VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS AND RESOURCES ★

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Compare Open Payments (CMS)

Every head-to-head showdown featuring Open Payments (CMS). Review coverage overlap, standout differentiators, and pricing context before you request demos.

Quick takeaways

CFPB Consumer Complaint Database overlaps on Data APIs, APIs & SDKs, and Data Visualizations with Open Payments (CMS) and is the quickest matchup to review first.

CFPB Consumer Complaint Database, Börsdata, and Dune keep freemium tiers so you can benchmark Open Payments (CMS) without committing budget.

Open Payments (CMS) rivals most often add coverage in Financials, Screeners, and Alerts, so focus there when evaluating upgrades.

24

Matchups catalogued

21

Include free tiers

4

Offer mobile access

76%

Avg category overlap

Category heatmap

How Open Payments (CMS) stacks up

Spot the coverage themes most often compared against this tool and where rivals extend or lag.

Shared battlegrounds

Categories that appear in the majority of head-to-head matchups.

  • APIs & SDKs24
  • Data APIs24
  • Data Visualizations22
  • Regulatory Filings Monitoring3

Where rivals add depth

Common coverage areas that comparison partners introduce beyond Open Payments (CMS).

  • Financials8
  • Screeners8
  • Alerts7
  • Blogs7
  • Interest Rates6
  • Portfolio6

Where Open Payments (CMS) stands alone

Categories that remain exclusive to Open Payments (CMS) across these matchups.

  • Regulatory Filings Monitoring21
  • Data Visualizations2

Matchups

Dive into the full comparison roster

Start with the closest overlaps, then branch into tools that push Open Payments (CMS) into new workflows.

CFPB Consumer Complaint Database logo

CFPB Consumer Complaint Database

100% overlap

CFPB Consumer Complaint Database overlaps on Data APIs, APIs & SDKs, and Data Visualizations, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData VisualizationsRegulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView CFPB Consumer Complaint Database profile
Börsdata logo

Börsdata

75% overlap

Börsdata overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Screeners, Stock Ideas, and Index Rebalancing coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Börsdata adds

  • Screeners
  • Stock Ideas
  • Index Rebalancing
  • Watchlist

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Börsdata profile
Dune logo

Dune

75% overlap

Dune overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds On-chain Analytics, DEX / DeFi, and Wallet / Address Monitoring coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Dune adds

  • On-chain Analytics
  • DEX / DeFi
  • Wallet / Address Monitoring
  • NFT Markets

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Dune profile
ECB Data Portal logo

ECB Data Portal

75% overlap

ECB Data Portal overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Interest Rates, Inflation Rates, and GDP coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

ECB Data Portal adds

  • Interest Rates
  • Inflation Rates
  • GDP
  • Unemployment Rates

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView ECB Data Portal profile
ETF Insider logo

ETF Insider

75% overlap

Editor’s pick

Hands-on review

ETF Insider overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds ETF Screeners, Screeners, and Factor Exposure coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

ETF Insider adds

  • ETF Screeners
  • Screeners
  • Factor Exposure
  • Risk Metrics

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView ETF Insider profile
Fiscal.ai logo

Fiscal.ai

75% overlap

Editor’s pick

Hands-on review

Fiscal.ai overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Screeners, Stock Comparison, and Portfolio coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Fiscal.ai adds

  • Screeners
  • Stock Comparison
  • Portfolio
  • Watchlist

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Fiscal.ai profile
FlightAware logo

FlightAware

75% overlap

FlightAware overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Alerts and Satellite / Geospatial coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

FlightAware adds

  • Alerts
  • Satellite / Geospatial

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView FlightAware profile
FRED (Federal Reserve Economic Data) logo

FRED (Federal Reserve Economic Data)

75% overlap

FRED (Federal Reserve Economic Data) overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Inflation Rates, Unemployment Rates, and GDP coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

FRED (Federal Reserve Economic Data) adds

  • Inflation Rates
  • Unemployment Rates
  • GDP
  • Interest Rates

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView FRED (Federal Reserve Economic Data) profile
Office of Financial Research (U.S. Treasury) logo

Office of Financial Research (U.S. Treasury)

75% overlap

Office of Financial Research (U.S. Treasury) overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Interest Rates, Yield Curves, and Scores coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Office of Financial Research (U.S. Treasury) adds

  • Interest Rates
  • Yield Curves
  • Scores
  • Market Sentiment

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Office of Financial Research (U.S. Treasury) profile
Portfolio123 logo

Portfolio123

75% overlap

Editor’s pick

Hands-on review

Portfolio123 overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Screeners, Quant, and Stock Ideas coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Portfolio123 adds

  • Screeners
  • Quant
  • Stock Ideas
  • Portfolio

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Portfolio123 profile
PortfoliosLab logo

PortfoliosLab

75% overlap

PortfoliosLab overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Portfolio, Watchlist, and Backtesting coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

