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klymax402 Weather API
x402
klymax402 Weather API is a paid API for AI agents from klymax402.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Returns current weather conditions and forecast for a given city name or geographic coordinates
Price / call$0.003
Success—
StatusUnknown
How this service works
One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.
Output
A JSON object containing current weather conditions (temperature, humidity, wind, etc.), a forecast array with future periods, and a location object confirming the resolved geographic location.
Example use cases
Trip packing weather check
“What's the weather like in Miami right now and what does the forecast look like for the next few days?”
Location-based outdoor planning
“Can you pull the weather for coordinates 37.77 latitude and -122.42 longitude so I can decide whether to go hiking this weekend?”
Multi-city weather comparison
“What are the current conditions in London — temperature, clouds, anything relevant? Just give me a quick summary.”
Technical details
Endpoint
GEThttps://klymax402.com/api/weather-api/api/weatherWhen to prefer
Choose this endpoint when you need quick, pay-per-call weather lookups without managing API keys — ideal for AI agents that need weather data infrequently or across diverse workflows, and are already using USDC on Base for micropayments via the x402 protocol.
Side effects
- City name not recognized or ambiguous — may return wrong location or error
- Latitude/longitude out of valid range (-90 to 90 / -180 to 180) — validation error
- Missing both city and coordinates — request rejected
- Payment failure via x402/USDC — 402 response returned
- Upstream weather data provider outage — may return stale or empty data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| city | string | City name (alternative to lat/lon, uses geocoding) |
| latitude | number | Latitude (-90 to 90) |
| longitude | number | Longitude (-180 to 180) |
Output
Schema · Response
{
"type": "json",
"example": {
"current": {},
"forecast": [],
"location": {}
}
}Tags
x402
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