← All endpoints
x402.presenceoperations.com services execution-cost
https://x402.presenceoperations.com/services/execution-cost
answers 402
What it would cost to execute a given notional in a given market right now: size-weighted fill price, slippage from the touch in basis points, and whether the visible book can absorb the size at all.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.0048
- Network
- base
- Pay to
- 0x51edd63F074EaB0b1AB94c7BCf8b1e3aD43F1D2f
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 496 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:22:50.029Z (23d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.presenceoperations.com%2Fservices%2Fexecution-cost"