the402 endpoint detail

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api.magentlab.com calc wat_1

https://api.magentlab.com/api/calc/wat_1

answers 402

Franck 2008 WAT-1 (Withdrawal Assessment Tool-1). Eleven caller-assigned integers: ten 0/1 signs plus time_to_calm 0-2. Sum 0-12. Cutoff WAT-1 ≥3 vs NRS ≥4. magent does not observe the child. Pediatric iatrogenic opioid/benzodiazepine withdrawal monitoring only. Not a diagnosis, not NAS, not COWS, not CIWA-Ar, and not a medical device.

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
79 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:55.231Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fwat_1"