SEC filings & market structure

SEC Comment Letters

SEC Division of Corporation Finance review correspondence: UPLOAD (the SEC's questions to a company) and CORRESP (the company's answers). Released ~20+ business days after a review closes, the earliest public signal of accounting scrutiny, typically years before any enforcement action. 2005→present.

EndpointGET /v1/sec-comment-letters

SourceSEC EDGAR (UPLOAD / CORRESP)

Authx-api-key, a free key works

Live from the data

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What it returns

Metadata + URLs; follow filing_index_url for the letter text. Filter by ticker and sort ascending to read a review thread in order. See the live example below for the full field set.

Filters

accession_number	Direct lookup by EDGAR accession number (e.g., '0000000000-26-004788').
form	UPLOAD = SEC's letter to the company; CORRESP = the company's response.
ticker	Exact ticker (resolved from CIK; '' for unlisted filers).
cik	SEC CIK (any zero-padding).
company_name	Case-insensitive substring against the company name as indexed.
since	Letter date lower bound (YYYY-MM-DD inclusive).
until	Letter date upper bound (YYYY-MM-DD inclusive).
sort_order	Default desc. Use asc with a ticker filter to read a review thread in order.
limit	Maximum letters to return. Default 50, max 500.

Example request

curl "https://api.keyvex.com/v1/sec-comment-letters?limit=1" \
  -H "x-api-key: YOUR_KEY"

Response

{
  "results": [
    {
      "accession_number": "0001213900-26-058252",
      "date_filed": "2026-05-18",
      "ticker": "STKH",
      "cik": "0001828098",
      "form": "CORRESP",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/1828098/000121390026058252/0001213900-26-058252-index.htm",
      "company_name": "Steakholder Foods Ltd.",
      "released_date": "2026-07-02",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1828098/0001213900-26-058252.txt",
      "scraped_at": "2026-07-06T03:07:11.249Z"
    }
  ],
  "count": 1,
  "has_more": true
}

Example questions you can answer

Is (or was) a company under SEC review, and about what.
Were insiders selling while the SEC was asking questions.
The comment-letter thread around an IPO registration.

Related datasets

Company FundamentalsSEC XBRL Enforcement Actionsthe escalation path Insider TransactionsSEC Form 4 / 5

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