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api.delx.ai x402 base-gas-budget-check
https://api.delx.ai/api/v1/x402/base-gas-budget-check
answers 402
Check a caller-supplied Base gas price and gas limit against an ETH transaction budget with exact Wei arithmetic. Use immediately after get_base_gas or get_base_estimate_gas to fail closed before signing. Returns estimated fee, budget headroom, and an optional USD estimate for 0.001 USDC via x402 on Base; no live RPC or custody.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 163 ms
- Payment options
- 3 usable of 3
- Last checked
- 2026-08-15T14:29:29.101Z (1h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Fbase-gas-budget-check"