VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Wednesday, March 18, 2026

Tool Comparison

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

SEC.gov (EDGAR)

sec.gov

PricingFree
PlatformsWeb, API
Editor's pickHands-on review
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
Open Payments (CMS)Web, API
SEC.gov (EDGAR)Web, API
Categories
Open Payments (CMS)4
SEC.gov (EDGAR)6
Pricing details

Tool

Open Payments (CMS)

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

Tool

SEC.gov (EDGAR)

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree
Category leaders
AlertsSEC.gov (EDGAR)
Data VisualizationsOpen Payments (CMS)
Insider DataSEC.gov (EDGAR)
Browse the #1 tool in 90+ categories

Vote sentiment comparison

Loading sentiment chart...

Platform details

AttributeOpen Payments (CMS)SEC.gov (EDGAR)
Asset types
Other
StocksETFsMutual FundsFunds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North America
Data freshness
End of Day
Real-time
API access
REST
REST
Export formats
CSVJSON
JSON

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

Open Payments (CMS) strengths2

Categories covered by Open Payments (CMS) only.

SEC.gov (EDGAR) strengths4

Categories covered by SEC.gov (EDGAR) only.

Frequently Asked Questions

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

Open Payments (CMS) focuses on Data APIs, APIs & SDKs, and Data Visualizations while SEC.gov (EDGAR) specializes in Improved Filings, Insider Data, and 13F. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

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

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

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

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 SEC.gov (EDGAR) if Search Filings provides free public access to EDGAR documents and search tools (e.g., Full Text Search, Latest Filings, Mutual Fund Search)., and EDGAR Full-Text Search covers electronic filings since 2001 (including exhibits/attachments) and supports queries by keyword, ticker, company name, CIK, and reporter; boolean/wildcards and advanced search are supported (natural-language search is not). better fits how you invest.

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

Both cover common asset types. Open Payments (CMS) also includes Other. SEC.gov (EDGAR) adds coverage for Stocks, ETFs, Mutual Funds, and Funds.

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

SEC.gov (EDGAR) offers real-time data feeds, which is essential for active traders. Open Payments (CMS) 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 Open Payments (CMS) and SEC.gov (EDGAR)?

Open Payments (CMS) supports data exports to CSV, and JSON. SEC.gov (EDGAR) has more limited export options.

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.