CongressInvests vs Fed Treasury

CongressInvests tracks U.S. congressional stock trades from official Senate EFD and House Clerk disclosures, refreshed every six hours, with per-ticker trade history, a global feed, and a Pro-only AI-generated trend narrative (sentiment plus notable member patterns, cached 24 hours per ticker). The core REST API is keyless for up to 100 requests/day; a $29/month Pro plan adds an X-Api-Key header for webhook alerts, the AI trend endpoint, and higher limits. It ships official Python and Node.js SDKs and markets itself against paid-only competitors like QuiverQuant and Unusual Whales.

Fiscal Data is the U.S. Department of the Treasury's open REST API for federal financial datasets — debt, revenue, spending, interest rates, and savings bonds — maintained by the Bureau of the Fiscal Service. Every endpoint supports field selection, filtering, sorting, and pagination, and returns JSON by default with CSV or XML available via the format parameter. No registration or API key is required, and a live Origin-header probe confirmed CORS is enabled (Access-Control-Allow-Origin: *).