{"uid":"cap_AvYaRlSlVFMqz8Cz2bDki","slug":"ethereum-gas-price-oracle-fb0bd0a0","name":"Ethereum Gas Price Oracle","description":"Ethereum gas price oracle. Returns the current Ethereum gas price as an EIP-1559 base fee plus priority-fee estimates across five confidence tiers, all in gwei, so an agent can price a transaction before it signs one. Ethereum mainnet only. Keyless, via Blocknative.","url":"https://api.kadec0.xyz/v1/gas-oracle","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","required":[],"properties":{}}},"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_JjR5-zHGiunuH05OBdbXs","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":"Returns current Ethereum base fee and EIP-1559 priority-fee estimates (slow, standard, fast) in gwei","exampleAgentPrompt":"What are the current Ethereum gas fees? I need the base fee and the slow, standard, and fast priority fee estimates in gwei so I can decide how to price my transaction.","exampleUseCases":null,"resultDescription":"Returns current Ethereum network base fee and EIP-1559 priority-fee (maxPriorityFeePerGas) estimates for slow, standard, and fast confirmation speeds, all expressed in gwei.","failureModes":["Upstream node or gas oracle data source unavailable — returns 5xx error","Payment not processed or invalid x402 payment header — returns 402 Payment Required","Rate limit exceeded — returns 429 Too Many Requests","Network connectivity issues to Ethereum node — stale or missing data"],"whenToPreferThis":"Use this endpoint when you need real-time Ethereum gas price data with EIP-1559 tiered estimates (slow/standard/fast) and are willing to pay per call via x402 micropayment. Prefer this over free public endpoints if you need reliable uptime and structured gwei output without managing your own node.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:40:17.269Z","isFirstParty":false}