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Signal Nodus SEC Filings List
x402
Signal Nodus SEC Filings List is a paid API for AI agents from api.signalnodus.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns a list of SEC filings (e.g. 10-K, 10-Q) for a company, with accession numbers and filing dates, as an on-ramp to year-over-year section diffs.
Price / call$0.01
Success—
StatusUnknown
How this service works
Signal Nodus: year-over-year diffs of SEC filing sections, pinned to accession numbers. The diff is the product; raw data is the on-ramp.
Output
A JSON object containing an array of filings, each with form type (e.g. '10-K'), filing date, and accession number, plus a count of returned results. These accession numbers serve as keys to retrieve year-over-year section diffs from sibling endpoints.
Example use cases
Annual report diff research
“Get me the list of 10-K filings for Tesla so I can grab the accession numbers and then see what changed in their risk factors section compared to last year.”
Quarterly filing history lookup
“List all 10-Q filings for Microsoft — I need the accession numbers and dates so I can track how their MD&A section has shifted over the past few quarters.”
Investor due diligence prep
“Can you pull the SEC filing history for Pfizer, specifically their annual 10-K reports, so I have the accession numbers ready to dig into year-over-year changes in their financial statements?”
Technical details
Endpoint
GEThttps://api.signalnodus.ai/v1/filingsWhen to prefer
Choose this endpoint when you need to discover available SEC filings and their accession numbers for a company before retrieving year-over-year section diffs. It is the entry point into the Signal Nodus diff workflow — use it to enumerate filings, then pass accession numbers to diff endpoints. Prefer this over raw EDGAR queries when you need structured, diff-ready filing metadata in a single paid API call.
Side effects
- Unknown or invalid company identifier returns empty filings array
- Invalid form type filter returns no results
- Rate limiting or payment failure returns 402 Payment Required
- Company has no filings matching the requested criteria
- Malformed request parameters return 400 Bad Request
Output
Schema · Response
{
"type": "json",
"example": {
"filings": [
{
"form": "10-K",
"filingDate": "2026-02-25",
"accessionNumber": "0001045810-26-000021"
}
],
"returned": 2
}
}Tags
x402
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