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PennyRail Web Search
x402
PennyRail Web Search is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Performs a web search query and returns results, accessible via micropayment-gated API using the x402 protocol
Price / call$0.02
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns web search results as a JSON object, typically including a list of results with titles, URLs, and snippet text from matching web pages relevant to the submitted query.
Example use cases
Real-time competitive research
“Search the web for recent pricing pages and product updates from Anthropic, OpenAI, and Google DeepMind so I can compare what they're offering right now.”
Breaking news lookup for briefing
“Search the web for news from the past 24 hours about the Federal Reserve interest rate decision and pull back the top results so I can brief my team.”
Technical documentation discovery
“Search the web for official documentation or tutorials on how to use the Stripe Connect API for marketplace payouts — I need accurate, up-to-date links.”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/premium/web.search--search-the-webWhen to prefer
Choose this endpoint when your agent needs real-time or current web information that is not available in a static knowledge base, and when you want a simple micropayment-gated ($0.02 USDC per call) web search without managing a separate search API key. It is well-suited for agents in x402-native payment pipelines that need occasional, on-demand web lookups at low per-query cost.
Side effects
- Missing or malformed 'input' object in request body returns a validation error
- Payment not completed or x402 challenge not fulfilled results in 402 Payment Required
- Query returns no results if search terms are too narrow or nonsensical
- Rate limits or upstream search provider outages may cause 429 or 503 errors
- Vague or very broad queries may return low-quality or irrelevant results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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