{"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","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"},"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":"0.00001","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":"$0.00099/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00099","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00099","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VUf5JD5fDUyj_IzqtG4FM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.00099","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":"2026-09-15T06:38:20.494Z","isFirstParty":false}