VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

OpenCorporates vs USAspending comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

OpenCorporates adds Regulatory Filings Monitoring coverage that USAspending skips.

USAspending includes APIs & SDKs, Data Visualizations, and Videos categories that OpenCorporates omits.

OpenCorporates highlights: 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day)., and OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers..

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..

OpenCorporates logo

OpenCorporates

opencorporates.com

The world’s largest open database of legal entities, offering both a public-facing search and an API. Free access is available for personal or public-benefit use, while commercial API access and bulk datasets require a paid plan. Bulk deliveries are provided via SFTP in CSV format, and the platform includes a public status page for web, API, knowledge base, and SFTP availability.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links.
  • Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).
  • OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers.
  • Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships).
  • Relationships dataset includes 30M+ links covering subsidiaries, branches, control statements, and shareholdings, with data from sources like the SEC and UK PSC.

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USAspending logo

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

Web
API

Pricing

Free

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).

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include Data APIs, and Other.

Where they differ

OpenCorporates

Distinct strengths include:

  • 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links.
  • Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).
  • OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers.
  • Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships).

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

AttributeOpenCorporatesUSAspending
Categories

Which research workflows each platform targets

Shared: Data APIs, Other

Unique: Regulatory Filings Monitoring

Shared: Data APIs, Other

Unique: APIs & SDKs, Data Visualizations, Videos

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

  • 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links.
  • Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).
  • OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers.
  • Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships).
  • Relationships dataset includes 30M+ links covering subsidiaries, branches, control statements, and shareholdings, with data from sources like the SEC and UK PSC.
  • Data acquisition ranges from hourly to quarterly; registry ingestion checks run every 5 minutes. Bulk deliveries are typically no more than one month behind official registries.

Unique

  • 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).
  • Entity identifiers: UEI (replaced DUNS on Apr 4, 2022) used for recipients as the governmentwide identifier (via SAM.gov).
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Frequently Asked Questions

Which workflows do OpenCorporates and USAspending both support?

Both platforms cover Data APIs, and Other workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do OpenCorporates and USAspending require subscriptions?

Both OpenCorporates and USAspending keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access OpenCorporates and USAspending?

Both OpenCorporates 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?

OpenCorporates differentiates itself with 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day)., and OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers., 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.