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"title": "ECB Exchange Rates API: Daily, Historical, Conversion",
"description": "Official ECB euro reference exchange rates for ~30 currencies: latest, history since 1999, cross rates and conversion of dated invoice amounts (rate, inverse, change %, converted amount). No API key, no login. MCP-ready for AI agents. Pay per result, errors are free. $0.50 per 1,000 rows.",
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"description": "latest: last published ECB reference rates (one day). history: every business day between Start date and End date. convert: convert your list of dated amounts at the ECB rate of their date.",
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"currencies": {
"title": "Currencies",
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"description": "ISO 4217 codes (USD, GBP, CHF, JPY, CNY, PLN...). Leave empty for all ~30 currencies published by the ECB. Used by the latest and history modes.",
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"startDate": {
"title": "Start date",
"type": "string",
"description": "First day of the period (YYYY-MM-DD), history mode. The ECB series starts on 1999-01-04. Default: 30 days before the end date."
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"endDate": {
"title": "End date",
"type": "string",
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"amounts": {
"title": "Amounts to convert",
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"description": "Convert mode only. List of objects: {\"id\": \"INV-001\", \"amount\": 1250.5, \"from\": \"USD\", \"to\": \"EUR\", \"date\": \"2024-03-15\"}. \"to\" defaults to the base currency, \"date\" to today. Weekends and holidays use the last ECB rate before the date (isFallbackDate = true). Invalid items are returned with an \"error\" field and are not charged."
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"maxRows": {
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"type": "integer",
"description": "Stop after this many rate rows (0 = no limit). Useful to cap the cost of large histories (all currencies since 1999 is about 200,000 rows).",
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