{"uid":"cap_l3cMzjBEDHIpVkE5cb5QL","slug":"fiatdock-marketplace-multi-chain-gas-tracker-9a761ead","name":"FiatDock Marketplace: Multi-Chain Gas Tracker","description":"Pay-per-call: Multi-Chain Gas Tracker","url":"https://fiatdock.com/s/svc_c815b4e9-36bd-4cdc-8eee-1be968cde5c2?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"method":{"type":"string","description":"e.g. tools/call"},"params":{"type":"object","description":"the seller's own tool name + arguments. The example body above is EMPTY on purpose: this listing's required arguments are not published here, and a call missing one can come back as an argument error, which is settled as your call. Read the callable shape of every tool on this seller's server free at GET https://fiatdock.com/v1/marketplace/services/svc_c815b4e9-36bd-4cdc-8eee-1be968cde5c2?include=schemas"},"jsonrpc":{"type":"string","description":"\"2.0\" — the body is forwarded VERBATIM to the seller's MCP endpoint, so send whatever that server expects"}}},"responseSchema":null,"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_VUf5JD5fDUyj_IzqtG4FM","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 real-time gas price data across multiple blockchain networks, billed per call at $0.001 USDC via x402 protocol","exampleAgentPrompt":"What are the current gas prices on Ethereum, Polygon, and Base right now? I want to pick the cheapest network before sending my transaction.","exampleUseCases":[{"title":"Cheapest chain for DeFi trade","prompt":"Before I execute this swap, check the current gas fees on Ethereum, Arbitrum, and Optimism so I can pick the cheapest network to route through."},{"title":"Gas spike alert for NFT mint","prompt":"What's the current gas price on Ethereum mainnet? I'm about to mint an NFT and want to know if fees are reasonable or if I should wait."},{"title":"Multi-chain cost comparison dashboard","prompt":"Pull the latest gas prices across all available chains — I'm building a dashboard and need current gwei estimates for Ethereum, Polygon, Base, and Avalanche."}],"resultDescription":"Returns real-time gas price data for one or more blockchain networks, including current gas prices (e.g. in gwei), estimated transaction costs, and network identifiers — delivered as a JSON-RPC 2.0 response forwarded from the underlying MCP tool.","failureModes":["Unsupported chain returns an error or empty result","Malformed JSON-RPC body causes a parse error or 400 response","Network congestion or upstream provider outage returns a timeout or 503","Missing or invalid x402 payment header results in a 402 Payment Required response","Incorrect tool name in params causes a method-not-found error"],"whenToPreferThis":"Choose this endpoint when you need live, per-call gas price data across multiple blockchain networks without committing to a subscription. It is ideal for AI agents that need occasional gas checks billed at $0.001 USDC per call via the x402 protocol, and for workflows that span multiple chains and need a single unified interface via MCP JSON-RPC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T18:51:24.684Z","isFirstParty":false,"canonicalSlug":"fiatdock-marketplace-multi-chain-gas-tracker-9a761ead"}