Maxwell x402
GET https://api.maxwellinternational.ai/v1/weather/gridpoint
NWS quantitative gridded forecast for a US point: time series for temperature, dewpoint, humidity, wind and gusts, sky cover, precipitation probability and amount, snowfall, ice, snow level, visibility, thunder probability, weather and hazards (about 7 days). Filter with fields= and hours=. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://api.maxwellinternational.ai/v1/weather/gridpoint"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 10:01 | Valid 402 | 402 | 826 ms | $0.005 |
| 2026-10-11 05:30 | Valid 402 | 402 | 577 ms | $0.005 |
| 2026-10-11 01:15 | Valid 402 | 402 | 663 ms | $0.005 |
| 2026-10-10 20:45 | Valid 402 | 402 | 746 ms | $0.005 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves