{"uid":"cap_mgqoKLFq_yCnU86bKo3WQ","slug":"47620-multichain-gas-price-api-2250bb12","name":"47620 Multichain Gas Price API","description":"Non-custodial x402 payment gateway on Solana (1% on-chain fee) plus a pay-per-call Solana data API for agents: token price, account balances, tx lookup, trending DEX pairs, network health. No signup, no API key — pay USDC per call.","url":"https://47620.xyz/x/gas/:chain?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"data":{"fetchedAt":"<iso>"},"endpoint":"gas-multichain"}},"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_CZT9AgZsaD4HEJqkzPnPz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current gas price and network fee data for a specified blockchain chain via a pay-per-call endpoint secured by x402 USDC micropayment.","exampleAgentPrompt":"What are the current gas fees on Solana right now? I want to know if it's cheap enough to send a transaction before I proceed.","exampleUseCases":[{"title":"Pre-transaction gas check","prompt":"Before I submit this Solana transaction, can you quickly check what the current gas fees are so I know if now is a good time to send?"},{"title":"Multichain fee comparison","prompt":"Check the gas prices on both Solana and Polygon for me — I want to pick whichever chain is cheaper to use right now for my transfer."},{"title":"Gas spike monitoring for DeFi bot","prompt":"Pull the current gas price for Solana and tell me if it's above 0.001 SOL per transaction — my agent needs to pause trading if fees spike too high."}],"resultDescription":"Returns a JSON object with ok:true, a data object containing fetchedAt (ISO timestamp) and gas fee data for the requested chain, plus an endpoint identifier string confirming 'gas-multichain'. Useful for pre-flight fee estimation before executing on-chain actions.","failureModes":["Missing or invalid chain parameter returns an error response","Payment not included or insufficient USDC triggers HTTP 402 requiring x402 payment","Unsupported chain identifier may return empty data or an error","Upstream RPC node outage may cause stale or unavailable gas data","Network congestion may introduce slight data lag"],"whenToPreferThis":"Choose this endpoint when your agent needs a lightweight, no-signup, no-API-key gas price check paid per-call in USDC via x402. Ideal for agents that already operate in the x402 micropayment ecosystem on Solana or Polygon and need real-time fee data before executing transactions, without committing to a subscription-based gas oracle service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:55:45.069Z","isFirstParty":false,"canonicalSlug":"47620-multichain-gas-price-api-2250bb12"}