OpenSOSData vs OpenCorporates
Comparing OpenSOSData and OpenCorporates for U.S. business entity search API.
| Feature | OpenSOSData | OpenCorporates |
|---|---|---|
| Price per lookup | $0.0314 | up to $0.50 |
| Subscription required | No | Subscription required |
| States covered | 30 (48+ by Apr 15) | 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 3x to 16x cheaper 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 per lookup with no subscription or contract
- Real-time data queried directly from state Secretary of State databases
- Self-serve signup with instant API access
- 30 states live now, expanding to 48+ by April 15, 2026