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AnswerPool XBRL Concept Series
x402
AnswerPool XBRL Concept Series is a paid API for AI agents from answerpool.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Fetches a deduplicated time-series of a single XBRL financial metric (e.g. revenue, net income) for a specific SEC filer, returning all 10-K/10-Q reported values with periods and source URL.
Price / call$0.005
Success—
StatusUnknown
How this service works
AnswerPool turns SEC EDGAR, the Federal Register, USAspending, NIH, BLS and OpenAlex into structured JSON answers that AI agents and developers fetch in one call. 69 endpoints free, no account; derived analyses $0.02–$0.05 per call by card credits or USDC (x402). MCP server, full provenance.
Output
Returns a JSON object containing the filer's CIK, the resolved us-gaap XBRL tag, the reporting unit (e.g. USD), an as-of timestamp, and an array of data points each containing fiscal period, fiscal year, period end date, form type (10-K or 10-Q), filed date, and reported numeric value. Also includes the direct SEC source URL for the underlying company concept JSON.
Example use cases
Track quarterly revenue trends
“Get me Apple's quarterly revenue history from their SEC XBRL filings — all the deduplicated 10-Q and 10-K values with fiscal periods. Apple's CIK is 0000320193 and the tag is Revenues.”
Compare net income across years
“Fetch the net income XBRL series for Microsoft (CIK 0000789019) from SEC filings so I can see how their annual earnings have changed over time — use the us-gaap NetIncomeLoss tag.”
Automate financial model data ingestion
“For my financial model I need the as-reported long-term debt values for Tesla (CIK 0001318605) from all their 10-K and 10-Q filings — pull the LongTermDebt XBRL concept series with filed dates and period end dates.”
Technical details
Endpoint
GEThttps://answerpool.io/v1/sec/xbrl/conceptWhen to prefer
Choose this endpoint when you need a single XBRL financial metric time series for one SEC filer without downloading the full companyfacts JSON (which can be megabytes). Ideal for agents that need just one number's history — revenue, net income, EPS, cash, etc. — efficiently and at low cost per call. Prefer this over direct SEC EDGAR API calls when you want deduplication of overlapping fiscal period filings already handled.
Side effects
- Invalid or unknown CIK returns an error or empty result
- Unrecognized XBRL tag (us-gaap concept not filed by this company) returns empty points array
- Company has not filed XBRL-tagged filings (pre-mandate filers) returns no data
- Rate limiting or payment failure (x402) blocks the request
- Metric alias not mapped to a known us-gaap tag returns an error
Output
Schema · Response
{
"type": "json",
"example": {
"cik": "0000320193",
"tag": "Revenues",
"unit": "USD",
"as_of": "2026-08-31T14:00:00Z",
"metric": "revenue",
"points": [
{
"fp": "Q3",
"fy": 2026,
"end": "2026-06-28",
"form": "10-Q",
"filed": "2026-08-01",
"value": 94000000000
}
],
"source": "https://data.sec.gov/api/xbrl/companyconcept/CIK0000320193/us-gaap/Revenues.json"
}
}Tags
x402
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