{"uid":"cap_E55Mi5ufUiVP0R65XFIw9","slug":"polygon-pos-gas-conditions-53331019","name":"Polygon PoS Gas Conditions","description":"Current Polygon PoS gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in POL and USD of a native transfer and an ERC-20 transfer (Chainlink POL/USD).","url":"https://onchaincheck.dev/polygon/gas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"polygon","blockTime":"2026-10-22T15:50:44.000Z","nativeUsd":0.0905823,"baseFeeGwei":"248.763643361","blockNumber":95985915,"gasPriceGwei":"276.772562084","nativeSymbol":"POL","estimatedCost":{"erc20Transfer":{"usd":0.00163,"native":"0.01799021653546"},"nativeTransfer":{"usd":0.0005265,"native":"0.005812223803764"}},"maxPriorityFeeGwei":"28.008918723"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cw_sozXmHWDXpLxthq0Wh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current Polygon PoS gas metrics (block number, base fee, gas price, priority fee in gwei) plus estimated POL and USD costs for native and ERC-20 transfers using Chainlink POL/USD pricing.","exampleAgentPrompt":"What are the current gas conditions on Polygon PoS — give me the base fee, gas price, priority fee, and how much a native POL transfer and an ERC-20 transfer would cost right now in both POL and USD?","exampleUseCases":[{"title":"Pre-transaction gas cost check","prompt":"Before I send some USDC on Polygon, what's the current gas price and how much will the ERC-20 transfer cost me in USD right now?"},{"title":"Gas timing for DeFi bot","prompt":"Check the current Polygon PoS base fee and gas price in gwei — I want to know if conditions are cheap enough to trigger my swap bot."},{"title":"Portfolio app gas display","prompt":"Pull the latest Polygon gas stats including block number, gwei fees, and the USD cost of a native POL transfer so I can display them in my wallet dashboard."}],"resultDescription":"A JSON object containing the chain identifier, current block number, block timestamp, POL/USD price, base fee in gwei, gas price in gwei, max priority fee in gwei, estimated cost of a native POL transfer in both POL and USD, and estimated cost of an ERC-20 transfer in both POL and USD.","failureModes":["Chainlink POL/USD feed unavailable — USD cost estimates may be missing or stale","Polygon RPC node temporarily unavailable — returns 5xx or empty response","Data may lag by a few seconds relative to the very latest block"],"whenToPreferThis":"Use this endpoint when you need real-time Polygon PoS gas conditions specifically, including both raw gwei values and USD-denominated cost estimates for common transfer types. Prefer it over generic gas trackers when you need Chainlink-priced POL/USD conversion baked in alongside block-level gas data in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:38:17.840Z","isFirstParty":false,"canonicalSlug":"polygon-pos-gas-conditions-53331019"}