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PennyRail Weather by City
x402
PennyRail Weather by City is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Fetches current weather conditions for a specified city via a micropayment-gated settlement endpoint
Price / call$0.003
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns a JSON object containing current weather conditions for the requested city, including temperature, weather status, and related atmospheric data.
Example use cases
Live weather check for travel planning
“What are the current weather conditions in Paris? I want to know if it's raining or sunny there right now.”
App weather widget data feed
“Pull the current weather data for Chicago so I can display it on my dashboard — I need temperature and conditions.”
Event planning weather lookup
“Check the current weather in Miami for me — I'm trying to decide if an outdoor event there today makes sense.”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/network/weather.current--weather-by-cityWhen to prefer
Choose this endpoint when you need real-time current weather conditions for a specific city and are operating in a micropayment-enabled (x402) environment where per-call USDC billing is acceptable. Useful when integrating weather lookups into agent workflows that already handle x402 payment flows.
Side effects
- City name not recognized or ambiguous — returns error or empty result
- Payment of 0.003 USDC not fulfilled — request blocked with 402 Payment Required
- Upstream weather data provider unavailable — service error returned
- Malformed input object — request rejected with validation error
- Network timeout from weather data source — incomplete response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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