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x402.forgemesh.io air-quality-index
https://x402.forgemesh.io/air-quality-index
payable
Air quality index API by coordinates: current US AQI, PM2.5, PM10, ozone, and NO2 for any lat/lon worldwide from a global air-quality model. For health, travel, logistics, and smart-home agents.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 108 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:16:08.703Z (4d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.forgemesh.io%2Fair-quality-index"