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.
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
Domainsdb.info
Registered Domain Names Search
No auth · HTTPS reported · CORS No
Tenders in Hungary
Get data for procurements in Hungary in JSON format
No auth · HTTPS reported · CORS Unknown
Tenders in Poland
Get data for procurements in Poland in JSON format
No auth · HTTPS reported · CORS Unknown
How to compare them
Coverage
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Operating cost
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Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
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Source reference
This page separates source-reported facts from questions that need live provider verification.