OpenSOSData vs OpenCorporates
Comparing OpenSOSData and OpenCorporates for U.S. business entity search API.
| Feature | OpenSOSData | OpenCorporates |
|---|---|---|
| Price per lookup | $0.0314 - $0.10 | up to $0.50 |
| Subscription required | No (optional cached plans available) | Subscription required |
| States covered | 53 (50 states + DC + PR + USVI) | Global (partial US) |
| API access | REST JSON API | REST API |
| Pay as you go | Yes (free tier available) | Varies |
| Data source | Real-time state SOS databases | Varies |
Key Differences
OpenCorporates offers global company data but charges $0.10 to $0.50 per API lookup and requires a subscription. For teams that only need U.S. Secretary of State data, OpenSOSData is up to 16x cheaper for live lookups and up to 160x cheaper for cached data, with no subscription commitment.
Known for global coverage across 140+ jurisdictions, but U.S. state-level data can be incomplete or delayed. OpenSOSData queries each state SOS database in real time.
Why Teams Choose OpenSOSData
- $0.0314 - $0.10 per live lookup, no subscription required
- Real-time data queried directly from state Secretary of State databases
- Self-serve signup with instant API access
- 53 jurisdictions live — all 50 states plus DC, PR, and USVI