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agent402.tools api perp-basis
https://agent402.tools/api/perp-basis
answers 402
Basis for one perpetual: mark versus oracle premium in percent and basis points, impact premium, current funding and the predicted next funding per venue. Use it when an agent is evaluating a cash-and-carry, comparing funding across venues or deciding whether a perp is trading rich or cheap to spot.
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
- 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 119 ms
- Payment options
- 13 usable of 13
- Last checked
- 2026-09-06T01:16:45.059Z (2h ago)
- Category
- mcp-server
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fperp-basis"