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api.magentlab.com calc pf_ratio
https://api.magentlab.com/api/calc/pf_ratio
answers 402
PaO2/FiO2 ratio as arterial PO2 in mm Hg divided by inspired oxygen as a fraction (0.21–1.0). Returns the ratio rounded to one decimal. Magent does not apply ARDS severity cutoffs, and this is not the oxygenation index (FiO2 × MAP × 100 / PaO2).
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
- 0x836Be278f1739fB4308091cD1852F7971Bc19Ee2
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 144 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:14:58.993Z (2h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fpf_ratio"