{"uid":"cap_QPX7dpphY_6hAyy2tAum5","slug":"speraxos-gas-tracker-api-63ebaf1f","name":"SperaxOS Gas Tracker API","description":"AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.","url":"https://chat.sperax.io/api/x402/intel/gas-tracker?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"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_hdaBvMPVAXcec6kypHmlY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time gas price estimates and network fee intelligence for blockchain transactions, payable via x402 micropayment.","exampleAgentPrompt":"What are the current gas fees on Base right now — is it cheap enough to submit a DeFi swap, and what's the recommended priority fee for a fast confirmation?","exampleUseCases":[{"title":"Pre-swap gas check for DeFi agent","prompt":"Before I execute this token swap on Base, check the current gas prices and tell me if fees are low enough to proceed or if I should wait."},{"title":"Gas cost monitoring for automated transactions","prompt":"Keep an eye on Base gas fees and let me know when the network cost drops below a reasonable threshold so I can time my DeFi transaction optimally."},{"title":"Budget gas estimation for batch operations","prompt":"I need to estimate how much gas I'll spend submitting several on-chain transactions today — what are the current slow, standard, and fast gas price tiers on Base?"}],"resultDescription":"Returns current gas price tiers (slow, standard, fast) including base fee and priority fee estimates in gwei, along with network congestion indicators, enabling agents to make cost-aware decisions about when and how to submit blockchain transactions.","failureModes":["Payment not included or insufficient USDC causes 402 Payment Required response","Upstream gas oracle unavailable returns 503 or empty data","Malformed request headers result in 400 Bad Request","Network-specific data unavailable if querying unsupported chain","Stale data if gas oracle feed is delayed"],"whenToPreferThis":"Choose this endpoint when you need real-time, AI-contextualized gas fee intelligence payable per-request without API key setup, especially in DeFi agent workflows on Base where cost optimization matters and you want to avoid overpaying for transactions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:24.445Z","isFirstParty":false,"canonicalSlug":"speraxos-gas-tracker-api-63ebaf1f"}