VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS ★

PRICE: 5 CENTS

Wednesday, December 10, 2025

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Tool Comparison

OpenCorporates vs Tiingo comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

OpenCorporates adds Regulatory Filings Monitoring, and Other coverage that Tiingo skips.

Tiingo includes News, Dividends, Splits, and APIs & SDKs categories that OpenCorporates omits.

In depth comparison

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

WebAPI

Pricing

FreeSubscription

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.

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Tiingo

tiingo.com

Flat-rate market data platform with simple, transparent plans. Tiingo provides end-of-day and real-time APIs for equities, mutual funds, ETFs, forex, and crypto, alongside corporate actions, fundamentals, and news. Plans range from a free Starter tier to affordable paid subscriptions, with usage limits and data history varying by plan. Enterprise or commercial use is supported via higher tiers.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
Corporate actions API for dividends and splits, including both historical and announced events.
IEX real-time equity feed with tick-level data via REST and WebSocket.
Forex API with real-time and historical data for 140+ currency pairs.

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Where they differ

OpenCorporates

Distinct strengths include:

Regulatory Filings Monitoring Other

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).

Tiingo

Distinct strengths include:

News Dividends Splits APIs & SDKs

End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
Corporate actions API for dividends and splits, including both historical and announced events.
IEX real-time equity feed with tick-level data via REST and WebSocket.

Feature-by-feature breakdown

Attribute	OpenCorporates	Tiingo
Categories Which research workflows each platform targets	Shared: Data APIs Unique: Regulatory Filings Monitoring, Other	Shared: Data APIs Unique: News, Dividends, Splits, APIs & SDKs
Asset types Supported asset classes and universes	Other	Stocks, ETFs, Mutual Funds, Cryptos, Currencies
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, Subscription
Key features Core capabilities called out by each vendor	Unique 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. Data acquisition ranges from hourly to quarterly; registry ingestion checks run every 5 minutes. Bulk deliveries are typically no more than one month behind official registries.	Unique End-of-day (EOD) price API with proprietary error-checking and broad historical coverage. Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history. Corporate actions API for dividends and splits, including both historical and announced events. IEX real-time equity feed with tick-level data via REST and WebSocket. Forex API with real-time and historical data for 140+ currency pairs. Crypto API aggregating data from multiple exchanges, with REST and WebSocket endpoints.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do OpenCorporates and Tiingo both support?

Both platforms cover Data APIs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do OpenCorporates and Tiingo require subscriptions?

Both OpenCorporates and Tiingo keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access OpenCorporates and Tiingo?

Both OpenCorporates and Tiingo 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 Tiingo stands out for End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..

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