.com/v1/real-interest-rates?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pre-computed, multi-economy real interest rate ranking derived from authoritative BIS data, rather than calculating it yourself from separate policy rate and inflation feeds. Ideal for FX carry trade screening, monetary policy comparison dashboards, and macro research covering ~48 economies simultaneously.
Side effects
- Upstream BIS data not yet available for current month — data may lag by weeks
- Empty or partial ranking if fewer economies have reported inflation data
- HTTP 402 if payment via x402 protocol is not properly attached
- Stale data if BIS updates are delayed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"note": "World Bank definition: bank lending rate adjusted by the GDP deflator. Annual data.",
"source": "Source: World Bank, World Development Indicators, CC BY 4.0 (https://datacatalog.worldbank.org/public-licenses#cc-by). Selected and reformatted by Vextorium.",
"ranking": [
{
"name": "Iraq",
"year": "2015",
"country": "IRQ",
"real_rate_pct": 57.63
},
{
"name": "Madagascar",
"year": "2025",
"country": "MDG",
"real_rate_pct": 47.63
}
],
"countries": 148
}
}Tags
x402
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