VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Wednesday, February 18, 2026
Tool Comparison
Open Payments (CMS) vs Similarweb comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Similarweb
similarweb.com
At a glance
Tool
Open Payments (CMS)
—
Starting price
Plans & pricing
Tool
Similarweb
$199/mo
Starting price
Plans & pricing
Vote sentiment comparison
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Platform details
| Attribute | Open Payments (CMS) | Similarweb |
|---|---|---|
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 | CSVExcelJSONPDFImage |
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by Open Payments (CMS) only.
Categories covered by Similarweb only.
Frequently Asked Questions
What's the difference between Open Payments (CMS) and Similarweb?
Open Payments (CMS) focuses on Data APIs, APIs & SDKs, and Data Visualizations while Similarweb specializes in App & Website Traffic, Data APIs, and APIs & SDKs. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do Open Payments (CMS) and Similarweb cost?
Good news—both Open Payments (CMS) and Similarweb offer free plans. You can try each platform without commitment and only pay when you need premium features.
Do Open Payments (CMS) and Similarweb 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 Similarweb?
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 Similarweb if Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool., and APIs available in REST and Batch modes: REST delivers JSON responses, while Batch handles large CSV reports. better fits how you invest.
Can I export data from Open Payments (CMS) and Similarweb?
Both platforms let you export data to spreadsheets (CSV, and JSON). This is useful for custom analysis or record-keeping.
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These profiles share overlapping coverage with both sides of this matchup.
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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.