VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Monday, January 5, 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

Comparison highlights

  • Tool score: the chart below shows community vote sentiment over the last 8 weeks. Use it as a signal, not a verdict.
  • Overlap: both cover Data APIs, and Regulatory Filings Monitoring.
  • Coverage tilt: Open Payments (CMS) has 2 categories you won't get in OpenCorporates; OpenCorporates has 1 unique categories.
  • Pricing: Open Payments (CMS) is Free; OpenCorporates is Free, Subscription.

Category leaders

  • Data Visualizations: Open Payments (CMS) is tagged for this workflow; OpenCorporates has no category votes yet.

Vote sentiment comparison

Cumulative positive vote share. Loading fresh totals...

Open Payments (CMS)OpenCorporates

Side-by-side metrics

AttributeOpen Payments (CMS)OpenCorporates
Asset types

Supported asset classes and universes

Other

Other

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

Free, Subscription

Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Coverage overlap

Shared categories

Categories where both tools offer overlapping coverage.

Open Payments (CMS) strengths

Categories covered by Open Payments (CMS) but not OpenCorporates.

OpenCorporates strengths

Categories covered by OpenCorporates but not Open Payments (CMS).

Frequently Asked Questions

Which workflows do Open Payments (CMS) and OpenCorporates both support?

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

Do Open Payments (CMS) and OpenCorporates require subscriptions?

Both Open Payments (CMS) and OpenCorporates keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Open Payments (CMS) and OpenCorporates?

Both Open Payments (CMS) and OpenCorporates 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?

Open Payments (CMS) differentiates itself with Three core datasets each year: General Payments, Research Payments, and Ownership/Investment Interests., Web search/explorer with filtering and charts; program year downloads available from the portal., and Open Data API (ODA) for programmatic access with filtering, querying, and aggregation (SoQL‑style)., whereas OpenCorporates stands out for 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..

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.