the402 endpoint detail

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markt.halowerk.com anomaly volume

https://markt.halowerk.com/anomaly/volume

payable

Compares the volume of the most recent completed minute candle with the distribution of minute volumes over the chosen lookback, taken from the history this hub records itself every minute. Median and median absolute deviation are used instead of mean and standard deviation because volume is skewed. Every finding carries its z value, the baseline median, the baseline MAD and the number of samples

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base
Pay to
0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
137 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:21.892Z (3d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fmarkt.halowerk.com%2Fanomaly%2Fvolume"