{"uid":"cap_OtmiDPdJ4GFso3VJhPpbG","slug":"base-l2-gas-fee-estimator-for-x402-vs-standard-token-operations-dc3935a0","name":"Base L2 Gas Fee Estimator for x402 vs Standard Token Operations","description":"Estimate Base L2 gas costs in ETH and USD for common token operations vs zero-gas facilitator-settled x402 EIP-3009 transfers.","url":"https://bot-bazaar.fly.dev/v1/x402/gas-fee-estimator?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"operation":{"type":"string","description":"Operation type (eip3009_facilitator, erc20_transfer, eip3009_direct, uniswap_swap)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wddxrqDDBpfLkSmOhIS5_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates Base L2 gas costs in ETH and USD for common token operations, comparing standard ERC-20 transfers and direct EIP-3009 against zero-gas facilitator-settled x402 EIP-3009 transfers.","exampleAgentPrompt":"What's the estimated gas cost in ETH and USD for an erc20_transfer versus an eip3009_facilitator transfer on Base L2, so I can see how much the x402 zero-gas model actually saves?","exampleUseCases":[{"title":"Compare x402 vs ERC-20 transfer gas costs","prompt":"Show me a gas cost comparison between a standard erc20_transfer and an eip3009_facilitator-settled x402 transfer on Base — I want to see the ETH and USD difference."},{"title":"Estimate Uniswap swap fees on Base","prompt":"How much gas in ETH and USD should I expect to pay for a uniswap_swap on Base L2 right now?"},{"title":"Evaluate EIP-3009 direct transfer cost","prompt":"What's the estimated gas fee in ETH and USD for an eip3009_direct transfer on Base so I can budget micropayment costs for my app?"}],"resultDescription":"Returns estimated gas costs in both ETH and USD for the requested operation type on Base L2, with comparative data across operation types (eip3009_facilitator, erc20_transfer, eip3009_direct, uniswap_swap) to highlight the cost savings of x402 facilitator-settled transfers.","failureModes":["Invalid operation type parameter returns an error or empty result","Gas price oracle unavailability may cause stale or missing USD estimates","Network congestion on Base may cause estimates to lag real-time prices","Missing required 'operation' query parameter may return a default or error response"],"whenToPreferThis":"Use this endpoint when you need to compare gas costs between x402 facilitator-settled EIP-3009 transfers and standard on-chain token operations on Base L2. Ideal for agents making payment routing decisions, developers benchmarking x402 payment overhead, or anyone needing real-time ETH/USD gas estimates for Base token operations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:07:25.246Z","isFirstParty":false,"canonicalSlug":"base-l2-gas-fee-estimator-for-x402-vs-standard-token-operations-dc3935a0"}