{"uid":"cap_T3mA4YCChP8UB2sG7__Wm","slug":"ambolt-ecb-key-interest-rates-4c2d0cbe","name":"Ambolt ECB Key Interest Rates","description":"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.","url":"https://api.ambolt.dev/v1/ecb-key-rates?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"const":"http"},"method":{"enum":["GET","POST"]},"queryParams":{"type":"object","properties":{"history":{"type":"integer","default":4,"maximum":24,"minimum":1,"description":"Number of most recent rate observations per series."}},"additionalProperties":false}}}}},"responseSchema":{"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"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_d0XLZpBkqsvosV9HmqFiQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the European Central Bank's three key policy interest rates (deposit facility, main refinancing, and marginal lending) with recent historical observations.","exampleAgentPrompt":"What are the current ECB key interest rates? Give me the last 6 observations for each rate so I can see the recent trend.","exampleUseCases":[{"title":"Briefing on ECB monetary policy","prompt":"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."},{"title":"Financial model rate input","prompt":"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."},{"title":"Rate change monitoring alert","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:45:29.508Z","isFirstParty":false,"canonicalSlug":"ambolt-ecb-key-interest-rates-4c2d0cbe"}