{"uid":"cap_1msxEb7Zm0Bt45fyNnUIM","slug":"base-mainnet-gas-price-oracle-9862043a","name":"Base Mainnet Gas Price Oracle","description":"Current Base mainnet gas: latest block, base fee and priority fee in gwei, a suggested max fee, and the ETH cost of a typical USDC transfer. Input: any text, e.g. 'base'. Deterministic, no LLM.","url":"https://minty-sprout.onrender.com/v1/base-gas?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","maxLength":8000,"description":"Any text, e.g. \"base\" (the call takes no real input)"}}},"responseSchema":{"type":"json","example":{"block":53341001,"network":"eip155:8453","timestamp":1793471349,"base_fee_gwei":0.005,"priority_fee_gwei":0.001,"suggested_max_fee_gwei":0.011,"usdc_transfer_cost_eth":3.9e-7}},"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_8_OiCs7O5jM4H3PlKfP5G","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 current Base mainnet gas metrics: latest block, base fee, priority fee, suggested max fee in gwei, and the ETH cost of a typical USDC transfer.","exampleAgentPrompt":"What are the current gas fees on Base mainnet — I need the base fee, priority fee, suggested max fee in gwei, and how much a USDC transfer would cost in ETH right now?","exampleUseCases":[{"title":"Pre-transaction gas check for DeFi bot","prompt":"Before I submit this swap on Base, can you check the current gas fees — specifically the suggested max fee in gwei and the ETH cost of a USDC transfer so I can decide if it's worth it right now?"},{"title":"Gas cost monitoring for wallet dashboard","prompt":"Fetch the latest Base mainnet gas stats for me — I want the base fee, priority fee, and suggested max fee in gwei so I can display them live on my dashboard."},{"title":"Estimating transaction costs for a user","prompt":"A user wants to know how much ETH they'll spend on gas sending USDC on Base right now — can you get the current block's base fee and the estimated ETH cost of a USDC transfer?"}],"resultDescription":"A JSON object containing: the latest block number, network identifier (eip155:8453), Unix timestamp, base fee in gwei, priority fee in gwei, suggested max fee in gwei, and the ETH cost of a typical USDC transfer on Base mainnet.","failureModes":["Upstream RPC node unavailable — returns a 5xx error","Stale data if the render instance is cold-starting (possible latency spike)","No meaningful input validation failure since the input field is ignored"],"whenToPreferThis":"Choose this endpoint when you need a fast, deterministic, no-LLM lookup of current Base mainnet gas conditions, especially the EIP-1559 base fee, priority fee, suggested max fee, and the concrete ETH cost of a USDC transfer. It is simpler and cheaper than calling an RPC node directly and requires no Web3 credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-01T06:57:43.620Z","isFirstParty":false,"canonicalSlug":"base-mainnet-gas-price-oracle-9862043a"}