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cryptopulse.theaslangroupllc.com api volatility-check
https://cryptopulse.theaslangroupllc.com/api/volatility-check
answers 402, partial
Volatility check for a perp market, deterministic. Answers "how volatile is this coin right now", "is the range compressing or expanding". Computed in code from Hyperliquid candles: annualized realized volatility (log-return stdev), NATR (Wilder ATR-14 / price), Bollinger(20,2) width percent and percent-B, window high/low and distance from each, over a chosen interval (15m|1h|4h|1d) and lookback.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
It advertises 14 ways to pay and only 13 of them are usable.- Price
- $0.02
- Network
- base
- Pay to
- 0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 154 ms
- Payment options
- 13 usable of 14
- Last checked
- 2026-08-15T14:32:03.185Z (1h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fcryptopulse.theaslangroupllc.com%2Fapi%2Fvolatility-check"