the402 endpoint detail

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crypto.apitoll.cloud crypto perps

https://crypto.apitoll.cloud/v1/crypto/perps

payable

Perpetual-futures market data from Hyperliquid for any coin (BTC, ETH, SOL, HYPE…): mark price, hourly funding rate and its annualized APR, open interest in coin and USD, 24-hour notional volume, 24h price change, and max leverage, across 200+ perp markets. Sort by volume, open interest, or funding. Track the perp market the way trading agents do. Sourced from Hyperliquid.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0x3dA40A9aD36640a2C0F533BAC368490095574664
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
579 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:08:34.769Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fcrypto.apitoll.cloud%2Fv1%2Fcrypto%2Fperps"