{"uid":"cap_TU30WbmnIrrRdLrjkHQ0H","slug":"synapse-api-superseed-gas-estimator-af566dcd","name":"Synapse API — Superseed 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/superseed/gas/estimate","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_sX-wtR75189cCW8l3aphb","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 cost for a transaction on the Superseed blockchain network before submission","exampleAgentPrompt":"Before I send this contract call on Superseed, can you estimate the gas it'll use? The transaction is from 0xAbC...123 to 0xDeF...456 with calldata 0xa9059cbb... and a value of 0.","exampleUseCases":[{"title":"Pre-flight check before token transfer","prompt":"I'm about to send some tokens on Superseed — can you estimate the gas cost first? From address is 0x1234...abcd, destination is 0x5678...ef01, calldata is 0xa9059cbb..., and value is 0."},{"title":"Smart contract deployment cost estimate","prompt":"Before I deploy this contract on Superseed, estimate how much gas the deployment transaction will use. The from address is 0xDev...999, the to field is empty, and the bytecode data is 0x6080604052..."},{"title":"DeFi swap gas estimation on Superseed","prompt":"I want to do a DEX swap on Superseed but want to know the gas estimate first. From 0xMyWallet...111, to the router at 0xRouter...222, with this swap calldata: 0x38ed1739..., and value 0."}],"resultDescription":"Returns a gas estimate (in gas units) for the described transaction on the Superseed network, allowing callers to predict fees and decide whether to proceed before actually submitting the transaction on-chain.","failureModes":["Invalid address format for 'to' or 'from' fields returns an error","Malformed or invalid 'data' hex string causes a simulation failure","Insufficient funds simulation may return a revert error","Network downtime or RPC unavailability returns a 5xx error","Missing required fields may return a 400 bad request","Transaction would revert on-chain causes estimate to fail with revert reason"],"whenToPreferThis":"Use this endpoint when you need a gas estimate specifically for the Superseed blockchain network and want a pay-per-call model without managing RPC infrastructure. Prefer this over direct RPC calls when you don't have a Superseed node configured or want a simple REST interface instead of raw JSON-RPC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:12:29.065Z","isFirstParty":false}