Delaware API coverage

Delaware contractor business license API

Use the production API to search and verify statewide resident and nonresident contractor business licenses while keeping authority and source context in each result.

Production APILive
curl --request POST "https://api.statelicense.io/v1/search" \
  --header "Authorization: Bearer YOUR_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
  "state": "DE",
  "business_name": "ACME",
  "page_size": 5
}'
Representative response
{
  "results": [
    {
      "state": "DE",
      "license_number": "LICENSE_NUMBER",
      "business_name": "Example Contractor",
      "status": "active",
      "authority": "Delaware Division of Revenue",
      "license_type": "Source-specific type",
      "source_updated_at": "2026-09-03T00:00:00Z"
    }
  ],
  "total": 1,
  "page": 1
}

Authority

Delaware Division of Revenue

Live coverage

Statewide resident and nonresident contractor business licenses

Refresh cadence

Weekly Thursday at 10:20 AM Pacific

Source and coverage

StateLicense downloads the official Division of Revenue business-license dataset and selects resident and nonresident contractor activities. Multiple trade names for one license are combined for search. Confirm current standing with the Division of Revenue.

Review a result

Compare the contractor business license number, business identity, status, classifications, and dates with the official Delaware Division of Revenue record before a consequential decision.

API fields returned

InformationAvailability
Business-license numberWhen supplied by the authority
Legal and trade namesWhen supplied by the authority
Resident or nonresident activityWhen supplied by the authority
Current term datesWhen supplied by the authority
Mailing locationWhen supplied by the authority
Source freshnessWhen supplied by the authority

Freshness: Weekly Thursday at 10:20 AM Pacific. Field availability depends on the source record; unavailable values are not inferred.

Coverage limitations

  • • This is a business license, not a trade qualification or permit.
  • • The current-only dataset omits historical and adverse records; active status is inferred only when the license term covers the source revision and import date.

Delaware contractor business license API FAQ

What does Delaware coverage include?

Statewide resident and nonresident contractor business licenses. This is a business license, not a trade qualification or permit. The current-only dataset omits historical and adverse records; active status is inferred only when the license term covers the source revision and import date.