LiveDataLink
government · Washington L&I Open Data + official state licensing boards

Contractor License Verification data for AI agents

Source-linked contractor license verification: live Washington L&I lookup plus official board routing for California, Florida, and Texas. Where the upstream source provides it, the response includes a timestamp or freshness note.

Get a free key → See all 3 tools

How to connect

These Contractor License Verification tools use the same LiveDataLink endpoint as the rest of the catalog. Add it to an MCP client that supports Streamable HTTP and include your bearer key. Each source has its own coverage, update schedule, and credential requirements; those limits are listed in the catalog and response notes.

{
  "mcpServers": {
    "livedatalink": {
      "type": "http",
      "url": "https://livedatalink.ai/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_API_KEY",
        "Accept": "application/json, text/event-stream"
      }
    }
  }
}

Once connected, call any tool below. The free tier covers 1,000 queries each month across the 294-tool catalog, with no credit card.

Contractor License Verification tools (3)

wa_contractor_verifyLive Washington L&I contractor registration lookup by license number or business name, with expiry, status, trade/type, public business details, insurance context, and an official verification link.
contractor_license_sourcesOfficial board routes and freshness caveats for contractor-license checks in WA, CA, FL, and TX.
contractor_multistate_routeBuild a source-linked contractor-verification checklist for up to 12 supported states. Returns official lookup links, scope boundaries, and freshness caveats; it does not scrape, cache, or resell license records.

Common queries this domain answers: contractor · contractors · construction · builder · licensed contractor · license verification · contractor license · general contractor · electrician · plumber · hvac · roofing · bond · bonded · insurance · workers comp · workers compensation · l&i.

Why LiveDataLink for Contractor License Verification

FAQ

What can I look up in Contractor License Verification?
Source-linked contractor license verification: live Washington L&I lookup plus official board routing for California, Florida, and Texas. The catalog has 3 tools, including wa_contractor_verify, contractor_license_sources, contractor_multistate_route. They are available over the Model Context Protocol at https://livedatalink.ai/mcp. Coverage and update timing come from Washington L&I Open Data + official state licensing boards.
How do I connect these tools?
Add https://livedatalink.ai/mcp as a Streamable HTTP MCP server in Claude, Cursor, n8n, or another compatible client, then send an "Authorization: Bearer YOUR_API_KEY" header. A free key includes 1,000 queries/month with no card at https://livedatalink.ai/signup/free. The same key works across domains, although some upstream sources have their own credentials or limits.
Can I reuse the results in my product?
That depends on Washington L&I Open Data + official state licensing boards's terms. Check its attribution and redistribution rules before shipping results to customers. LiveDataLink's free tier includes 1,000 queries/month, and paid plans start at $10/month.

Start free, 1,000 queries/month → Browse all data domains