Free API Access
Ohio License Verification API
Integrate Ohio professional license verification into your applications. Free for verified businesses — no usage fees, no credit card required.
API keys are managed in your business dashboard
Create a free business account or sign in, then generate and manage your API keys from the API Keys tab.
What Is Included
- Access to all 24 Ohio licensing boards
- Cached license lookups (updated nightly)
- Board and license type reference endpoints
- JSON REST API with standard HTTP status codes
- Free — no usage tiers or credit card required
- Simple API key authentication (X-API-Key header)
Quick Example
curl -X POST \
"https://ohiolicensecheck.com/api/v1/lookup/cached" \
-H "X-API-Key: olc_your_key" \
-H "Content-Type: application/json" \
-d '{
"board": "Nursing Board",
"license_number": "RN.516652"
}'Data Freshness
API responses return cached data refreshed nightly at 2AM ET. For real-time data, direct users to the Individual Lookup page.
Full Documentation
Endpoints, authentication details, request/response schemas, and error codes.
View API Docs →