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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

Finsight's CapEdge product site returned HTTP 404 throughout this review, while its official knowledgebase remained online. The documented service was a free web platform 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

Former research platform that combined SEC filings, earnings transcripts, and financial data with natural-language queries. Microsoft acquired Fintool on April 18, 2026, and fintool.com now redirects directly to Microsoft 365. Standalone pricing and signup are unavailable. Before the acquisition, Fintool described V5 agents that could build DCF models in Excel, earnings decks in PowerPoint, and research memos in Word.

Quartr

Quartr provides investor relations material from more than 15,000 public companies across more than 65 markets. It covers live calls, transcripts, filings, slides, estimates, and AI chat. The mobile app is free. Quartr Pro and Quartr API use sales-priced contracts. MCP access requires an eligible Pro subscription.

Fiscal.ai

Fiscal.ai combines a public-company research terminal with REST, webhook, and MCP access. The terminal covers more than 100,000 global stocks, ETFs, and funds. The company API covers about 55,000 listed companies across more than 20 countries and 150 exchanges. Free API keys can access 100 companies, 50 requests per minute, and 250 requests per day. Prices are end of day or delayed by 15 minutes. The vendor reports SOC 2 Type II compliance. Newsletter: https://newsletter.fiscal.ai.

AlphaSense

AlphaSense is an enterprise research platform for premium external content, financial data, expert transcripts, company documents, news, and internal files. Generative Search, Deep Research, Workflow Agents, and document search return source-linked results. Annual Market Intelligence and Enterprise Intelligence subscriptions are priced by sales. Company Profiles and Financial Data remain in beta. API access, internal-content search, private-cloud deployment, and content packages depend on the contract.