All free FilingFirehose tools
Everything we offer for free. The full historical archive + webhook delivery + 10× rate limit live on the paid tiers ($29-$299/mo or $999 lifetime) — the items below are open access.
Daily updated
Daily-updated list of buried-event 8-Ks, recent 13Ds, and ATM offerings — refreshed every 15 minutes from the live SEC EDGAR feed.
For: Anyone monitoring the filings pulse. Share-friendly URL.
Public ranking of US public companies by 8-K item misclassification rate. ≥5 filings, scored by % flagged as buried.
For: Compliance officers comparing peers. Journalists looking for stories. FinTwit screenshot fodder.
Free public API
JSON API: /v1/public/8k, /v1/public/13d, /v1/public/atm. Last 72 hours, no API key required, no rate limit (within reason).
For: Developers prototyping integrations. Quants running backtests.
AI integrations
Ask ChatGPT about recent SEC filings. Body-text classification baked in. Free with ChatGPT Plus.
For: ChatGPT Plus users. Anyone exploring AI-driven research.
Hosted Model Context Protocol server. Add `https://filingfirehose.com/mcp` to your Claude Desktop / Cursor / Windsurf config and your AI can query SEC filings inline.
For: Anyone using MCP-compatible clients (Claude, Cursor, Windsurf, Zed).
Embed on your site
Iframe-embeddable widgets at /embed/today/{8k,13d,atm}. Drop one HTML line into Substack / Ghost / WordPress and you've got a live filings feed.
For: Newsletter writers, finance bloggers, fund websites.
Per-ticker
Visit /sec/{TICKER} for any US-listed company. 10,000+ tickers covered. Sample API queries for that ticker on each page.
For: Anyone Googling "{ticker} SEC filings".
Research
Methodology + numbers behind the 7.3% finding (4,251 8-Ks analyzed; 7.3% of Item 8.01 filings have buried 1.05/5.02/etc events).
For: Anyone evaluating the rigor. Source for citations.
Free PDF-style report with the top-50 company leaderboard + 15 named example filings + per-item breakdown. Email-gated.
For: Compliance teams, journalists, RIAs comparing peers.
Sample queries to try right now
curl "https://filingfirehose.com/v1/public/8k?suspected_buried_only=true"
curl "https://filingfirehose.com/v1/public/13d?activist=Saba"
curl "https://filingfirehose.com/v1/public/atm?min_shelf_million_usd=100"
Want the paid tier?
The free tier covers the past 72 hours. Pro ($99/mo) and Quant ($299/mo) tiers cover the full historical archive, add real-time webhooks, 10× rate limits, and CSV export. Lifetime Pro is $999 one-time.
Try it on your stack
Get an API key in 2 minutes. Self-serve via Stripe, cancel anytime.
View pricing → Read API docs