{"uid":"cap_1rODxo-YCSdWmqDcWSmVP","slug":"agentrxi-gas-prices-f0c7f2f1","name":"AgentRXI 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://agentrxi.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_swpqf9Zbais098zQpXCl8","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 (slow/normal/fast tips, next base fee, USD transfer cost) for Ethereum, Base, Arbitrum, Optimism, and Polygon.","exampleAgentPrompt":"What are the current gas prices on Ethereum and Arbitrum — give me the slow, normal, and fast priority tips and the USD cost of a simple transfer?","exampleUseCases":[{"title":"Choose cheapest chain for transaction","prompt":"Compare live gas prices across all five chains — Ethereum, Base, Arbitrum, Optimism, and Polygon — and tell me which one is cheapest for a simple token transfer right now."},{"title":"DeFi timing decision","prompt":"What's the current gas price on Ethereum and what would a fast-priority transaction cost in USD? I want to know if now is a good time to execute a swap."},{"title":"Monitor Polygon gas before batch mint","prompt":"Check the current gas price on Polygon and give me the slow, normal, and fast tip estimates along with the USD cost of a transfer before I kick off my NFT batch mint."}],"resultDescription":"A JSON object per requested chain containing the current gas price, predicted next base fee, slow/normal/fast priority fee tips in gwei, and the estimated USD cost of a simple ETH transfer at each speed tier.","failureModes":["Invalid chain name in comma-separated list returns an error or omits the chain","Network congestion or upstream RPC outage may result in stale or missing data","Malformed query parameter format returns a validation error","Unsupported chain name silently ignored or returns empty result"],"whenToPreferThis":"Use this endpoint when an agent needs real-time, multi-chain gas fee data across the five major EVM networks (Ethereum, Base, Arbitrum, Optimism, Polygon) in a single call, including USD-denominated cost estimates. Prefer it over on-chain RPC calls when you need normalized, human-readable fee tiers without parsing raw gwei values yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T06:39:11.107Z","isFirstParty":false,"canonicalSlug":"agentrxi-gas-prices-f0c7f2f1"}