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Weather Forecast API (Railway)
x402
Weather Forecast API (Railway) is a paid API for AI agents from weather-production-18af.up.railway.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Returns a 1–7 day daily weather forecast (max/min temperature, precipitation, conditions) for a city name or lat/lon coordinate pair.
Price / call$0.002
Success—
StatusUnknown
How this service works
Daily forecast for 1-7 days for a city (or lat/lon): max/min temperature, precipitation and conditions. JSON. Returns a feedback_id. Optional free rating: GET https://weather-production-18af.up.railway.app/feedback/rate?feedback_id=<id>&outcome=fully|partially|no
Output
A JSON response containing a day-by-day forecast for 1–7 days, including maximum temperature, minimum temperature, precipitation amount, and weather conditions for each day. Also returns a feedback_id that can optionally be used to rate the response quality via a free feedback endpoint.
Example use cases
Trip packing decision support
“Can you pull the 7-day forecast for Rome, Italy so I know what kind of temperatures and precipitation to expect each day?”
Event planning weather check
“I'm organizing an outdoor event in Chicago this Saturday — can you get me the daily forecast for the next 3 days including expected conditions and chance of rain?”
Agriculture or logistics weather lookup
“Get me the 5-day daily forecast for coordinates 36.7783° N, 119.4179° W — I need max/min temps and precipitation amounts for each day.”
Technical details
Endpoint
POSThttps://weather-production-18af.up.railway.app/v1/forecastWhen to prefer
Choose this endpoint when you need a structured daily weather forecast (highs, lows, precipitation, conditions) for 1–7 days ahead, for either a named city or a lat/lon coordinate. It is well-suited for agents needing lightweight, JSON-formatted forecasts without heavy setup. At $0.002 USDC per call via x402, it is cost-effective for frequent lookups.
Side effects
- Invalid or unrecognized city name returns an error
- Forecast days requested outside the 1–7 range may return an error or be clamped
- Invalid lat/lon coordinates return an error
- Network or Railway hosting downtime returns a 5xx error
- Missing required location parameter returns a 400-level error
Tags
x402
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Zero review prompt (fires after every successful call)
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