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Startup Funding Rounds Search: SEC Form D, Official Data

Find recent startup funding rounds from official SEC Form D filings (Regulation D private placements): company, state, industry group, offering amount, amount sold, first sale date, investor count and the filing link. Filter by date, industry, state and size; funds are excluded by default. Company-level only: no officers, directors or other persons are returned.

x402: $0.05 per callMCP tool: funding_rounds_form_d

Input

ParameterTypeDefaultDescription
sincestringFirst filing date (YYYY-MM-DD). Default: 7 days ago. Use the date of your last run for new rounds only.
untilstringLast filing date (YYYY-MM-DD). Default: today. At most 14 days after since.
industriesarrayKeep filings whose Form D industry group contains one of these words (for example Technology, Biotechnology, Computers, Health). Default: all except funds.
statesarrayIssuer state or country codes (for example CA, NY, TX).
minAmountUsdintegerMinimum total offering amount in USD.
includeFundsbooleanfalseAlso return pooled investment funds, REITs and similar vehicles (excluded by default).
includeAmendmentsbooleanfalseAlso return Form D/A amendments (default: new filings only).
limitinteger25Maximum rounds returned. Each returned round is one billable result.

* required

Source and freshness

Source and licence
Stated in every response (field source).
Last verified
2026-10-05 (hourly check against the live source)

Use it

HTTP (x402)

curl -i "https://api.ambolt.dev/v1/funding-rounds-form-d?since=undefined&industries=%5B%22Technology%22%2C%22Computers%22%5D&limit=3"

Returns 402 Payment Required with the price until an x402 payment is attached; @x402/fetch does this for you. See Get started.

MCP

{ "mcpServers": { "ambolt": { "url": "https://api.ambolt.dev/mcp" } } }
# then call the tool: funding_rounds_form_d

Apify

Not published as an Actor yet.

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