BEST INVESTING TOOLS COMPARISON

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Checked September 24, 2026

Tool Comparison

Open Payments (CMS) vs SEC.gov (EDGAR)

Paid from
—
Free plan
Yes
Platforms
Web, API

Best if

  • You want data visualizations.

SEC.gov (EDGAR)

TestedOur pick for most investors
Review & pricing
Paid from
—
Free plan
Yes
Platforms
Web, API

Best if

  • Delayed quotes won't cut it; you need real-time data
  • You want improved filings, insider data, and institutional ownership.

Pick Open Payments (CMS) instead if

Open Payments (CMS) logo

Open Payments (CMS)

openpaymentsdata.cms.gov

Free · Web · API

  • You want data visualizations.
Our pick for most investors

Start here

SEC.gov (EDGAR) logo

SEC.gov (EDGAR)

sec.govTested

Free · Web · API

  • Delayed quotes won't cut it; you need real-time data
  • You want improved filings, insider data, and institutional ownership.

Skip both if: Neither one clicks with how you research; there are strong third options.

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Our take

The bottom line

Open Payments (CMS) and SEC.gov (EDGAR) cover a lot of the same ground (3 shared categories, APIs & data feeds, regulatory filings monitoring, and official sources), so for the basics you won't go far wrong with either. SEC.gov (EDGAR) simply does more: 9 categories to Open Payments (CMS)'s 4, including improved filings, insider data, and institutional ownership. Open Payments (CMS) counters by being completely free.

What readers say

Open Payments (CMS)

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SEC.gov (EDGAR)

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Key differences at a glance

Real-time data
SEC.gov (EDGAR)
Broader coverage
SEC.gov (EDGAR)9 vs 4 categories
Free plan
Both
See the full side-by-side table
Open Payments (CMS) logo

What Open Payments (CMS) does best

  1. Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
  2. Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
  3. Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
  4. Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
  5. Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.
SEC.gov (EDGAR) logo

What SEC.gov (EDGAR) does best

  1. Search and open EDGAR filings for U.S. public companies, funds, insiders, institutional managers, IPOs, registration statements, proxy materials, and current reports.
  2. Company Search, Full Text Search, Latest Filings, Mutual Fund Search, CIK lookup, SIC lookup, EDGAR RSS feeds, and filing assistance tools from one official source.
  3. Search tools across full filing text since 2001, including exhibits and attachments, with filters for ticker, company, CIK, reporter name, form type, filing date, location, and incorporation jurisdiction.
  4. Monitor latest filings in near real time and use RSS feeds or search pages as the practical free alert layer for public users.
  5. Data.sec.gov public APIs for company submission histories and XBRL-derived companyconcept, companyfacts, and frames data are available without an API key.

Side by side

Pricing & plans
Starting price
Free
Free
Free tier
Yes
Yes
Free trial
—
—
Platforms & access
Web app
Yes
Yes
Mobile app
No
No
API access
Yes
Yes
Integrations
—
data.sec.gov public APIs, EDGAR RSS Feeds +2 more
Coverage & data
Asset types
Other
StocksETFsMutual FundsFunds
Target audience
Not specified
Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersStudents/Researchers
Data freshness
Not specified
Real-time
Export formats
CSVJSON
JSONXMLPDF

Pricing comparison

See for yourself

Side by side

Price, platforms, data, and market coverage.
Show
Side-by-side comparison of Open Payments (CMS) and SEC.gov (EDGAR)
Attribute
Open Payments (CMS) logo
Open Payments (CMS)
SEC.gov (EDGAR) logo
SEC.gov (EDGAR)
Pricing & plans
Starting price
FreeFree
Free tier
YesYes
Free trial
——
Plan limits
—Free: automated access policy: Automated access is monitored; the current max request rate is 10 req...
Platforms & access
Web app
YesYes
Mobile app
NoNo
API access
YesYes
Integrations
—data.sec.gov public APIs, EDGAR RSS Feeds +2 more
Audience & fit
Experience level
Beginner, Intermediate, AdvancedBeginner, Intermediate, Advanced
Best for
—Retail Traders, Pro Retail +4 more
Categories covered
49
Regions
North AmericaNorth America
Data & capabilities
Data quality
—Latency: Real-time and Timezone: America/New_York
Try itVisit Open Payments (CMS)Visit SEC.gov (EDGAR)

