{"uid":"cap_awcJq4BR7Nws7KqBq_q83","slug":"aether-base-gas-price-lookup-c42df100","name":"Aether Base Gas Price Lookup","description":"Pay-per-call Base onchain data, token risk verdicts and x402 payability audits over x402 (USDC on Base).","url":"https://aether-x402.vercel.app/v1/base/gas?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":[],"properties":{},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"maxFeeGwei":"0.011","baseFeeGwei":"0.005","maxPriorityFeeGwei":"0.001"}},"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":"$0.001/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_3NfqA8SHDNRew77XJFfMo","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 current Base network gas fee estimates including base fee, max fee, and priority fee in Gwei.","exampleAgentPrompt":"What are the current gas fees on Base — give me the base fee, max fee, and priority fee in Gwei so I can decide whether to submit my transaction now.","exampleUseCases":[{"title":"Pre-transaction gas check","prompt":"Before I send this USDC transfer on Base, can you check what the current gas fees look like — I want to know the base fee and max fee so I'm not overpaying?"},{"title":"DeFi bot cost optimization","prompt":"I'm running an arbitrage bot on Base — pull the current gas oracle data so I can figure out if the priority fee right now makes my trade profitable."},{"title":"Gas spike monitoring","prompt":"Check the Base network gas fees right now and tell me if the base fee is above 0.01 Gwei, because I'm waiting for a cheap window to batch my transactions."}],"resultDescription":"Returns a JSON object with three fields: baseFeeGwei (current base fee per gas in Gwei), maxFeeGwei (recommended max fee per gas in Gwei), and maxPriorityFeeGwei (recommended miner/validator tip in Gwei). These correspond to EIP-1559 gas parameters for the Base L2 network.","failureModes":["Payment not received or insufficient USDC balance via x402 — returns 402 Payment Required","Base RPC node unavailable — may return 503 or timeout","Malformed request body — returns 400 Bad Request","Rate limiting or quota exceeded — returns 429"],"whenToPreferThis":"Choose this endpoint when you need real-time EIP-1559 gas fee estimates specifically for the Base L2 network and are comfortable paying micro-fees via x402 (USDC on Base). Prefer this over free gas APIs when you need reliable, pay-per-call access without API key management, or when already operating within the x402 payment ecosystem on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:43:12.099Z","isFirstParty":false,"canonicalSlug":"aether-base-gas-price-lookup-c42df100"}