{"uid":"cap_FvhdNlB4yY3zYH6ZkY99R","slug":"synapse-api-hyperliquid-gas-estimator-ebec0538","name":"Synapse API — Hyperliquid Gas Estimator","description":"High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.","url":"https://synapse-api-brown.vercel.app/api/hyperliquid/gas/estimate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"to":{"type":"string"},"data":{"type":"string"},"from":{"type":"string"},"value":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UIQk2y3Gku98JIdcEJ7ZO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates gas costs for a transaction on the Hyperliquid network by simulating a call with sender, recipient, data, and value inputs.","exampleAgentPrompt":"Estimate the gas cost for a Hyperliquid transaction where I'm sending from 0xAbC123... to 0xDeF456... with calldata 0x1234abcd and value 0.5 ETH.","exampleUseCases":[{"title":"Preflight fee check for DEX swap","prompt":"Before I submit this swap on Hyperliquid, estimate the gas cost — sender is 0xAAA111..., recipient contract is 0xBBB222..., calldata is 0xa9059cbb... and value is 0."},{"title":"Smart contract deployment cost estimate","prompt":"I'm about to deploy a contract on Hyperliquid from address 0xCCC333..., with this bytecode as data and no ETH value — can you estimate the gas it will use?"},{"title":"Budget planning for high-volume bot","prompt":"My trading bot on Hyperliquid sends batches of transactions from 0xDDD444... to 0xEEE555... with this calldata pattern — give me a gas estimate so I can budget my fee reserves."}],"resultDescription":"Returns an estimated gas amount (in gas units) required to execute the described transaction on the Hyperliquid network, based on simulation without on-chain submission.","failureModes":["Invalid or malformed Ethereum address for 'to' or 'from' fields returns a 400 error","Malformed or non-hex 'data' field may cause estimation failure","Hyperliquid RPC node unavailable returns 5xx error","Transaction simulation reverts (e.g. insufficient balance or bad calldata) may return an error or revert reason","Missing required fields may cause incomplete estimation or error response"],"whenToPreferThis":"Use this endpoint when you need to estimate transaction gas costs on the Hyperliquid network specifically before committing to a transaction. Prefer this over generic Ethereum gas estimators when targeting Hyperliquid's L1/L2 environment, as gas parameters may differ from mainnet Ethereum.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:43:06.422Z","isFirstParty":false,"canonicalSlug":"synapse-api-hyperliquid-gas-estimator-ebec0538"}