{"uid":"cap_xgj_1zvms0s4y7QXp5hJn","slug":"ishob-gas-tracker-59edb137","name":"ISHOB Gas Tracker","description":"36 MCP tools & x402 pay-per-call APIs for AI agents: crypto risk, web extraction, screenshots, agent alarms, weather, company data. No API key.","url":"https://api.ishob.com/v1/crypto/gas-tracker?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"usd":{"type":"boolean","default":true,"description":"Include USD cost estimates"},"chains":{"type":"string","description":"Comma-separated subset of: ethereum, base, arbitrum, optimism, polygon, bsc, solana (default: all)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chains":[{"chain":"base","tiers":{"standard":{"cost":{"swap":{"usd":0.0027,"native":0.00000108}},"max_fee_gwei":0.011,"max_priority_fee_gwei":0.001}},"trend":"stable","congestion":"normal","base_fee_next_gwei":0.005}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0001","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":"$0.0001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SReBXxJ0GGZBfqx63LnBm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0001","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 fees, transaction cost estimates, and network health metrics for Ethereum, Base, Arbitrum, Optimism, Polygon, BNB Chain, and Solana.","exampleAgentPrompt":"What are the current gas fees on Ethereum and Base — give me slow, standard, and fast tiers with USD cost estimates for a swap and a simple transfer.","exampleUseCases":[{"title":"Pre-swap gas cost check","prompt":"Before I do this token swap on Arbitrum, can you check the current gas fees and tell me how much it would cost in USD at standard speed?"},{"title":"Cross-chain gas comparison for routing","prompt":"I need to pick the cheapest chain right now — compare gas fees for a standard ERC-20 transfer across Ethereum, Base, Optimism, and Arbitrum and tell me which is cheapest in USD."},{"title":"Solana network health monitoring","prompt":"Check the current state of the Solana network — what are the priority fee percentiles and TPS right now, and is there any congestion I should know about?"}],"resultDescription":"A JSON array of chain objects, each containing slow/standard/fast EIP-1559 fee tiers (base fee + priority tip in gwei, max fee in gwei), estimated costs for transfer/ERC-20 transfer/swap in both native token and USD, current congestion level, base-fee trend, block time, and latest-block age. For Solana, returns priority-fee percentiles and current TPS instead of EIP-1559 fields.","failureModes":["Invalid chain name in 'chains' parameter returns error or is silently ignored","Upstream RPC node outage may cause stale or missing data for specific chains","USD cost estimates unavailable if 'usd=false' is set or price feed is temporarily down","Rate limiting if too many requests are made in a short window","Network-specific data (e.g. Solana TPS) may be missing if that chain's node is unreachable"],"whenToPreferThis":"Use this endpoint when an AI agent needs real-time, multi-chain gas fee data across major EVM chains and Solana in a single call, with pre-computed USD cost estimates for common transaction types (transfer, ERC-20 transfer, swap). Prefer it over chain-specific RPC calls when you need congestion signals, base-fee trend, and fee tiers (slow/standard/fast) without doing your own block analysis. Ideal for DeFi agents that need to decide which chain to route transactions through or when to execute a transaction based on current network conditions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:44:20.285Z","isFirstParty":false,"canonicalSlug":"ishob-gas-tracker-59edb137"}