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PennyRail Router Execute (Nano)
x402
PennyRail Router Execute (Nano) is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Routes a natural-language intent or explicit product ID to a PennyRail micro-service and executes it, returning the service's result for $0.001 USDC per call.
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
A flexible JSON object whose shape depends on which PennyRail product was resolved and executed; may include processed text, transformed data, classification results, or any other product-specific output. The schema is open-ended (additionalProperties: true).
Example use cases
Automated content summarization pipeline
“Run this article through PennyRail with the intent 'summarize into three bullet points': 'Global supply chains are recovering from disruptions caused by port congestion and labor shortages, with shipping costs falling 30% year-over-year.'”
On-demand data transformation via product ID
“I already have the PennyRail product ID 'prod_csv2json_v2' — execute it with the input 'name,age\nAlice,30\nBob,25' and give me the result.”
Intent-routed micro-task for an agent workflow
“Ask PennyRail to figure out the right product for the intent 'classify this support ticket as billing, technical, or general' and run it on the input: 'I was double-charged for my subscription last month.'”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/router/execute/nanoWhen to prefer
Choose this endpoint when you need to dynamically route a natural-language intent to a low-cost ($0.001 USDC) micro-service without knowing the exact product upfront, or when you already have a PennyRail product ID and want the cheapest execution path. It is ideal for agent workflows that need pay-per-call compute without managing multiple API integrations. Prefer this over direct product endpoints when intent-based routing is desirable or when building cost-sensitive pipelines that leverage PennyRail's settlement layer.
Side effects
- Intent is too ambiguous for PennyRail to resolve a product — returns an error or empty result
- Invalid or unknown productId supplied — service cannot find the product
- Input string is malformed or too long for the resolved product
- Payment of $0.001 USDC fails due to insufficient wallet balance or x402 protocol error
- Network or cold-start latency on Vercel causes timeout
- Product execution itself fails and returns a pass-through error from the underlying service
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | Input passed to the resolved PennyRail product. |
| intent | string | Natural-language task. Omit when productId is supplied. |
| productId | string | Optional exact PennyRail product id returned by find/quote. |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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