{"uid":"cap_Gc-5QWlXBTiYJAr09Si3Q","slug":"synapse-api-abstract-gas-estimator-414de0b9","name":"Synapse API — Abstract 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/abstract/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_E2OQSg93moQL1vheC9WlJ","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 the gas cost for a transaction on Abstract (or supported EVM-compatible) blockchain networks given transaction parameters","exampleAgentPrompt":"Estimate the gas needed for a transaction from 0xAbC...123 to 0xDeF...456 with value 0 and calldata 0xa9059cbb...","exampleUseCases":[{"title":"Pre-flight smart contract call check","prompt":"Before I submit this contract interaction, can you estimate the gas cost? The sender is 0x1234...abcd, the contract address is 0xdead...beef, and the calldata is 0xa9059cbb0000..."},{"title":"Token transfer cost preview","prompt":"How much gas will it take to transfer tokens from my wallet 0xAAA...111 to 0xBBB...222 with value 1000000000000000000 and no extra calldata?"},{"title":"DeFi transaction budget planning","prompt":"I'm about to call a DeFi protocol at 0xUniswap...addr from 0xMyWallet...addr with this swap calldata 0x38ed1739..., can you estimate the gas so I know if I have enough?"}],"resultDescription":"Returns a gas estimate (in gas units) for the described transaction, allowing the caller to anticipate fees before broadcasting to the network","failureModes":["Invalid or malformed address in 'to' or 'from' fields returns a validation error","Malformed or non-hex calldata in 'data' field causes a parse error","Network unavailability or RPC node failure returns a 503 or timeout","Transaction simulation reverts (e.g. insufficient balance, bad calldata) may return an error or revert reason","Missing required fields may return a 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call gas estimate for Abstract network (or compatible EVM chain) transactions without provisioning your own RPC infrastructure. Particularly useful for agents that need pre-flight cost checks before executing on-chain actions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:41:33.597Z","isFirstParty":false,"canonicalSlug":"synapse-api-abstract-gas-estimator-414de0b9"}