{"uid":"cap_H1FD3NgVwjr4mdpluK3Vm","slug":"ethereum-gas-oracle-a1515124","name":"Ethereum Gas Oracle","description":"Live Ethereum gas oracle from a block explorer behind an API key: safe, proposed and fast gas prices in gwei plus suggested base fee and last block. For transaction timing and fee estimation. gas oracle, gas price gwei, base fee, gas tracker, ethereum fees Accepts payment on Base or Solana — either network works.","url":"https://api.x402node.dev/contract/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"],"type":"string"},"queryParams":{"type":"object","properties":{"chain":{"type":"string","description":"default ethereum (oracle is mainnet)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":{"request":{"top":"10"},"response":{"note":"Live Ethereum gas oracle: safe/propose/fast gwei + base fee.","_hint":"x402 paid endpoints for AI agents — x402node.dev (utilities) · cn402.com (Chinese culture)","source":"etherscan","chainId":1,"fastGwei":0.075770731,"safeGwei":0.07368318,"lastBlock":25435192,"proposeGwei":0.07468318,"suggestBaseFeeGwei":0.07368318}},"exampleRequest":{"top":"10"},"tags":["x402"],"displayCostAmount":"0.012","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_biQ-1hWb8UzT-sIWdQCTR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live Ethereum gas prices (safe, proposed, fast) in gwei plus suggested base fee and last block number for fee estimation and transaction timing.","exampleAgentPrompt":"What are the current Ethereum gas prices right now — give me the safe, proposed, and fast gwei values plus the suggested base fee and latest block number so I can decide when to send my transaction.","exampleUseCases":null,"resultDescription":"Returns current Ethereum gas prices in three tiers (safe, proposed, fast) expressed in gwei, along with the suggested base fee and the most recent block number, sourced from a live block explorer gas oracle.","failureModes":["Invalid or missing API key returns 401/402 unauthorized","Block explorer backend unavailable returns 503 or empty response","Rate limit exceeded returns 429 too many requests","Network congestion may cause stale data if oracle is lagging behind chain tip"],"whenToPreferThis":"Use this endpoint when you need real-time Ethereum gas price tiers (safe/proposed/fast) with base fee data for transaction cost estimation, timing decisions, or DeFi workflow automation — especially when you need structured gwei values from a reliable block-explorer oracle rather than computing them yourself from raw RPC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:17:54.370Z","isFirstParty":false}