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store.cryptotradecalc.com api air-quality
https://store.cryptotradecalc.com/api/air-quality
answers 402
air-quality-oracle: European Air Quality Index with pollen and UV for any city via Open-Meteo aggregation
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.008
- Network
- base
- Pay to
- 0x7849Ed8A93815Fe26a38b5368498b4Fc6210Be8a
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 784 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:37:38.298Z (9h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fstore.cryptotradecalc.com%2Fapi%2Fair-quality"