Standout features

The best features of Open Payments (CMS) and SEC.gov (EDGAR).
Show
Open Payments (CMS) logo

What Open Payments (CMS) does best

  1. Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
  2. Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
  3. Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
  4. Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
  5. Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.
SEC.gov (EDGAR) logo

What SEC.gov (EDGAR) does best

  1. Search and open EDGAR filings for U.S. public companies, funds, insiders, institutional managers, IPOs, registration statements, proxy materials, and current reports.
  2. Company Search, Full Text Search, Latest Filings, Mutual Fund Search, CIK lookup, SIC lookup, EDGAR RSS feeds, and filing assistance tools from one official source.
  3. Search tools across full filing text since 2001, including exhibits and attachments, with filters for ticker, company, CIK, reporter name, form type, filing date, location, and incorporation jurisdiction.
  4. Monitor latest filings in near real time and use RSS feeds or search pages as the practical free alert layer for public users.
  5. Data.sec.gov public APIs for company submission histories and XBRL-derived companyconcept, companyfacts, and frames data are available without an API key.

All details

Every attribute we track for Open Payments (CMS) and SEC.gov (EDGAR).
Show
Attribute
Open Payments (CMS) logo
Open Payments (CMS)
SEC.gov (EDGAR) logo
SEC.gov (EDGAR)
Coverage & fit
Asset types
Other
StocksETFsMutual FundsFunds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Target audience
Not specified
Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersStudents/Researchers
Regions
North America
North America
Coverage details
Countries: US
Countries: USIdentifiers: CIK and Ticker
Data
Data freshness
Not specified
Real-time
Access & integrations
API protocols
REST
REST
API auth & delivery
Auth: None
Auth: NoneDocs
Integrations
Not specified
data.sec.gov public APIsEDGAR RSS FeedsEDGAR Public Dissemination Service (PDS)EDGAR API Development Toolkit for filers
Export formats
CSVJSON
JSONXMLPDF
Plans & trust
Vendor & support
Centers for Medicare & Medicaid Services (CMS), U.S. Department of Health & Human ServicesCountry: USSupport: Email and Phone
U.S. Securities and Exchange CommissionCountry: United StatesSupport: Email
Curation ratings
Methodology 5/5Reliability 5/5UX 4/5
Not specified

Green tags are exclusive to that tool in this comparison.

Pricing

Plans, billing, free trials, and monthly prices.
Show
Plan-by-plan pricing comparison of Open Payments (CMS) and SEC.gov (EDGAR)
Tier
Open Payments (CMS) logo
Open Payments (CMS)
SEC.gov (EDGAR) logo
SEC.gov (EDGAR)
Free plan
Free
Freeautomated access policy: Automated access is monitored; the current max request rate is 10 req...

Questions we keep getting

What's the difference between Open Payments (CMS) and SEC.gov (EDGAR)?

Open Payments (CMS) leans toward APIs & data feeds, data visualizations, and regulatory filings monitoring, while SEC.gov (EDGAR) puts more weight on official sources, regulatory filings monitoring, and improved filings. They overlap in 3 categories, so for most people it comes down to workflow preference and price.

How much do Open Payments (CMS) and SEC.gov (EDGAR) cost?

Good news: both Open Payments (CMS) and SEC.gov (EDGAR) have free plans, so you can run them side by side and only pay if you hit a wall.

Do Open Payments (CMS) and SEC.gov (EDGAR) have APIs?

Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.

Should I choose Open Payments (CMS) or SEC.gov (EDGAR)?

It depends on what you're after. Pick Open Payments (CMS) if data visualizations matter to you; go with SEC.gov (EDGAR) if you'd rather have improved filings and insider data. And if you only need the basics both share, let price decide.

What asset classes do Open Payments (CMS) and SEC.gov (EDGAR) cover?

Open Payments (CMS) covers other. SEC.gov (EDGAR) covers stocks, ETFs, and mutual funds.

Does Open Payments (CMS) or SEC.gov (EDGAR) have real-time data?

SEC.gov (EDGAR) offers real-time data, which matters if you trade actively. Open Payments (CMS) runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.

Can I export data from Open Payments (CMS) and SEC.gov (EDGAR)?

Open Payments (CMS) exports to CSV. SEC.gov (EDGAR) is stingier about getting data out.

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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.