{"uid":"cap_mXMwLfOVBqKfti9RCzKo9","slug":"agent-data-bench-gas-fee-native-token-price-lookup-44359285","name":"Agent Data Bench – Gas Fee & Native Token Price Lookup","description":"Fee inputs for the next transaction: gas ladder for Base or Ethereum (slow/normal/fast, priority fee, max fee, EIP-1559 base fee) or the priority-fee ladder for Solana, plus the native token price. One call for the numbers a transaction builder needs.","url":"https://x402.deepsense.stream/api/v1/market/gas?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","required":["chain"],"properties":{"chain":{"enum":["sol","eth","base"],"type":"string","description":"Chain id: sol (Solana), eth (Ethereum), base (Base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_3nXpnzuUAzI4sP0KSU0Xt","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 the current gas fee ladder (slow/normal/fast with priority fee, max fee, and EIP-1559 base fee) for Base or Ethereum, or the priority-fee ladder for Solana, plus the native token price — all in one call.","exampleAgentPrompt":"What are the current gas fees on Base — give me the slow, normal, and fast tiers with priority fee and max fee, plus the ETH price.","exampleUseCases":[{"title":"Pre-flight check before submitting transaction","prompt":"Before I send this Ethereum transaction, can you pull the current gas ladder — slow, normal, and fast tiers with their priority fees and max fees — plus the current ETH price so I can decide how urgent to set it?"},{"title":"Solana fee estimation for dApp","prompt":"I'm building a Solana transaction — can you get me the current priority fee ladder so I know what to set for a fast confirmation?"},{"title":"Gas cost monitoring for Base deployment","prompt":"I'm about to deploy a contract on Base — what are the current gas fees across all speed tiers and what's the native token price right now?"}],"resultDescription":"A structured response containing the gas fee ladder for the requested chain: for Ethereum and Base, this includes slow, normal, and fast tiers each with their priority fee and max fee, plus the EIP-1559 base fee. For Solana, it returns the priority fee ladder. All responses also include the current native token price (ETH for Ethereum/Base, SOL for Solana).","failureModes":["Missing or invalid 'chain' query parameter returns a validation error","Unsupported chain value (anything other than sol, eth, base) returns an error","Upstream gas oracle or price feed unavailability may cause 5xx errors","Payment not received or x402 payment header missing returns a 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a complete, ready-to-use gas fee ladder (all speed tiers + native token price) for Ethereum, Base, or Solana in a single call. Prefer this over general blockchain RPC calls when you want pre-parsed, human-readable tier labels (slow/normal/fast) without doing raw fee computation yourself. Ideal for transaction builders, wallet UIs, and agents that need to recommend gas settings to users.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:40:43.537Z","isFirstParty":false,"canonicalSlug":"agent-data-bench-gas-fee-native-token-price-lookup-44359285"}