API archive entry · source-reported
TradeDataHub
U.S. contractor datasets with a free discovery API for coverage, pricing and masked previews
Other Business APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
Softoteca
Catalog of Brazilian software with the source of each data point and prices in BRL
No auth · HTTPS reported · CORS Yes
W System EU Business Data
EU VAT (VIES) and EORI validation, company registers, EU/UN/OFAC/UK sanctions screening
No auth · HTTPS reported · CORS Yes
Verif Entreprise FR
French company checks by SIREN: status, insolvency (BODACC), VAT (VIES); free preview
No auth · HTTPS reported · CORS Yes
Markbase
Search 14M+ USPTO trademarks with fuzzy search and autocomplete
No auth · HTTPS reported · CORS Yes
Mydentify
Discover software by task through structured product directories and weekly leaderboards
No auth · HTTPS reported · CORS Yes
KontragentPro
Russian company data from state registers by INN or OGRN: profile, finances, timeline
No auth · HTTPS reported · CORS Yes
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.