the402 endpoint detail

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bykaranteli.com x402 dvol-history

https://bykaranteli.com/api/x402/dvol-history

payable

Daily implied volatility index history for BTC and ETH going back to 2021, the crypto equivalent of a VIX series.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
2000 atomic
Network
solana
Pay to
4JgPtoBWkQyG3QffVJC3bfgk7SCQrz9bx2SAEUTSVqzK
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
375 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:11:49.005Z (1d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fbykaranteli.com%2Fapi%2Fx402%2Fdvol-history"