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AnswerPool Shares Outstanding
x402
AnswerPool Shares Outstanding is a paid API for AI agents from answerpool.io, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Returns deduplicated common shares outstanding time series from SEC XBRL filings for a given company, by period.
Price / call$0.02
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
A JSON object containing the company's CIK, an as-of timestamp, and an array of fact point rows each with end date, share count value, fiscal period (fp), fiscal year (fy), form type (e.g. 10-Q), and filed date. Also includes the source URL pointing to the underlying SEC EDGAR XBRL concept data and a disclaimer.
Example use cases
Dilution analysis for EPS model
“Get me the quarterly common shares outstanding series for Microsoft (MSFT) from SEC XBRL so I can track dilution over the last few years for my EPS model.”
Per-share valuation for small-cap filer
“I need the shares outstanding history for CIK 0000320193 — pull all the reported periods from their EDGAR filings so I can compute price-to-earnings per share.”
Comparing share counts across peer companies
“Fetch the shares outstanding time series for both Tesla and GM — use tickers TSLA and GM — so I can compare their dilution levels side by side.”
Technical details
Endpoint
GEThttps://answerpool.io/v1/sec/xbrl/sharesWhen to prefer
Use this endpoint when you need a clean, deduplicated time series of common shares outstanding sourced directly from SEC XBRL, without parsing companyfacts JSON or cover pages yourself. Prefer it over raw EDGAR APIs when you want period-labeled, form-attributed share counts ready for per-share or dilution calculations. Best for financial modeling, EPS computation, or equity research workflows that need historical share counts by fiscal quarter or year.
Side effects
- Missing ticker and CIK — at least one must be provided or the request fails
- Invalid CIK format — must be numeric and up to 10 digits
- Unknown ticker — not mapped to a SEC filer, returns error or empty
- Company has no XBRL shares outstanding data filed — returns empty points array
- Rate limit or payment failure via x402 — call rejected before data is returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"cik": "0000320193",
"as_of": "2026-08-31T14:00:00Z",
"points": [
{
"fp": "Q3",
"fy": 2026,
"end": "2026-06-28",
"form": "10-Q",
"filed": "2026-08-01",
"value": 15000000000
}
],
"source": "https://data.sec.gov/api/xbrl/companyconcept/CIK0000320193/us-gaap/CommonStockSharesOutstanding.json"
}
}Tags
x402
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