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ECB Total Assets (USD) Time Series
x402
ECB Total Assets (USD) Time Series is a paid API for AI agents from darklyenergized.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-29).
Returns a time series of the European Central Bank's total assets converted to USD, with optional date filtering and statistical summary.
Price / call$0.05
Success—
StatusUnknown
How this service works
ECB Total Assets (USD) ($0.05): European Central Bank total assets converted to USD.
Output
Returns a structured object containing the series ID, name, description, category, frequency, and unit, along with an array of time-indexed data points (date + USD value, nullable where unavailable). Also includes metadata covering total count, data range, freshness status (isStale, lastObservation, frequency), and optionally a statistical summary instead of raw data points.
Example use cases
ECB balance sheet expansion analysis
“Fetch the ECB total assets in USD from January 2015 through December 2023 so I can chart how the balance sheet grew during the QE and pandemic eras.”
Current ECB balance sheet snapshot
“What is the most recent value for ECB total assets in USD? Just get me the latest data point.”
Multi-central-bank liquidity comparison
“Get me the ECB total assets in USD for the last 3 years — I'm comparing it against the Fed and Bank of Japan balance sheets to track global central bank liquidity trends.”
Technical details
Endpoint
GEThttps://darklyenergized.com/api/v1/x402/series/cb_usd_ecbassetsw?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need ECB-specific total asset data converted to USD — especially useful when comparing across central banks in a common currency. Prefer this over general financial data APIs when you need pre-converted USD values with freshness metadata. Ideal for macro research, global liquidity tracking, or feeding into multi-central-bank composite indicators.
Side effects
- Invalid date format (non-YYYY-MM-DD) returns a 400 error
- 'from' date after 'to' date results in empty or error response
- limit exceeding 10000 returns a validation error
- Payment not provided or insufficient funds triggers 402 Payment Required
- Requesting dates before data series begins returns empty data array
- Series temporarily stale if ECB source data not yet published
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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