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api.magentlab.com calc cpri
https://api.magentlab.com/api/calc/cpri
answers 402
Saisho 2011 CPR index: serum C-peptide (ng/mL) / plasma glucose (mg/dL) * 100, two decimals. timing fasting or postprandial (same formula; required label). below_best_cutoff true iff cpri < 2.02 (ROC for later insulin therapy; 80.8% sensitivity, 63.3% specificity). Glucose mg/dL only. Not HOMA-IR, not a diabetes diagnosis, not C-peptide alone, and not an insulin order.
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
- 61 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:17:52.121Z (2h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fcpri"