VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
Marketstack vs OpenCorporates
Marketstack vs OpenCorporates: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
Marketstack
marketstack.com
Best for dividends, and splits
- Pricing
- Free • From $9.99/mo
- Platforms
- Web, API
OpenCorporates
opencorporates.com
Best for regulatory filings monitoring, and other
- Pricing
- Free
- Platforms
- Web, API
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Marketstack if…
- You need real-time data, not delayed quotes
- You need pricing tiers with monthly request limits (free: 100/mo; basic: 10k/mo; professional: 100k/mo; business: 500k/mo; enterprise: custom) and annual discounts.
- You need v2 rest/json api for end-of-day (eod) prices with adjusted fields for splits/dividends (e.g., `split_factor`, `dividend`).
- You need intraday endpoint supports multiple bar intervals (down to `1min`); “real-time updates” (1/5/10 min) are professional+ only.
Choose
OpenCorporates if…
- You’re just getting started and want an approachable UI
- 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.
Side-by-side feature breakdown
| Attribute | Marketstack | OpenCorporates |
|---|---|---|
Asset types | StocksETFsBondsCommoditiesOther | Other |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | End of DayReal-time | End of Day |
API access | REST | REST |
Export formats | Not specified | CSVJSON |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
Marketstack
$9.99/mo
Starting price
Plans & pricing
Tool
OpenCorporates
—
Starting price
Plans & pricing
Coverage overlap
Categories covered by Marketstack only.
Categories covered by OpenCorporates only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between Marketstack and OpenCorporates?
Marketstack focuses on Data APIs, Dividends, and Splits 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 Marketstack and OpenCorporates cost?
Good news—both Marketstack and OpenCorporates offer free plans. You can try each platform without commitment and only pay when you need premium features.
Which is better for beginners—Marketstack or OpenCorporates?
OpenCorporates is more beginner-friendly with an approachable interface. Both can work for intermediate users.
Do Marketstack and OpenCorporates have APIs?
Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.
Should I choose Marketstack or OpenCorporates?
Choose Marketstack if you need Pricing tiers with monthly request limits (Free: 100/mo; Basic: 10k/mo; Professional: 100k/mo; Business: 500k/mo; Enterprise: custom) and annual discounts., and V2 REST/JSON API for end-of-day (EOD) prices with adjusted fields for splits/dividends (e.g., `split_factor`, `dividend`).. 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 Marketstack and OpenCorporates cover?
Both cover Other. Marketstack also includes Stocks, ETFs, Bonds, and Commodities.
Does Marketstack or OpenCorporates have real-time data?
Marketstack offers real-time data feeds, which is essential for active traders. OpenCorporates uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Can I export data from Marketstack and OpenCorporates?
OpenCorporates supports data exports to CSV, and JSON. Marketstack has more limited export options.
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These profiles share overlapping coverage with both sides of this matchup.
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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.