← All endpoints
api.magentlab.com calc promise
https://api.magentlab.com/api/calc/promise
answers 402
Psallidas 2018 Table 2A clinical PROMISE for malignant pleural effusion: chemo 0/4, radiotherapy 0/2, haemoglobin g/dL 0-4, WBC 10^9/L 0/2/4/7/10, CRP mg/L 0/3/5/8/11, ECOG 0-1=0 or 2-4=7, cancer mesothelioma 0 / other 4 / lung 5. Groups A 0-20 <25%, B 21-27, C 28-35, D >35 >=75% 3-month mortality. Not TIMP1. Not a treatment 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
- 67 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:17:53.150Z (2h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fpromise"