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call402.com Weather API (x402)
x402
call402.com Weather API (x402) is a paid API for AI agents from call402.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-19).
Returns current conditions and a multi-day forecast for a given city or coordinates, paid per-call with USDC via the x402 protocol on Base mainnet.
Price / call$0.005
Success—
StatusUnknown
How this service works
USDC pay-per-call APIs for AI agents via the x402 protocol (v2, exact, Base mainnet). Send a request, receive HTTP 402 with payment requirements, pay with @x402/fetch or any x402 client, retry with the PAYMENT-SIGNATURE header.
Output
A JSON object with three sections: 'current' (temperature, apparent temperature, humidity, wind speed, weather condition string, weather code), 'daily' (array of up to 7 days each with date, condition, temp_max_c, temp_min_c, weather_code, precipitation_probability_max_pct), and 'location' (resolved city name, region, country, latitude, longitude, timezone). A 'meta' field indicates the data source (Open-Meteo).
Example use cases
Travel packing decision support
“I'm heading to Tokyo on Thursday — can you pull the current weather and a 5-day forecast so I know what conditions to expect while I'm there?”
Outdoor event weather check
“We have an outdoor concert in Austin, Texas this Saturday. Can you check the weather forecast for the next 3 days and tell me the chance of rain and temperature range?”
Real-time logistics routing alert
“Our delivery drivers are heading to Miami today. Can you get me the current wind speed, temperature, and any precipitation probability for Miami right now?”
Technical details
Endpoint
POSThttps://call402.com/api/weather?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your agent needs real-time weather data or short-range forecasts (1–7 days) and operates in a crypto-native / x402 micropayment context. At $0.005 USDC per call it is cost-effective for per-request agent workflows on Base mainnet. Prefer it over subscription-based weather APIs when you want pay-as-you-go pricing without API key management. The Open-Meteo backend provides global coverage with no additional licensing.
Side effects
- City name not recognized — returns error or empty location; use lat/lon instead
- Days parameter outside 1–7 range may be rejected or clamped
- Neither city nor lat/lon provided — likely 400 Bad Request
- HTTP 402 returned on first call if x402 payment header not yet sent — expected behavior; retry with PAYMENT-SIGNATURE header
- Network or upstream Open-Meteo outage — 5xx error propagated
- Ambiguous city name (e.g. 'Springfield') may resolve to an unintended location
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| city | string | City name (or provide latitude/longitude instead) |
| days | integer | Forecast days, 1-7 (default 3) |
| latitude | number | |
| longitude | number |
Output
Schema · Response
{
"type": "json",
"example": {
"meta": {
"source": "open-meteo"
},
"daily": [
{
"date": "2026-10-19",
"condition": "partly cloudy",
"temp_max_c": 25,
"temp_min_c": 18.2,
"weather_code": 2,
"precipitation_probability_max_pct": 10
}
],
"current": {
"time": "2026-10-19T10:00",
"wind_kmh": 12.4,
"condition": "partly cloudy",
"humidity_pct": 60,
"weather_code": 2,
"temperature_c": 22.5,
"apparent_temperature_c": 23.1
},
"location": {
"name": "Shanghai",
"region": "Shanghai",
"country": "China",
"latitude": 31.23,
"timezone": "Asia/Shanghai",
"longitude": 121.47
}
}
}Tags
x402
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