{"uid":"cap_4cCjAD58QaDNEQ8gi4EZP","slug":"x402node-gas-oracle-0846427d","name":"x402node Gas Oracle","description":"Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact Accepts payment on Base or Solana — either network works.","url":"https://api.x402node.dev/chain/gas-oracle?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":{"chain":{"type":"string","description":"base (default), eth, arbitrum, optimism, polygon, bsc"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lmrYQWjBETqckW5MnILb-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current base fee plus slow, standard, and fast priority fee tiers and the cost of a standard ETH transfer, so agents can choose the right gas price before submitting a transaction.","exampleAgentPrompt":"What are the current slow, standard, and fast gas fee tiers on this chain right now, including the base fee and the cost of a standard transfer, so I can decide which gas price to use before submitting my transaction?","exampleUseCases":null,"resultDescription":"Returns the current base fee per gas, recommended priority fees for slow, standard, and fast confirmation tiers derived from recent block fee history, and the total gas cost of a standard ETH transfer — giving agents everything needed to set an appropriate gas price.","failureModes":["Chain not supported or unrecognized chain identifier — returns 4xx error","Upstream node unavailable or rate-limited — returns 5xx error","Payment header missing or insufficient — returns 402 Payment Required","Stale block data if the underlying RPC is lagging — may return outdated fee estimates"],"whenToPreferThis":"Use this endpoint when an agent needs to determine optimal gas fees before submitting an EVM transaction — especially when fee sensitivity matters (cost optimization vs. speed). Prefer this over static gas estimates or hardcoded values when network conditions are volatile. It is well-suited for DeFi agents, payment automation, and any workflow that needs to decide between slow/standard/fast confirmation tiers in real time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:55:11.484Z","isFirstParty":false,"canonicalSlug":"x402node-gas-oracle-0846427d"}