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AnswerPool SEC Filing History
x402
AnswerPool SEC Filing History 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).
Retrieves a complete filing history for any SEC filer from a 4M-row historical index, with accession numbers, form types, filing dates, and document URLs, filterable by form and date.
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
A JSON object containing the filer's CIK, an as-of timestamp, total filing count, index coverage window (index_from and index_to dates), and an array of individual filing records each with accession number, form type, filed date, company name, and direct SEC Archives URL.
Example use cases
Full disclosure history for due diligence
“Get me every SEC filing Tesla has ever made — I need the full historical list with accession numbers and URLs so I can dig into their disclosure history for a due diligence review.”
Track all 8-K filings for event monitoring
“Pull all 8-K filings for Pfizer (CIK 0000078003) from AnswerPool's historical index — I want to see every material event disclosure they've made with the exact filing dates and document links.”
Audit proxy statement cadence
“Retrieve all DEF 14A proxy statements ever filed by Berkshire Hathaway from the SEC filing history index — I need the dates and accession numbers to check how consistently they've filed each year.”
Technical details
Endpoint
GEThttps://answerpool.io/v1/sec/filings/historyWhen to prefer
Choose this endpoint when you need a filer's deep historical filing record beyond what EDGAR's recent feed covers, or when paginating EDGAR directly is too slow. Ideal for due diligence workflows, compliance audits, and multi-year disclosure analysis where you need accession numbers, form types, and direct document URLs in one structured response. Prefer it over the 'recent' shard when you need coverage beyond the last few filings.
Side effects
- Invalid or unknown CIK returns empty results or 404
- Form type filter typo returns no results silently
- Date range outside index coverage window returns empty filings array
- Rate limiting or payment failure returns 402 or 429 error
- Index lag means very recent filings (past few days) may not appear
Output
Schema · Response
{
"type": "json",
"example": {
"cik": "0000320193",
"as_of": "2026-08-31T16:30:00Z",
"count": 1,
"filings": [
{
"url": "https://www.sec.gov/Archives/edgar/data/320193/000143774926028920-index.htm",
"form": "8-K",
"filed": "2026-08-29",
"company": "APPLE INC",
"accession": "0001437749-26-028920"
}
],
"index_to": "2026-08-28",
"index_from": "2021-07-01"
}
}Tags
x402
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