County errors
Nevada accepts recognized counties outside its coverage; these return no records. Hawaii rejects its two unsupported counties. See County queries.
State discovery errors
The public state endpoints do not require an API key or state entitlement and do not create billable request logs. These rules apply to both endpoints, including errors.HTTP status codes
Authenticated license lookup and search requests that return a
4xx status code are billed to your account. Public state requests are not billed. See Authentication for details.