perplexity_web_answer_fast $0.0125 per call

Answer a web question quickly. Produce a short cited answer with the fast Agent preset. (Perplexity · Open web & SEO data)

For AI agents: call perplexity_web_answer_fast
POST https://toll402.dev/v1/p/perplexity.web.answer.fast
{
 "preset": "fast",
 "input": "What is example.com used for? Answer in one sentence with a citation.",
 "max_steps": 1,
 "max_output_tokens": 160
}
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": {
  "preset": {
   "type": "string",
   "enum": [
    "fast"
   ],
   "examples": [
    "fast"
   ]
  },
  "input": {
   "type": "string",
   "examples": [
    "What is example.com used for?"
   ]
  },
  "max_steps": {
   "type": "integer",
   "enum": [
    1
   ],
   "examples": [
    1
   ]
  },
  "max_output_tokens": {
   "type": "integer",
   "examples": [
    160
   ]
  }
 },
 "additionalProperties": true,
 "required": [
  "preset",
  "input",
  "max_steps",
  "max_output_tokens"
 ],
 "description": "The $0.01 hold is an estimate; the reported usage.cost.total_cost can exceed it. This tool limits steps and output tokens. Use your own raw tool for other models, tools or streaming."
}

MCP

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

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