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ECB Key Policy Rates API
x402
ECB Key Policy Rates API is a paid API for AI agents from data.greeneris.io, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Returns the current and recent daily levels of the three ECB key interest rates (main refinancing, deposit facility, marginal lending) sourced directly from the ECB Data Portal.
Price / call$0.002
Success—
StatusUnknown
How this service works
Current levels of the three ECB key interest rates -- main refinancing operations (MRR_FR), deposit facility (DFR) and marginal lending facility (MLFR) -- straight from the official ECB Data Portal (dataflow FM, daily levels). Query: ?last=N (1-60, default 1) to include the N most recent daily observations per rate. Returns latest values plus dated series, in percent per annum; served with a 6h cache.
Output
A JSON response containing the latest daily values (in percent per annum) for all three ECB key rates — main refinancing operations (MRR_FR), deposit facility (DFR), and marginal lending facility (MLFR) — plus a dated time series for up to N most recent observations (N = 1–60). Data is served with a 6-hour cache and sourced from the official ECB Data Portal (dataflow FM).
Example use cases
Example prompt
“What are the current ECB key policy rates — can you pull the latest values for the deposit facility, main refinancing, and marginal lending rates, and show me how they've moved over the last 7 days?”
Technical details
Endpoint
GEThttps://data.greeneris.io/v1/eu/policy-ratesWhen to prefer
Use this endpoint when you need authoritative, up-to-date ECB policy interest rate data sourced directly from the ECB Data Portal, especially for financial analysis, macroeconomic monitoring, or compliance workflows requiring the official DFR, MRR_FR, or MLFR values. Prefer this over scraped or third-party rate aggregators when data provenance and accuracy matter.
Side effects
- Invalid 'last' parameter (e.g. outside 1–60 range) may return a 400 or default to 1
- ECB Data Portal upstream unavailability may cause stale or error responses
- Cache may serve data up to 6 hours old if the ECB has just published a rate change
- Network or x402 payment failure prevents the request from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"unit": "percent per annum",
"as_of": "2026-06-17",
"latest": {
"deposit_facility": 2.25,
"main_refinancing": 2.4,
"marginal_lending": 2.65
},
"series": {
"deposit_facility": [
{
"date": "2026-06-17",
"rate": 2.25
}
],
"main_refinancing": [
{
"date": "2026-06-17",
"rate": 2.4
}
],
"marginal_lending": [
{
"date": "2026-06-17",
"rate": 2.65
}
]
},
"source": "European Central Bank Data Portal, dataflow FM (reuse permitted with attribution to the ECB)"
}
}Tags
x402
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