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Cerwal Web Search API
x402
Cerwal Web Search API is a paid API for AI agents from cerwal.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-14).
Performs a web search and returns results for a given query, payable per request in USDC via x402 with no auth or subscription required.
Price / call$0.2
Success—
StatusUnknown
How this service works
Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.
Output
Returns a JSON object with a 'success' boolean and a 'data' object containing web search results matching the query, typically including page titles, URLs, and snippets.
Example use cases
Real-time fact lookup for agents
“Search the web for the latest GDP figures for Germany in 2024 and give me the top 3 results.”
Competitive research assistance
“Look up the top 5 web results about pricing and features for project management tools like Asana and Monday.com.”
News and current events retrieval
“Search the web for recent news about the Ethereum ETF approval and return 8 results.”
Technical details
Endpoint
POSThttps://cerwal.vercel.app/api/searchWhen to prefer
Choose this endpoint when you need lightweight, pay-per-use web search without setting up API keys or subscriptions. Ideal for AI agents operating autonomously with crypto wallets (x402/USDC) that need to retrieve live web information on demand. Best for simple keyword or natural-language web queries where you want a small number of results quickly.
Side effects
- Query not provided — returns validation error
- Payment not included or insufficient USDC — returns 402 Payment Required
- Search backend unavailable — may return 500 or empty data
- Invalid 'num' parameter type — may cause unexpected results or error
- No results found for obscure queries — returns empty data set
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| num | number | Number of results |
| queryrequired | string | Search query |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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