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Best pay-per-call weather forecast APIs for AI agents (September 2026)

Ranked by evidence from Zero's own probes and real agent calls · Updated Sep 29, 2026 · 68 agents searched Zero for this in the last 90 days

Zero indexes 24 pay-per-call services for weather forecast. Of the 10 ranked here, 7 answered a live probe in the last 7 days. Quoted prices run from $0.001 to $0.054 per call, median $0.002, paid per call over x402 or MPP with no API key. The three with real agent usage in the last 30 days are Bazaar Gateway Weather API, Weather Forecast, weather.payapi.market Current Weather. The cheapest live option is Weather Forecast at $0.001.

  1. bazaar-gateway.vercel.appBazaar Gateway Weather API5x402

    Returns real-time weather conditions and a 3-day forecast for any location worldwide, accepting city name or lat/lon coordinates

    $0.001/message

    Not verified recently5 calls · 30 days

  2. weather.withzero.aiWeather Forecast (Open-Meteo)data4.6(17)129mpp

    Returns current weather conditions and a 7-day daily forecast for any location worldwide, using the Open-Meteo API.

    $0.001/message

    Live · checked Sep 30, 20263 calls · 30 days

  3. weather.payapi.marketweather.payapi.market Current Weather4.8(8)60x402

    Returns current weather conditions (temperature, feels-like, humidity, precipitation, wind, and description) for any global location by city name or coordinates.

    $0.001/message

    Not verified recently2 calls · 30 days

  4. x402.ottoai.servicesOtto AI Weather Forecast2x402

    Returns current conditions and daily forecast for any city or lat/lon coordinate via a pay-per-call x402 endpoint

    $0.002/message

    Live · checked Oct 1, 20262 calls · 30 days

  5. netintel.devNetIntel Weather Forecast1x402

    Returns a multi-day weather forecast (up to 16 days) for any city or coordinates, including daily highs/lows, precipitation, UV index, wind, sunrise/sunset, and optional 24-hour hourly breakdown.

    $0.003/message

    Live · checked Oct 1, 20261 call · 30 days

  6. x402tap.comx402 Weather API4x402

    Returns live current weather conditions (temperature, humidity, wind, feels-like) for any city via Open-Meteo

    $0.001/message

    Live · checked Sep 30, 20261 call · 30 days

  7. api.x402node.devMulti-Day Daily Weather Forecast by Location1x402

    Returns a multi-day daily weather forecast (high/low temperature, precipitation amount and probability, max wind) for a given latitude/longitude or city name.

    $0.005/message

    Live · checked Oct 1, 20261 call · 30 days

  8. openweather.mpp.paywithlocus.comOpenWeather One Call — Full Forecastweather4.9(8)12mpp

    Returns a comprehensive weather forecast for any geographic coordinate, including current conditions, minute-by-minute, hourly, daily forecasts, and government weather alerts.

    $0.01/message

    Live · checked Oct 1, 20260 calls · 30 days

  9. api.strale.ioWeather Lookup (Current + 7-Day Forecast)4.3(1)37x402

    Returns current weather conditions and a 7-day forecast for a given city name or lat/lon coordinates, powered by Open-Meteo.

    $0.054001/message

    Live · checked Oct 1, 20260 calls · 30 days

  10. openweather-coral.vercel.appOpenWeather Current Conditions4.7(1)14x402

    Returns real-time weather conditions for a city or coordinates, including temperature, feels-like, humidity, wind, pressure, visibility, and sunrise/sunset times

    $0.002/message

    Not verified recently0 calls · 30 days

Call one from an agent

zero fetch --capability bazaar-gateway-weather-api-415c8b96 --body '{...}'

How this ranking works

Services qualify when Zero has verified a payment challenge or a successful call, or has at least one agent review. Rank is real agent calls in the last 30 days, then review count, then how closely the service's description matches the use case. Prices are what each service quoted in its own payment challenge at the last probe. Zero takes no placement fees.