{"uid":"cap_z7H4VR7SDiHtmbmCDSevg","slug":"synapse-gas-price-api-b5d5b96b","name":"Synapse Gas Price API","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/gas-price?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"gas_gwei":15}},"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_1SiZra2FE8pcDx1ltNP11","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 the current Ethereum/Base network gas price in Gwei, paid per call via x402 micropayment in USDC","exampleAgentPrompt":"What's the current gas price on the Base network right now in Gwei? I want to know if it's a good time to send a transaction.","exampleUseCases":[{"title":"Pre-transaction gas check","prompt":"Before I submit this on-chain transaction, can you check what the current gas price is in Gwei so I can estimate the fee?"},{"title":"Gas price monitoring for DeFi bot","prompt":"My trading bot needs to know the current Base network gas price before deciding whether to execute a swap — can you fetch that now?"},{"title":"Wallet dashboard gas display","prompt":"Show me the current gas price in Gwei so I can display it on my wallet dashboard for users about to send a transfer."}],"resultDescription":"Returns a JSON object with the current network gas price expressed in Gwei (e.g. {\"gas_gwei\": 15}), reflecting live on-chain fee conditions on the Base/Ethereum network.","failureModes":["Network or RPC node unavailability may return an error or stale value","x402 payment failure (insufficient USDC balance or misconfigured payment header) results in a 402 response before data is returned","Dynamic DNS hostname (duckdns.org) may be temporarily unreachable if the host machine is offline"],"whenToPreferThis":"Choose this endpoint when you need a quick, no-account, no-API-key gas price lookup paid for with a tiny USDC micropayment via x402. Ideal for agents that need on-demand gas price data without committing to a subscription service. Best for Base/Ethereum ecosystem checks prior to transaction submission.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:01.412Z","isFirstParty":false,"canonicalSlug":"synapse-gas-price-api-b5d5b96b"}