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api.magentlab.com calc osta
https://api.magentlab.com/api/calc/osta
answers 402
Koh 2001 Osteoporosis Self-Assessment Tool for Asians (OSTA). Index = trunc(0.2 × (weight_kg − age)) toward zero. Risk low if index > −1, intermediate if −1 through −4, high if index < −4. Age 18–120; weight_kg or weight_lb. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Asian women.
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
- 74 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:17:32.118Z (2h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fosta"