{"uid":"cap_cwwaS1J-krLlEYvRdj913","slug":"mint-intel-base-chain-gas-oracle-f0e2c680","name":"Mint Intel: Base Chain Gas Oracle","description":"Base gas oracle - current and next-block base fee, priority-fee percentiles (p10/p50/p90 over the last 20 blocks via eth_feeHistory), slow/standard/fast maxFeePerGas suggestions, legacy eth_gasPrice, the L1 base fee and the cost of an ETH transfer, ERC-20 transfer and DEX swap in ETH and USD.","url":"https://mintintel.35-171-220-195.sslip.io/v1/base/gas?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"],"type":"string"},"queryParams":{"type":"object","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["baseFeeGwei","priorityFeeGwei","suggested"],"properties":{"suggested":{"type":"object"},"baseFeeGwei":{"type":"string"},"priorityFeeGwei":{"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_pabcbGiU_ZM_XEheGMySb","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 and next-block base fee, priority-fee percentiles, slow/standard/fast fee suggestions, legacy gas price, L1 base fee, and ETH/USD-denominated transaction cost estimates for the Base network.","exampleAgentPrompt":"What are the current gas fees on Base right now — give me the base fee, priority fee percentiles, and the slow/standard/fast maxFeePerGas suggestions, plus what an ETH transfer and a DEX swap would cost in USD?","exampleUseCases":[{"title":"Pre-trade gas cost check for DeFi bot","prompt":"Before I execute this DEX swap on Base, what's the current fast-lane maxFeePerGas and how much will the swap cost in USD at today's gas prices?"},{"title":"Gas spike monitoring for wallet app","prompt":"Is the Base network congested right now? Show me the current base fee, the p90 priority fee from the last 20 blocks, and what a standard ERC-20 transfer costs in ETH and USD."},{"title":"Transaction fee UX display for dApp","prompt":"I need to show users an estimated gas fee for sending ETH on Base — can you get me the next-block base fee, a standard priority fee suggestion, and the total cost in both ETH and USD?"}],"resultDescription":"Returns a JSON object containing: current and next-block base fee in Gwei, priority fee percentiles (p10, p50, p90) derived from the last 20 blocks via eth_feeHistory, slow/standard/fast maxFeePerGas recommendations, legacy eth_gasPrice, the L1 base fee, and the estimated cost of an ETH transfer, ERC-20 transfer, and DEX swap each expressed in both ETH and USD.","failureModes":["Base RPC node unavailable — upstream JSON-RPC error returned","eth_feeHistory data insufficient if chain is very new or has few blocks","USD cost estimates may be stale if Chainlink price feed has not updated recently","Payment not included or incorrect — x402 payment required error","Network timeout if Base node is slow to respond"],"whenToPreferThis":"Use this endpoint when you need comprehensive, real-time Base network gas data in a single call — especially when you need both fee suggestions (slow/standard/fast maxFeePerGas) and human-readable USD cost estimates for common transaction types (ETH transfer, ERC-20 transfer, DEX swap). Prefer this over querying eth_gasPrice alone when you need priority-fee percentiles or L1 fee component visibility specific to Base as an L2.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:14.153Z","isFirstParty":false,"canonicalSlug":"mint-intel-base-chain-gas-oracle-f0e2c680"}