linkup_web_answer $3.125 per call

Research a web question. Start asynchronous multi-source research with citations. (Linkup · Open web & SEO data) Async task: answers 202 with a job id; poll GET /v1/jobs/<id>. Price depends on the options ($0.3125 to $3.125); refunded if the task fails. Prepaid credits only.

For AI agents: call linkup_web_answer
POST https://toll402.dev/v1/p/linkup.web.answer
{
 "q": "What is example.com used for?",
 "outputType": "sourcedAnswer",
 "reasoningDepth": "S",
 "mode": "answer"
}
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": {
  "q": {
   "type": "string",
   "examples": [
    "What is example.com used for?"
   ]
  },
  "outputType": {
   "type": "string",
   "enum": [
    "sourcedAnswer",
    "structured"
   ],
   "examples": [
    "sourcedAnswer"
   ]
  },
  "reasoningDepth": {
   "type": "string",
   "enum": [
    "S",
    "M",
    "L",
    "XL"
   ],
   "examples": [
    "S"
   ]
  },
  "mode": {
   "type": "string",
   "default": "auto",
   "enum": [
    "answer",
    "auto",
    "investigate",
    "research"
   ]
  },
  "includeDomains": {
   "type": "string"
  },
  "excludeDomains": {
   "type": "string"
  },
  "fromDate": {
   "type": "string",
   "description": "ISO date YYYY-MM-DD."
  },
  "toDate": {
   "type": "string",
   "description": "ISO date YYYY-MM-DD."
  },
  "structuredOutputSchema": {
   "type": "string",
   "description": "JSON Schema encoded as a string; required for structured output."
  }
 },
 "additionalProperties": true,
 "required": [
  "q",
  "outputType",
  "reasoningDepth"
 ],
 "description": "Research can take minutes. A failed task consumes no Linkup credit; poll the returned id."
}

MCP

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

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