VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Saturday, September 27, 2025
Investors comparing Similarweb and USAspending will find that Both Similarweb and USAspending concentrate on Data APIs, APIs & SDKs, and Data Visualizations workflows, making them natural alternatives for similar investment research jobs. Similarweb leans into App & Website Traffic, and Sheets / Excel Add-ins, which can be decisive for teams that need depth over breadth. USAspending stands out with Videos, and Other that the competition lacks. Use the feature-by-feature table to inspect unique capabilities and confirm which roadmap best maps to your process.
Head-to-head
Similarweb vs USAspending
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
- Similarweb adds App & Website Traffic, and Sheets / Excel Add-ins coverage that USAspending skips.
- USAspending includes Videos, and Other categories that Similarweb omits.
- Similarweb highlights: Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool., APIs available in REST and Batch modes: REST delivers JSON responses, while Batch handles large CSV reports., and Webhook support for subscribing to daily or monthly data releases, with options to manage subscriptions directly..
- USAspending is known for: Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure., Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy., and Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints..
Similarweb
similarweb.com
Digital intelligence platform providing website and app traffic data, engagement benchmarks, and competitive insights. API access is sold separately or bundled with Enterprise plans, and is required for most native integrations (Excel, Sheets, Tableau, Power BI, Salesforce, HubSpot, Snowflake, Databricks). Webhooks support daily and monthly data release notifications. A free DigitalRank API offers basic website ranking data.
Platforms
Pricing
Quick highlights
- Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool.
- APIs available in REST and Batch modes: REST delivers JSON responses, while Batch handles large CSV reports.
- Webhook support for subscribing to daily or monthly data releases, with options to manage subscriptions directly.
- Data Exporter for no-code bulk exports, including scheduled email delivery and CSV downloads.
- Bulk input support for uploading CSV lists (up to ~1M entries per report) to create large exports.
USAspending
usaspending.gov
Official U.S. federal spending open‑data portal mandated by the DATA Act and operated by Treasury’s Bureau of the Fiscal Service. The public REST API powers the site (GET/POST endpoints, JSON responses). Data refreshes daily after a nightly pipeline; underlying source systems update on different cadences (e.g., monthly for Files A/B/C via the DATA Act Broker; next‑day for FPDS contracts; FABS within 2 weeks; FSRS subawards by month‑end; GTAS monthly). Bulk downloads and archives are available for awards back to FY2008.
Platforms
Pricing
Quick highlights
- Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure.
- Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy.
- Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints.
- Bulk data: Award Data Archive (pre‑generated, by agency/fiscal year), Custom Award Data, Custom Account Data, and full Database Download.
- Award coverage: contracts, contract IDVs, grants, direct payments, loans, insurance, other financial assistance; prime awards and subawards (FSRS).
Shared focus areas
Both platforms align on these research themes, so you can stay within one workflow when your use case involves them.
Where they differ
Similarweb
Distinct strengths include:
- Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool.
- APIs available in REST and Batch modes: REST delivers JSON responses, while Batch handles large CSV reports.
- Webhook support for subscribing to daily or monthly data releases, with options to manage subscriptions directly.
- Data Exporter for no-code bulk exports, including scheduled email delivery and CSV downloads.
USAspending
Distinct strengths include:
- Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure.
- Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy.
- Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints.
- Bulk data: Award Data Archive (pre‑generated, by agency/fiscal year), Custom Award Data, Custom Account Data, and full Database Download.
Feature-by-feature breakdown
| Attribute | Similarweb | USAspending |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Data APIs, APIs & SDKs, Data Visualizations Unique: App & Website Traffic, Sheets / Excel Add-ins | Shared: Data APIs, APIs & SDKs, Data Visualizations Unique: Videos, Other |
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, Subscription | Free |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Frequently Asked Questions
Which workflows do Similarweb and USAspending both support?
Both platforms cover Data APIs, APIs & SDKs, and Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do Similarweb and USAspending require subscriptions?
Both Similarweb and USAspending keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access Similarweb and USAspending?
Both Similarweb and USAspending 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?
Similarweb differentiates itself with Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool., APIs available in REST and Batch modes: REST delivers JSON responses, while Batch handles large CSV reports., and Webhook support for subscribing to daily or monthly data releases, with options to manage subscriptions directly., whereas USAspending stands out for Advanced Search & profiles across awards, recipients, agencies, federal accounts; filters include date, place of performance, NAICS/PSC, Assistance Listing (formerly CFDA), DEFC for COVID/infrastructure., Spending Explorer and Agency/Federal Account profiles for top‑down views of obligations/outlays and drill‑downs by budget hierarchy., and Public REST API that powers the website (GET & POST endpoints; JSON responses); tutorial and contracts for commonly used endpoints..
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.