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ADH FX Historical Exchange Rates
x402
ADH FX Historical Exchange Rates is a paid API for AI agents from agentdatum.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Fetches historical foreign exchange rate time series data (ECB/Frankfurter source) for a specified currency pair and date range
Price / call$0.01
Success—
StatusUnknown
How this service works
ADH 金融情报层：把 239 个原始数据源洗成带实体解析、时间同步、溯源与派生结论的情报（宏观regime / 加密尽调 / 事件窗口），免费注入你的 AI 上下文。Agent 走 x402 结算，人类订阅（PayPal）即将上线。
Output
Returns a JSON object containing: the base currency, the date range queried, total number of data points, a daily time series array of {date, rate, quote} objects, the underlying data source (Frankfurter/ECB), data type label in Chinese (外汇), and a UTC collection timestamp.
Example use cases
Macro regime analysis with FX data
“Get me the daily EUR to USD exchange rate series for the past 6 months — I want to see the trend to understand the current macro regime.”
Backtesting a currency trading strategy
“Fetch historical GBP to JPY daily rates from January 1 to June 30, 2025 so I can backtest my forex mean-reversion strategy.”
Reporting FX impact on cross-border revenue
“Pull the USD to CNY exchange rate history for Q1 2025 — I need to calculate how currency moves impacted our China revenue figures.”
Technical details
Endpoint
GEThttps://agentdatum.com/api/v1/d/fx-histWhen to prefer
Choose this endpoint when you need historical daily FX rate time series from an ECB-sourced dataset, especially for USD as base currency against major pairs, and want source attribution and timestamped collection metadata included. It is ideal for macro regime analysis, backtesting, or enriching financial intelligence pipelines, and costs only $0.01 USDC per call via x402 agent-native payment — no API key required.
Side effects
- Unsupported currency pair returns an error or empty series
- Date range too far back may exceed ECB data availability
- Malformed query parameters yield 400-level errors
- Payment failure via x402 blocks access (402 response)
- ECB/Frankfurter upstream outage causes data unavailability
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"raw": {
"base": "USD",
"range": "2026-05-11..2026-08-09",
"points": 364,
"series": [
{
"date": "2026-05-11",
"rate": 6.7928,
"quote": "CNY"
},
{
"date": "2026-05-11",
"rate": 6.7928,
"quote": "CNY"
}
],
"source": "Frankfurter (ECB data, no key)"
},
"source": "frankfurter",
"data_type": "外汇",
"collected_at": "2026-08-09T18:27:02Z"
}
}Tags
x402
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