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x402stock.vercel.app v1 perps
https://x402stock.vercel.app/api/v1/perps
answers 402
Live state of every perpetual-futures market in one call: per coin the mark and oracle price, hourly funding rate with annualized APR, premium, open interest, max leverage, previous-day price, and 24h USD and base volume. Native crypto-derivatives data — funding and open interest are perp-only, absent from any spot feed. Free on-chain DEX data (venue: Hyperliquid), no key. From x402stock
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 323 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:34:38.643Z (2d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402stock.vercel.app%2Fapi%2Fv1%2Fperps"