PortfoliosLab adds

  • Portfolio
  • Watchlist
  • Backtesting
  • Correlation

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView PortfoliosLab profile
QuickFS logo

QuickFS

75% overlap

QuickFS overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Financials and Sheets / Excel Add-ins coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

QuickFS adds

  • Financials
  • Sheets / Excel Add-ins

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView QuickFS profile
SEC API (sec-api.io) logo

SEC API (sec-api.io)

75% overlap

Editor’s pick

Hands-on review

SEC API (sec-api.io) overlaps on Data APIs, APIs & SDKs, and Regulatory Filings Monitoring, adds Insider Data, 13F, and 13D/13G coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsRegulatory Filings Monitoring

SEC API (sec-api.io) adds

  • Insider Data
  • 13F
  • 13D/13G
  • Financials

Open Payments (CMS) keeps to itself

  • Data Visualizations

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView SEC API (sec-api.io) profile
SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) logo

SEC EDGAR - Company Filings (Full‑Text Search & Search Filings)

75% overlap

Editor’s pick

Hands-on review

SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) overlaps on Data APIs, APIs & SDKs, and Regulatory Filings Monitoring, adds IPO, Secondary Offerings, and Insider Data coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsRegulatory Filings Monitoring

SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) adds

  • IPO
  • Secondary Offerings
  • Insider Data
  • 13F

Open Payments (CMS) keeps to itself

  • Data Visualizations

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView SEC EDGAR - Company Filings (Full‑Text Search & Search Filings) profile
Similarweb logo

Similarweb

75% overlap

Hands-on review

Similarweb overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds App & Website Traffic and Sheets / Excel Add-ins coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Similarweb adds

  • App & Website Traffic
  • Sheets / Excel Add-ins

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Similarweb profile
StockAlert Pro logo

StockAlert Pro

75% overlap

StockAlert Pro overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Alerts, Calendar, and Dividends coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

StockAlert Pro adds

  • Alerts
  • Calendar
  • Dividends
  • Stock Ideas

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView StockAlert Pro profile
U.S. Bureau of Economic Analysis (BEA) logo

U.S. Bureau of Economic Analysis (BEA)

75% overlap

U.S. Bureau of Economic Analysis (BEA) overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds GDP, Inflation Rates, and Calendar coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

U.S. Bureau of Economic Analysis (BEA) adds

  • GDP
  • Inflation Rates
  • Calendar

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView U.S. Bureau of Economic Analysis (BEA) profile
Uncle Stock logo

Uncle Stock

75% overlap

Editor’s pick

Hands-on review

Uncle Stock overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Screeners, Backtesting, and Financials coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Uncle Stock adds

  • Screeners
  • Backtesting
  • Financials
  • Valuation Models

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView Uncle Stock profile
USAspending logo

USAspending

75% overlap

USAspending overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Videos and Other coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

USAspending adds

  • Videos
  • Other

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView USAspending profile
FXMacroData logo

FXMacroData

75% overlap

FXMacroData overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Central Bank Watcher, Interest Rates, and Inflation Rates coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

FXMacroData adds

  • Central Bank Watcher
  • Interest Rates
  • Inflation Rates
  • GDP

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView FXMacroData profile
OpenBB logo

OpenBB

75% overlap

OpenBB overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Sheets / Excel Add-ins, Custom Dashboards, and AI coverage, keeps a free plan on the table while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

OpenBB adds

  • Sheets / Excel Add-ins
  • Custom Dashboards
  • AI
  • AI Chat

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI

Shared pricing

Free
Open full comparisonView OpenBB profile
Addepar logo

Addepar

75% overlap

Addepar overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Wealth Management, Portfolio, and Portfolio Accounting / Book of Record coverage while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Addepar adds

  • Wealth Management
  • Portfolio
  • Portfolio Accounting / Book of Record
  • Client & Investor Reporting

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI
Open full comparisonView Addepar profile
Relative Rotation Graphs® (RRG Research) logo

Relative Rotation Graphs® (RRG Research)

75% overlap

Relative Rotation Graphs® (RRG Research) overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Stock Comparison coverage while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Relative Rotation Graphs® (RRG Research) adds

  • Stock Comparison

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI
Open full comparisonView Relative Rotation Graphs® (RRG Research) profile
Visible Alpha logo

Visible Alpha

75% overlap

Visible Alpha overlaps on Data APIs, APIs & SDKs, and Data Visualizations, adds Financials, Analyst Forecasts, and Analyst Price Targets coverage while matching Open Payments (CMS).

Shared categories

Data APIsAPIs & SDKsData Visualizations

Visible Alpha adds

  • Financials
  • Analyst Forecasts
  • Analyst Price Targets
  • Analyst Recommendations

Open Payments (CMS) keeps to itself

  • Regulatory Filings Monitoring

Shared platforms

WebAPI
Open full comparisonView Visible Alpha profile

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.