VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Sunday, May 31, 2026

Tool Comparison · Sunday, May 31, 2026

FOIAsearch vs OpenCorporates

FOIAsearch vs OpenCorporates: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
FOIAsearch logo

FOIAsearch

foiasearch.com

Best for alerts, and watchlist

Pricing
Free
Platforms
Web
VS
OpenCorporates logo

OpenCorporates

opencorporates.com

Best for data apis, and other

Pricing
Free
Platforms
Web, API

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
FOIAsearch
OpenCorporates
Starting price
Free
Free
Categories covered
4
3
Web app
Yes
Yes
Mobile app
No
No
API access
No
Yes
Regions
North America
North America, Europe, APAC, LatAm, Middle East, Africa

Who should choose which?

Choose

FOIAsearch if…

  • You need unified search of sec foia logs with lists for ‘all requests’ and ‘b7a exempt requests’.
  • You need ‘protect my portfolio’ email alerts on foia activity tied to saved companies/tickers.
  • You need ‘ir watch’ alerts when hedge funds, research firms, or reporters foia your company (ir use‑case).
  • You need monthly ‘prominent reporter alerts’ to see what journalists are requesting before stories publish.

Choose

OpenCorporates if…

  • You build with APIs or automate workflows
  • You need public api portal advertises 200m+ company records, aggregated from official registries with provenance and source links.
  • You need versioned rest api with json (default) or xml output; api keys required. free tier provides up to 200 requests per month (50 per day).
  • You need openrefine reconciliation api allows entity-matching from company names to legal identifiers.

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeFOIAsearchOpenCorporates
Asset types
Stocks
Other
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North AmericaEuropeAPACLatAmMiddle EastAfrica
Data freshness
End of Day
End of Day
API access
Not specified
REST
Export formats
Not specified
CSVJSON

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

FOIAsearch

Starting price

Free tierYes
Free trial

Plans & pricing

Free (Search)Free
Portfolio AlertsSubscription
IR WatchSubscription
Prominent Reporter AlertsSubscription

Tool

OpenCorporates

Starting price

Free tierYes
Free trial

Plans & pricing

Free (personal & public-benefit use)Free
Essentials (API)Subscription
Starter (API)Subscription
Enterprise Bulk (SFTP CSV datasets)Subscription

Coverage overlap

Shared categories1

Categories where both tools offer overlapping coverage.

FOIAsearch strengths3

Categories covered by FOIAsearch only.

OpenCorporates strengths2

Categories covered by OpenCorporates only.

Community category leaders

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between FOIAsearch and OpenCorporates?

FOIAsearch focuses on Alerts, Regulatory Filings Monitoring, and Watchlist while OpenCorporates specializes in Data APIs, Regulatory Filings Monitoring, and Other. They overlap in 1 categories, so choose based on your preferred workflow and pricing.

How much do FOIAsearch and OpenCorporates cost?

Good news—both FOIAsearch and OpenCorporates offer free plans. You can try each platform without commitment and only pay when you need premium features.

Does FOIAsearch or OpenCorporates have an API?

OpenCorporates provides API access for programmatic data retrieval and custom integrations. FOIAsearch doesn't currently offer an API, so you'll need to use their web interface.

Should I choose FOIAsearch or OpenCorporates?

Choose FOIAsearch if you need Unified search of SEC FOIA Logs with lists for ‘All Requests’ and ‘B7A Exempt Requests’., and ‘Protect My Portfolio’ email alerts on FOIA activity tied to saved companies/tickers.. Go with OpenCorporates if Public API portal advertises 200M+ company records, aggregated from official registries with provenance and source links., and Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day). better fits how you invest.

What asset classes do FOIAsearch and OpenCorporates cover?

Both cover common asset types. FOIAsearch also includes Stocks. OpenCorporates adds coverage for Other.

Can I export data from FOIAsearch and OpenCorporates?

OpenCorporates supports data exports to CSV, and JSON. FOIAsearch has more limited export options.

Top 50 Investing ToolsGlobal ranking of the best investing tools, ranked by community votes.

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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.