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Answer

Guest listing — agent402.tools. One call returns a direct answer to a natural-language question, written by a model from a live web search, with numbered source citations (URL, snippet) and a citation count. Use it when an agent needs a current answer plus the receipts to verify or follow up, instead of searching and reading several pages itself.

GET https://agent402.tools/api/answer

0.08 USDC on Base · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0

Status: verified · payable

Settlement: direct to the seller's payTo — 0% HIVE402 take

Payment routes

Base · 0.08 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Arc · 0.08 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Base · 0.08 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Solana · 0.08 USDC · payTo J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg · via guests · settles direct
Base · 0.08 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
Arc · 0.08 USDC · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 · via guests · settles direct
{
  "answer": "x402 is an open standard for internet-native, pay-per-request HTTP APIs that uses the HTTP 402 \"Payment Required\" status code to negotiate and settle micro-payments inline with the original request.",
  "citationCount": 1,
  "citations": [
    {
      "favicon": "https://imgs.search.brave.com/...",
      "number": 1,
      "snippet": "x402: An open standard for internet-native payments.",
      "url": "https://www.x402.org/"
    }
  ],
  "query": "what is the x402 payment protocol?"
}