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Darkly Energized – Bank of Japan Total Assets (USD)
x402
Darkly Energized – Bank of Japan Total Assets (USD) 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 Bank of Japan total assets converted to USD, with optional date filtering and statistical summaries.
Price / call$0.05
Success—
StatusUnknown
How this service works
Bank of Japan Total Assets (USD) ($0.05): Bank of Japan total assets converted to USD.
Output
Returns a JSON object containing the time series data array (each item with a date and USD asset value), plus metadata including the series name, description, category, frequency, unit, data range covered, freshness status (isStale, lastObservation), and pagination info for large result sets. If the summary flag is set, returns statistical aggregates instead of raw data points.
Example use cases
Macro dashboard BoJ balance sheet tracking
“Fetch the Bank of Japan total assets in USD from 2010-01-01 to today so I can chart how the BoJ's balance sheet has grown over the past decade.”
Global central bank liquidity comparison
“Get the latest Bank of Japan total assets in USD — I want to compare it against the Fed and ECB balance sheets to see which central bank is expanding fastest right now.”
Quantitative easing impact research
“Give me a statistical summary of the Bank of Japan total assets in USD over the period from 2013-04-01 to 2023-04-01 so I can analyze the impact of Abenomics QE on the BoJ balance sheet size.”
Technical details
Endpoint
GEThttps://darklyenergized.com/api/v1/x402/series/cb_usd_jpnassets?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need Bank of Japan balance sheet data specifically expressed in USD for cross-currency comparison with other central banks. It is ideal for macro analysts, global liquidity trackers, or quantitative researchers who need BoJ asset data in a consistent USD denomination alongside sibling series for Fed, ECB, PBoC, and other major central banks available on the same platform.
Side effects
- Invalid date format (non-YYYY-MM-DD) returns a 400 error
- 'from' date after 'to' date returns empty or error response
- limit exceeding 10000 returns a validation error
- Payment not made or x402 payment header missing returns a 402 Payment Required response
- Date range with no available data returns an empty data array
- Stale data if the underlying BoJ source has not updated recently
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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