VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Saturday, September 27, 2025
Investors comparing OpenCorporates and SEC.gov (EDGAR) will find that Both OpenCorporates and SEC.gov (EDGAR) concentrate on Data APIs, Regulatory Filings Monitoring, and Other workflows, making them natural alternatives for similar investment research jobs. SEC.gov (EDGAR) stands out with 13F, 13D/13G, and Insider Data that the competition lacks. Use the feature-by-feature table to inspect unique capabilities and confirm which roadmap best maps to your process.
Head-to-head
OpenCorporates vs SEC.gov (EDGAR)
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
- SEC.gov (EDGAR) includes 13F, 13D/13G, Insider Data, and Financials categories that OpenCorporates omits.
- OpenCorporates highlights: 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day)., and OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers..
- SEC.gov (EDGAR) is known for: Full-text EDGAR search across filings since 2001, with filters by company, person, form type, and date., Public data APIs at data.sec.gov provide JSON endpoints for company submissions, XBRL facts, concepts, and frames., and APIs update continuously as filings are made public; nightly bulk ZIPs allow batch ingestion..
OpenCorporates
opencorporates.com
The world’s largest open database of legal entities, offering both a public-facing search and an API. Free access is available for personal or public-benefit use, while commercial API access and bulk datasets require a paid plan. Bulk deliveries are provided via SFTP in CSV format, and the platform includes a public status page for web, API, knowledge base, and SFTP availability.
Platforms
Pricing
Quick highlights
- 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links.
- Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).
- OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers.
- Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships).
- Relationships dataset includes 30M+ links covering subsidiaries, branches, control statements, and shareholdings, with data from sources like the SEC and UK PSC.
SEC.gov (EDGAR)
sec.gov
The official source of U.S. regulatory filings. EDGAR provides free public access through its web portal, JSON data APIs, and structured RSS feeds (updated every 10 minutes). Developers can use the APIs on data.sec.gov for submissions and XBRL datasets, while filers use separate EDGAR Next APIs that require tokens. No email alerting is provided—RSS is the only push channel. Automated access must respect fair-use guidelines, including a descriptive User-Agent.
Platforms
Pricing
Quick highlights
- Full-text EDGAR search across filings since 2001, with filters by company, person, form type, and date.
- Public data APIs at data.sec.gov provide JSON endpoints for company submissions, XBRL facts, concepts, and frames.
- APIs update continuously as filings are made public; nightly bulk ZIPs allow batch ingestion.
- Structured RSS feeds for XBRL disclosures update every 10 minutes during filing hours (Mon–Fri, 6am–10pm ET). Email alerts are not offered.
- Official downloadable datasets include 13F holdings (as filed), Form D, and Financial Statement Data Sets (both as-filed statements and notes).
Shared focus areas
Both platforms align on these research themes, so you can stay within one workflow when your use case involves them.
Where they differ
SEC.gov (EDGAR)
Distinct strengths include:
- Full-text EDGAR search across filings since 2001, with filters by company, person, form type, and date.
- Public data APIs at data.sec.gov provide JSON endpoints for company submissions, XBRL facts, concepts, and frames.
- APIs update continuously as filings are made public; nightly bulk ZIPs allow batch ingestion.
- Structured RSS feeds for XBRL disclosures update every 10 minutes during filing hours (Mon–Fri, 6am–10pm ET). Email alerts are not offered.
Feature-by-feature breakdown
| Attribute | OpenCorporates | SEC.gov (EDGAR) |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Data APIs, Regulatory Filings Monitoring, Other | Shared: Data APIs, Regulatory Filings Monitoring, Other Unique: 13F, 13D/13G, Insider Data, Financials |
Asset types Supported asset classes and universes | Other | Stocks, ETFs, Mutual Funds, Closed-End Funds |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, API | Web, API |
Pricing High-level pricing models | Free, Subscription | Free |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Not yet | Yes |
Editor pick Featured inside curated shortlists | Standard listing | Highlighted |
Frequently Asked Questions
Which workflows do OpenCorporates and SEC.gov (EDGAR) both support?
Both platforms cover Data APIs, Regulatory Filings Monitoring, and Other workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do OpenCorporates and SEC.gov (EDGAR) require subscriptions?
Both OpenCorporates and SEC.gov (EDGAR) keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access OpenCorporates and SEC.gov (EDGAR)?
Both OpenCorporates and SEC.gov (EDGAR) prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
OpenCorporates differentiates itself with 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day)., and OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers., whereas SEC.gov (EDGAR) stands out for Full-text EDGAR search across filings since 2001, with filters by company, person, form type, and date., Public data APIs at data.sec.gov provide JSON endpoints for company submissions, XBRL facts, concepts, and frames., and APIs update continuously as filings are made public; nightly bulk ZIPs allow batch ingestion..
Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.