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Ambolt ECB Key Interest Rates
x402
Ambolt ECB Key Interest Rates is a paid API for AI agents from api.ambolt.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-11).
Returns the European Central Bank's three key policy interest rates (deposit facility, main refinancing, and marginal lending) with recent historical observations.
Price / call$0.003
Success—
StatusUnknown
How this service works
Pay-per-call data tools for developers and AI agents: company registers, documents, tenders, rates and on-chain facts as MCP tools, x402 endpoints and Apify Actors.
Output
A JSON object containing an array of three ECB rate series (deposit facility, main refinancing operations, marginal lending facility), each with a key, human-readable label, the latest rate observation (date + percentage), and a configurable number of historical observations. Also includes source attribution text and a fetchedAt timestamp.
Example use cases
Briefing on ECB monetary policy
“What are the ECB's three key interest rates right now, and how have they moved over the last 4 meetings? I want a quick summary for a client briefing.”
Financial model rate input
“Pull the latest ECB deposit facility rate and the last 8 data points for all three key rates — I need to plug them into a spreadsheet model for a European credit analysis.”
Rate change monitoring alert
“Fetch the ECB key rates and tell me whether the deposit facility rate has changed since the previous observation — I want to know if there's been a recent cut or hike.”
Technical details
Endpoint
GEThttps://api.ambolt.dev/v1/ecb-key-rates?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time or recently cached ECB official policy interest rates with historical context in a single structured call, especially in agent workflows that require micropayment-friendly (x402) access without API key management. Prefer this over scraping ECB website directly or using general financial data APIs when you specifically need the three ECB key rates with clean JSON output and per-call pricing.
Side effects
- Payment required (402) if x402 micropayment header is missing or insufficient
- ECB Data Portal upstream unavailable — may return 5xx or stale data
- Invalid history parameter (outside 1–24 range) returns validation error
- Network timeout if ECB source is slow to respond
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"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"
}
}Tags
x402
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