the402 endpoint detail

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api.agentfeeds.jp gas settlement_cost

https://api.agentfeeds.jp/v1/x402/gas/settlement_cost

payable

Estimated Base execution-gas cost of a settlement transaction (e.g. an ERC-3009 transferWithAuthorization), computed from our own current base-fee and ETH/USD observations. Execution gas only -- excludes priority fee and the Base L1 data fee, so treat this as a lower-bound estimate. Useful for micropayment break-even decisions. Descriptive statistics only; not investment advice.

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
0x67AC1E671E87b2c91847230748ed38a596013EA6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
413 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:13:17.326Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.agentfeeds.jp%2Fv1%2Fx402%2Fgas%2Fsettlement_cost"