ECB Marginal Lending Facility Rate
ECB marginal lending facility rate. Upper bound of the ECB interest rate corridor. Banks use this for overnight borrowing from the ECB.
Country
EU
EUR
Frequency
daily
Update cadence
Category
Central Bank
Rate type
Access
REST API
JSON · CSV
ECB Marginal Lending Facility Rate is a central bank policy rate — the interest rate at which a country's central bank lends money to commercial banks. It is the primary tool used by monetary authorities to control inflation, stabilize the currency, and influence overall economic activity.
Central bank rates serve as the floor for all borrowing costs in an economy. They directly influence mortgage rates, consumer loans, corporate bonds, and the exchange rate. Investors, economists, and financial institutions closely monitor these rates as leading indicators of monetary policy direction.
Click each endpoint to see the request URL, parameters, and a sample response.
API Request
https://interestratesapi.com/api/v1/latest?api_key=YOUR_API_KEY&symbols=ECB_MLF
Request Parameters
| Parameter | Required | Description |
|---|---|---|
| api_key | required | Your API key. |
| symbols | required | Comma-separated symbol codes. E.g. ECB_MLF |
Sample Response
{
"success": true,
"date": "2026-05-26",
"rates": {
"ECB_MLF": 4.25
},
"dates": {
"ECB_MLF": "2026-05-26"
}
}
API Request
https://interestratesapi.com/api/v1/historical?api_key=YOUR_API_KEY&symbols=ECB_MLF&date=2026-05-26
Request Parameters
| Parameter | Required | Description |
|---|---|---|
| api_key | required | Your API key. |
| symbols | required | Symbol code(s). E.g. ECB_MLF |
| date | required | Date in YYYY-MM-DD format. |
Sample Response
{
"success": true,
"historical": true,
"date": "2026-05-26",
"rates": {
"ECB_MLF": 4.25
}
}
API Request
https://interestratesapi.com/api/v1/timeseries?api_key=YOUR_API_KEY&symbols=ECB_MLF&start_date=2026-05-03&end_date=2026-06-02
Request Parameters
| Parameter | Required | Description |
|---|---|---|
| api_key | required | Your API key. |
| symbols | required | Symbol code(s). E.g. ECB_MLF |
| start_date | required | Start date (YYYY-MM-DD). |
| end_date | required | End date (YYYY-MM-DD). |
Sample Response
{
"success": true,
"symbols": [
"ECB_MLF"
],
"rates": {
"2026-05-03": {
"ECB_MLF": 4.25
},
"2026-06-02": {
"ECB_MLF": 4.25
}
}
}
API Request
https://interestratesapi.com/api/v1/fluctuation?api_key=YOUR_API_KEY&symbols=ECB_MLF&start_date=2026-05-03&end_date=2026-06-02
Request Parameters
| Parameter | Required | Description |
|---|---|---|
| api_key | required | Your API key. |
| symbols | required | Symbol code(s). E.g. ECB_MLF |
| start_date | required | Start date (YYYY-MM-DD). |
| end_date | required | End date (YYYY-MM-DD). |
Sample Response
{
"success": true,
"fluctuation": {
"ECB_MLF": {
"start_rate": 4.25,
"end_rate": 4.37,
"change": 0.12,
"change_pct": 2.8235
}
}
}
API Request
https://interestratesapi.com/api/v1/ohlc?api_key=YOUR_API_KEY&symbols=ECB_MLF&start=2026-05-03&end=2026-06-02&period=monthly
Request Parameters
| Parameter | Required | Description |
|---|---|---|
| api_key | required | Your API key. |
| symbols | required | Symbol code. E.g. ECB_MLF |
| start | required | Start date (YYYY-MM-DD). |
| end | optional | End date (YYYY-MM-DD). Defaults to today. |
| period | optional | Grouping: monthly (default), weekly, quarterly. |
Sample Response
{
"success": true,
"symbol": "ECB_MLF",
"period": "monthly",
"ohlc": [
{
"period": "2026-05",
"open": 4.25,
"high": 4.5,
"low": 4.15,
"close": 4.37,
"data_points": 21
}
]
}
API Request
https://interestratesapi.com/api/v1/convert?api_key=YOUR_API_KEY&from=ECB_MLF&to=FED_FUNDS&amount=1
Request Parameters
| Parameter | Required | Description |
|---|---|---|
| api_key | required | Your API key. |
| from | required | Source symbol. E.g. ECB_MLF |
| to | required | Target symbol. E.g. FED_FUNDS |
| amount | required | Amount to convert. |
| term_months | optional | Term in months for interest calculation (default 12). |
Sample Response
{
"success": true,
"from": "ECB_MLF",
"to": "FED_FUNDS",
"amount": 1,
"result": 0.981524
}
YOUR_API_KEY with your key
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Get live and historical ECB Marginal Lending Facility Rate data in JSON format. One API, 50+ countries, normalized.