VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Thursday, February 19, 2026

Tool Comparison

Open Payments (CMS) vs OpenCorporates comparison

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

Open Payments (CMS) logo

Open Payments (CMS)

openpaymentsdata.cms.gov

PricingFree
PlatformsWeb, API
OpenCorporates logo

OpenCorporates

opencorporates.com

PricingFree, Subscription
PlatformsWeb, API
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
Open Payments (CMS)Web, API
OpenCorporatesWeb, API
Categories
Open Payments (CMS)4
OpenCorporates3
Pricing details

Tool

Open Payments (CMS)

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

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

Vote sentiment comparison

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Platform details

AttributeOpen Payments (CMS)OpenCorporates
Asset types
Other
Other
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North AmericaEuropeAPACLatAmMiddle EastAfrica
Data freshness
End of Day
End of Day
API access
REST
REST
Export formats
CSVJSON
CSVJSON

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

Open Payments (CMS) strengths2

Categories covered by Open Payments (CMS) only.

OpenCorporates strengths1

Categories covered by OpenCorporates only.

Frequently Asked Questions

What's the difference between Open Payments (CMS) and OpenCorporates?

Open Payments (CMS) focuses on Data APIs, APIs & SDKs, and Data Visualizations while OpenCorporates specializes in Data APIs, Regulatory Filings Monitoring, and Other. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

How much do Open Payments (CMS) and OpenCorporates cost?

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

Do Open Payments (CMS) 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 Open Payments (CMS) or OpenCorporates?

Choose Open Payments (CMS) if you need Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests., and Web search/explorer with filtering and charts; program year downloads available from the portal.. Go with OpenCorporates if 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full 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.

Can I export data from Open Payments (CMS) and OpenCorporates?

Both platforms let you export data to spreadsheets (CSV, and JSON). This is useful for custom analysis or record-keeping.

Keep Exploring

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.