Maine Business Entity Search API
Search Maine Secretary of State business entity records programmatically using the OpenSOSData API. Get entity name, status, registered agent, entity type, and filing details for any Maine-registered business in seconds.
OpenSOSData queries the Maine Secretary of State database in real time and returns structured JSON. $0.0314 per lookup, no subscription required.
Quick Start
curl -X POST https://api.opensosdata.com/v1/lookup \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"entity_name": "Example Company", "state": "ME"}'
What Data Is Returned
| Field | Description |
|---|---|
| Entity Name | Official registered name |
| Status | Active, Inactive, Dissolved, etc. |
| Entity Type | LLC, Corporation, LP, etc. |
| Registered Agent | Name and address |
| State Entity ID | Official state filing number |
| Formation Date | Date the entity was formed |
| Principal Address | Business mailing address |
Pricing
Every Maine business entity lookup costs $0.0314. No subscription, no monthly minimums.