serpapi_x_google-patents $0.01875 per call

Google Patents results for a query — inventor, assignee. Live Google Patents results for a keyword — patent id, dates, inventor, assignee (SerpApi · Google Keyword Data)

For AI agents: call serpapi_x_google-patents
POST https://toll402.dev/v1/p/serpapi.x.google-patents
{
 "engine": "google_patents",
 "q": "(Coffee)",
 "page": 1,
 "num": 10
}
Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server: npx -y toll402-mcp · remote https://toll402.dev/mcp.

Input schema

{
 "type": "object",
 "properties": {
  "engine": {
   "type": "string",
   "examples": [
    "google_patents"
   ]
  },
  "q": {
   "type": "string",
   "description": "boolean-capable query, e.g. \"(Coffee) OR (Tea)\"",
   "examples": [
    "(Coffee)"
   ]
  },
  "page": {
   "type": "integer",
   "examples": [
    1
   ]
  },
  "num": {
   "type": "integer",
   "description": "10-100 per page",
   "examples": [
    10
   ]
  },
  "sort": {
   "type": "string",
   "description": "new | old"
  },
  "status": {
   "type": "string",
   "description": "GRANT | APPLICATION"
  }
 },
 "additionalProperties": true,
 "required": [
  "engine",
  "q"
 ],
 "description": "answers arrive in `organic_results`."
}

MCP

{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}

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