{"uid":"cap_-XfxJYs9NYaDL4OTLLI8Z","slug":"agentfeeds-jp-base-settlement-gas-cost-estimator-6e81c3d2","name":"agentfeeds.jp — Base Settlement Gas Cost Estimator","description":"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.","url":"https://api.agentfeeds.jp/v1/x402/gas/settlement_cost","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"gas_units":{"type":"integer","description":"1000-2000000, default 65000"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xJFQ7ofZrxSmcnaNY5QNX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the estimated base execution-gas cost in USD and ETH for a settlement transaction (e.g. ERC-3009 transferWithAuthorization) on the Base network, computed from live base-fee and ETH/USD observations.","exampleAgentPrompt":"What's the current estimated USD cost of a Base settlement transaction — assume a standard 65000 gas units for an ERC-3009 transferWithAuthorization — so I can decide if this micropayment is worth executing?","exampleUseCases":null,"resultDescription":"Returns descriptive statistics about the estimated execution gas cost for a Base settlement transaction: the USD and ETH amounts, the current base fee used, the ETH/USD rate observed, and the gas unit count. Excludes priority fee and L1 data fee, so the result is a lower-bound estimate useful for micropayment break-even analysis.","failureModes":["Invalid gas_units value outside 1000–2000000 range returns a 400 error","Base fee or ETH/USD data temporarily unavailable returns a 503 or stale-data error","Payment not received or invalid x402 payment header returns a 402 error"],"whenToPreferThis":"Use this endpoint when you need a quick, live lower-bound estimate of the execution gas cost for a Base settlement transaction in USD or ETH — especially for x402/ERC-3009 micropayment break-even decisions. Prefer this over on-chain RPC calls when you need both the ETH gas cost and its USD equivalent in a single call without managing price feeds yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:53:16.118Z","isFirstParty":false}