{"uid":"cap_chmf5svUNWziEArbRN_Sn","slug":"agent-hub-live-gas-prices-77ffff49","name":"Agent Hub Live Gas Prices","description":"Live gas prices on Ethereum, Base, Arbitrum, Optimism and Polygon: gas price, next base fee, slow/normal/fast priority tips, and USD cost of a simple transfer.","url":"https://agents.torbrooknews.com/v1/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":{"chains":{"type":"string","description":"Comma list; default all five"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Bp0HqagI5hDxfytZuoX1b","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live gas prices (base fee, priority tips, USD transfer cost) for Ethereum, Base, Arbitrum, Optimism, and Polygon.","exampleAgentPrompt":"What are the current slow, normal, and fast gas prices on Ethereum and Base right now, including how much a simple transfer would cost in USD?","exampleUseCases":[{"title":"Pre-transaction gas cost check","prompt":"Before I send this ETH transfer, can you tell me the current gas prices on Ethereum — slow, normal, and fast — and how much it'll cost me in USD?"},{"title":"L2 gas comparison for cost optimization","prompt":"I want to pick the cheapest chain for my transaction right now — can you pull the current gas prices for Arbitrum, Optimism, and Base and tell me which one has the lowest fees?"},{"title":"Real-time gas monitoring for DeFi bot","prompt":"Check live gas prices across all supported chains — Ethereum, Base, Arbitrum, Optimism, and Polygon — and give me the next base fee and priority tips for each."}],"resultDescription":"Returns a structured response per chain including current gas price, next estimated base fee, and slow/normal/fast priority fee tips, plus the USD cost of executing a standard ETH transfer on that chain.","failureModes":["Invalid chain name in 'chains' parameter returns an error or empty result for that chain","Network latency or upstream RPC outage may cause stale or missing data for one or more chains","Malformed query parameter (e.g. extra spaces or unsupported chain) may be silently ignored or return an error","Payment failure (x402) prevents the response from being returned"],"whenToPreferThis":"Use this endpoint when you need real-time, multi-chain gas data across the five most popular EVM networks in a single call. Prefer it over on-chain RPC calls when you want USD cost estimates and normalized slow/normal/fast tip tiers without writing custom gas oracle logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:45:27.883Z","isFirstParty":false,"canonicalSlug":"agent-hub-live-gas-prices-77ffff49"}