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ECB Key Interest Rates: Deposit, Refinancing, Marginal Lending

The three ECB key interest rates with their latest change dates and recent history. Data only, not advice.

x402: $0.003 per callMCP tool: ecb_key_rates

Input

ParameterTypeDefaultDescription
historyinteger4Number of most recent rate observations per series.

* required

Source and freshness

Source and licence
European Central Bank, ECB Data Portal (reuse permitted with attribution). Dates are the series' observation dates.
Last verified
2026-10-03 (hourly check against the live source)

Use it

HTTP (x402)

curl -i "https://api.ambolt.dev/v1/ecb-key-rates?history=2"

Returns 402 Payment Required with the price until an x402 payment is attached; @x402/fetch does this for you. See Get started.

MCP

{ "mcpServers": { "ambolt": { "url": "https://api.ambolt.dev/mcp" } } }
# then call the tool: ecb_key_rates

Apify

Not published as an Actor yet.

Example response

{
  "rates": [
    {
      "key": "deposit_facility",
      "label": "Deposit facility rate",
      "latest": {
        "date": "2026-09-16",
        "ratePct": 2.5
      },
      "history": [
        {
          "date": "2026-09-16",
          "ratePct": 2.5
        },
        {
          "date": "2026-06-17",
          "ratePct": 2.25
        }
      ]
    },
    {
      "key": "main_refinancing",
      "label": "Main refinancing operations rate (fixed)",
      "latest": {
        "date": "2026-09-16",
        "ratePct": 2.65
      },
      "history": [
        {
          "date": "2026-09-16",
          "ratePct": 2.65
        },
        {
          "date": "2026-06-17",
          "ratePct": 2.4
        }
      ]
    },
    {
      "key": "marginal_lending",
      "label": "Marginal lending facility rate",
      "latest": {
        "date": "2026-09-16",
        "ratePct": 2.9
      },
      "history": [
        {
          "date": "2026-09-16",
          "ratePct": 2.9
        },
        {
          "date": "2026-06-17",
          "ratePct": 2.65
        }
      ]
    }
  ],
  "source": "Source: European Central Bank, ECB Data Portal (reuse permitted with attribution). Dates are the series' observation dates.",
  "fetchedAt": "2026-10-02T21:35:42.198Z"
}

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