the402 endpoint detail

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api.magentlab.com calc alsfrs_r

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

answers 402

Cedarbaum 1999 ALSFRS-R: twelve caller-assigned integers 0-4 (speech, salivation, swallowing, handwriting, cutting_food, dressing_hygiene, turning_in_bed, walking, climbing_stairs, dyspnea, orthopnea, respiratory_insufficiency). One cutting_food slot for with or without gastrostomy. Sum 0-48. magent does not examine. Cedarbaum 1999 printed no total-score severity bands. Not a diagnosis, not origin

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
66 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:55.232Z (2h ago)
Category
finance-crypto

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