{"uid":"cap_8_g6maczefveWP7CWxF6l","slug":"verifyoracle-base-gas-price-dc1f390d","name":"VerifyOracle Base Gas Price","description":"Live Base Mainnet (chainId 8453) gas price, EIP-1559 base fee in gwei, and block number directly from Base Mainnet RPC.","url":"https://verify-oracle.run402.com/api/base-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":{"chain":{"type":"string","description":"Target chain (default base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chain":"base","price":0.0012,"value":0.0012,"source":"base-mainnet-rpc","chainId":8453,"network":"base-mainnet","timestamp":"2026-10-21T18:00:00.000Z","baseFeeGwei":0.0012,"blockNumber":52908000,"blockTimestamp":1761069000,"priorityFeeGwei":0.0003,"baseFeePerGasWei":"1200000","baseFeePerGasGwei":0.0012}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_O7mywkfT7a-A5LD18v1VW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live EIP-1559 gas price data (base fee, priority fee, block number) from Base Mainnet (chainId 8453) via direct RPC.","exampleAgentPrompt":"What's the current gas price on Base Mainnet right now — give me the base fee and priority fee in gwei and the latest block number.","exampleUseCases":[{"title":"Transaction cost estimation before sending","prompt":"Before I submit this transaction on Base, can you check the current base fee and priority fee in gwei so I can estimate how much it'll cost?"},{"title":"Monitor Base gas for optimal timing","prompt":"Is Base gas cheap right now? Give me the live EIP-1559 base fee in gwei so I can decide whether to wait before sending my transaction."},{"title":"On-chain block height verification","prompt":"What's the latest block number on Base Mainnet and what's the current base fee — I need to confirm the chain is live and synced."}],"resultDescription":"Returns a JSON object with: chain name, chainId (8453), network label ('base-mainnet'), timestamp, baseFeeGwei, priorityFeeGwei, baseFeePerGasWei, baseFeePerGasGwei, blockNumber, blockTimestamp, price/value (cost of the API call in USDC), and source identifier ('base-mainnet-rpc').","failureModes":["RPC node unavailability may cause 503 or delayed response","Invalid chain query parameter returns error or defaults to base","Stale data if RPC node is behind the chain tip","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need live, real-time EIP-1559 gas data directly from Base Mainnet RPC — specifically base fee, priority fee, and current block number. Prefer this over generic gas APIs when you need Base-specific data (chainId 8453) rather than Ethereum mainnet, and when you need both gwei and wei representations in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:40:40.392Z","isFirstParty":false,"canonicalSlug":"verifyoracle-base-gas-price-dc1f390d"}