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API Japan — Tokyo Weather API
x402
API Japan — Tokyo Weather API is a paid API for AI agents from apijapan.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns current weather data for Tokyo including temperature, wind speed, and humidity
Price / call$0.001
Success—
StatusUnknown
How this service works
x402対応の日本データAPI。天気・為替・株価をAIエージェントに提供。APIキー不要・USDC決済。
Output
A JSON object containing Tokyo's current temperature in Celsius (temperature_2m), wind speed in m/s (wind_speed_10m), and relative humidity percentage (relative_humidity_2m), along with the city name.
Example use cases
Example prompt
“What's the current temperature, wind speed, and humidity in Tokyo right now?”
Technical details
Endpoint
GEThttps://apijapan.vercel.app/api/weather/tokyoWhen to prefer
Choose this endpoint when you need real-time weather data specifically for Tokyo without requiring an API key, and you are operating in an x402 micropayment-enabled environment. Ideal for AI agents that need lightweight, per-call weather lookups billed in USDC.
Side effects
- Payment failure: 402 response if USDC payment not included or insufficient
- Upstream weather data unavailable: possible 503 or empty response
- Rate limiting or provider downtime
- Malformed response if upstream data source is unreachable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"city": "tokyo",
"temperature_2m": 22.5,
"wind_speed_10m": 5.2,
"relative_humidity_2m": 60
}
}Tags
x402
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