API archive entry · source-reported
Markbase
Search 14M+ USPTO trademarks with fuzzy search and autocomplete
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.
Auregistre
French company history since 2008 from the BODACC gazette, no key required
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
Legal Sandbox Georgia
Find verified legal specialists in Georgia from natural-language queries
No auth · HTTPS reported · CORS Yes
Pick an Agency
Search 47,000+ marketing agencies by service, location and rating
No auth · HTTPS reported · CORS Yes
TradeDataHub
U.S. contractor datasets with a free discovery API for coverage, pricing and masked previews
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.