NameCheck · trademark availability
Developers

Trademark availability API + MCP

Call the same availability engine from code or an agent. Free tier needs no key; agents pay per call over x402.

HTTP

GET https://namecheck.dropwatchhq.com/api/check?name=ZenFlow

{ "verdict": "LIKELY_AVAILABLE", "available": true,
  "counts": { "exact": 0, "strong": 0, "partial": 1 },
  "similarMarks": [ { "mark": "...", "owner": "...", "tier": "partial", "intlClass": [9] } ],
  "disclaimer": "Not legal advice ..." }

MCP (agent-payable, x402)

POST https://namecheck.dropwatchhq.com/mcp   (streamable-http; tools/list then tools/call)
free:  check_name        — availability verdict + similar marks (corpus)
paid:  watch_portfolio   — add a name to a 12-month watch (x402, USDC on Base)

Machine discovery: /.well-known/x402 · /llms.txt