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BamSEC

Web-only SEC filings and transcripts research platform focused on EDGAR documents, table extraction and ownership analytics. Browsing all electronically filed SEC documents is free, while premium tools such as Document Search, table downloads, document comparison, insider and institutional ownership views, and advanced alerts are part of the Pro and Enterprise subscriptions (Pro is $69/month billed annually with a 7-day free trial; Enterprise adds team features like consolidated invoicing, usage reporting and priority support).

CapEdge

Free web platform from Finsight for researching US equity capital markets: search millions of SEC EDGAR filings and earnings transcripts, monitor IPOs, and track institutional and insider holdings, ETF exposure and short interest with real-time filing email alerts. SEC EDGAR is the primary data source; CapEdge also discloses Financial Modeling Prep for additional market data and web/news inputs for news and user data. Full functionality requires a free registered account, and the help center says CapEdge does not currently offer APIs.

SEC.gov (EDGAR)

Official U.S. SEC portal for free public access to EDGAR filings, filing search, RSS feeds, bulk archives, and no-key REST APIs on data.sec.gov. Public data APIs deliver JSON for company submissions and XBRL-derived financial-statement data, and SEC says the JSON structures update throughout the day in real time while bulk ZIP archives are republished nightly around 3:00 a.m. ET. Automated access must comply with SEC privacy/security and fair-access policy, include a declared User-Agent header, and stay within the current 10 requests/second limit. data.sec.gov does not support CORS. Separate EDGAR filer-management APIs exist for filers, tokens, system status, submissions, and filer portal workflows; those are distinct from the public investor/research APIs.

Fintool

AI-powered research platform combining SEC filings, earnings transcripts, and financial data with natural-language querying. The public Fintool domain now redirects to an April 18, 2026 founder post announcing Microsoft acquired Fintool, so standalone self-serve pricing and signup should be treated as unavailable/legacy rather than current. In January 2026, Fintool described V5 as an agentic workflow that can build DCF models in Excel, earnings decks in PowerPoint, and research memos in Word.

Quartr

Qualitative public‑market research platform focused on investor relations material: live earnings calls, real‑time transcripts, filings, slide decks, analyst estimates, and AI chat across 15,000+ public companies. Mobile app is free; Quartr Pro (desktop) and Quartr API are commercial products with dataset access, exports, MCP access, and API/webhook usage gated by subscription contracts and plan‑level permissions.

Fiscal.ai

Web-based public-company research terminal plus REST APIs. Includes global fundamentals and segments/KPIs, AI Copilot + AI summaries, dashboards, screening/valuation tools, and APIs for financials/ratios, segments/KPIs, stock prices (EOD & 15‑min delayed), filings/source-to-filing, logos, company news, webhooks and MCP endpoints. Vendor claims 100,000+ global stocks/ETFs/funds, 350,000+ investors, 70+ API customers and SOC 2 Type II. Newsletter: https://newsletter.fiscal.ai.

AlphaSense

Sales-led, enterprise market-intelligence + AI search platform. Pricing lists Market Intelligence vs Enterprise Intelligence; internal content ingestion/search is Enterprise-only. Pricing remains annual/contact-sales with enterprise-wide and per-seat options. Financial Data/Company Profile features may be beta/rolling access (per Help Center). Trial uploads are removed 30 days after the trial ends. In June 2026, Accenture and AlphaSense announced a strategic investment/partnership around agentic market-intelligence workflows.