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aisearch — Cited AI Web Search via x402
x402
aisearch — Cited AI Web Search via x402 is a paid API for AI agents from aisearch.x.c00l.site, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Performs a live web search and returns both raw results and an AI-synthesized, citation-backed Markdown report, billed per call in USDC via x402 with no API key required.
Price / call$0.02
Success—
StatusUnknown
How this service works
Web search that returns raw results plus an AI-synthesised, properly cited Markdown report. Pay per call in USDC over x402. No API key, no account.
Output
A JSON object containing: the AI model used, the original query, token usage stats (elapsed ms, input tokens, output tokens, number of web searches), a Markdown answer string with inline citation markers, an array of raw web result objects (url, title, snippet, publishedAt), a citations array with numbered references including URL, title, and exact quote, and an array of suggested follow-up questions.
Example use cases
Software release version lookup
“What is the latest stable release of Python right now? I need a cited answer with the source URLs so I can double-check.”
Current events research brief
“Search the web for what happened with the EU AI Act this week and give me a short summary with citations.”
Competitive landscape snapshot
“Find me a cited overview of the top AI coding assistants available today — I want sources so I can dig deeper into any of them.”
Technical details
Endpoint
POSThttps://aisearch.x.c00l.site/searchWhen to prefer
Choose this endpoint when you need both live web data and an AI-synthesized, citation-backed answer in a single call, without the overhead of managing API keys or subscriptions. It is ideal for agents that need verifiable, sourced answers on current events, software releases, or rapidly changing information. Prefer it over static knowledge bases when freshness and citations matter, and over raw search APIs when you want a ready-to-present synthesis rather than raw links.
Side effects
- Payment not received or insufficient USDC — x402 payment challenge returned before search executes
- Query string missing or malformed — likely returns 400 error
- Web search returns no results for highly obscure queries — answer may be empty or low-confidence
- Model timeout on very broad queries — elapsedMs may be high and response truncated
- Rate limiting or upstream search API unavailability — transient 5xx errors
Output
Schema · Response
{
"type": "json",
"example": {
"model": "claude-sonnet-5",
"query": "current node lts",
"usage": {
"elapsedMs": 11200,
"inputTokens": 15400,
"webSearches": 2,
"outputTokens": 780
},
"answer": "Node.js 24 'Krypton' is the current Active LTS line[1].",
"results": [
{
"url": "https://nodejs.org/en/about/previous-releases",
"title": "Node.js Releases",
"source": "web_search",
"snippet": "24.x LTS 'Krypton'...",
"publishedAt": "2026-07-14T00:00:00.000Z"
}
],
"citations": [
{
"n": 1,
"url": "https://nodejs.org/en/about/previous-releases",
"quote": "24.x LTS 'Krypton' entered Active LTS on 2025-11-06",
"title": "Node.js Releases"
}
],
"followUpQuestions": [
"When does Node.js 24 reach end of life?"
]
}
}Tags
x402
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