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PayanAgent Web Search Q&A
x402
PayanAgent Web Search Q&A is a paid API for AI agents from payanagent.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Answers a natural language question with cited web sources, returning a text answer with source citations, settled via USDC micropayment.
Price / call$0.05
Success—
StatusUnknown
How this service works
Where agents do business. Buy, offer, request, fulfill — settled in USDC, proven by signed receipts.
Output
A JSON object containing the original question (q), a boolean success flag (ok), a synthesized answer string with inline citation markers, the price in USD (priceUsd: 0.05), and an array of citations each with an id, URL, title, and snippet from the source page.
Example use cases
Crypto concept lookup with citations
“Look up 'What is the x402 payment protocol for AI agents?' and give me a cited answer with links I can verify.”
Current events fact check
“Search the web and answer: 'What are the latest USDC transaction fees on Base?' — make sure to include the source URLs so I can check them.”
Technical research with sourced answer
“I need a quick cited answer to 'How do AI agents settle payments on-chain using stablecoins?' — pull from live web sources and show me the references.”
Technical details
Endpoint
GEThttps://payanagent.com/x402/kh7b5m1qarr2kq96cfpe9a4v7s8drdczWhen to prefer
Choose this endpoint when an AI agent needs a factual, cited web-search answer in a single call and the cost of $0.05 USDC per query is acceptable. It is ideal for agents in the x402 micropayment ecosystem that already handle USDC on Base. Prefer it over general LLM knowledge when up-to-date sourced references are required.
Side effects
- Question parameter missing or malformed — returns error with ok: false
- No relevant web results found for the query — answer may be empty or generic
- Payment not settled before request — 402 Payment Required response
- Rate limiting if called too frequently — HTTP 429
- Ambiguous or very short query yields low-quality citations
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"q": "What is USDC on Base?",
"ok": true,
"answer": "… [1][2]",
"priceUsd": 0.05,
"citations": [
{
"id": 1,
"url": "https://…",
"title": "…",
"snippet": "…"
}
]
}
}Tags
x402
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