{"uid":"cap_IHKi-HS4uqhw8mpcoAuDI","slug":"synapse-api-megaeth-transaction-history-d0a23b9a","name":"Synapse API — MegaETH Transaction History","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/megaeth/tx/history","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"order":{"enum":["asc","desc"],"type":"string"},"pageKey":{"type":"string"},"toBlock":{"type":"string"},"category":{"type":"array","items":{"type":"string"}},"maxCount":{"type":"number"},"fromBlock":{"type":"string"},"toAddress":{"type":"string"},"fromAddress":{"type":"string"},"withMetadata":{"type":"boolean"},"excludeZeroValue":{"type":"boolean"}}},"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_4M-53HOcb2u6_VJjEGdOW","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":"Retrieves paginated transaction history for addresses on the MegaETH blockchain network with filtering by block range, category, and address.","exampleAgentPrompt":"Pull the last 50 transactions involving wallet 0xABC...123 on MegaETH, ordered from newest to oldest, and include token transfer metadata.","exampleUseCases":[{"title":"Wallet audit for compliance review","prompt":"Get me all transactions sent from 0xDEAD...BEEF on MegaETH between block 1000000 and 2000000, including metadata, so I can audit the activity."},{"title":"NFT transfer tracking for a collector","prompt":"Show me all NFT transfers received by 0x1234...5678 on MegaETH, up to 25 results, ordered from newest to oldest — skip any zero-value transfers."},{"title":"DeFi portfolio reconciliation","prompt":"Fetch the full ERC-20 token transfer history for wallet 0xAABB...CCDD on MegaETH, paginated with a max of 100 entries, in ascending order so I can reconcile my DeFi positions."}],"resultDescription":"Returns a paginated list of transactions matching the specified filters, each including transaction hash, block number, from/to addresses, value, category, and optionally full metadata. A pageKey is returned if more results are available.","failureModes":["Invalid address format returns a validation error","Unsupported category value causes a 400 bad request","fromBlock greater than toBlock returns an empty result or error","Expired or invalid pageKey breaks pagination","Rate limiting or payment failure (x402) returns a 402 response","MegaETH node unavailability causes a 503 timeout"],"whenToPreferThis":"Use this endpoint when you specifically need transaction history on the MegaETH blockchain. It is ideal for wallets, portfolio trackers, compliance tools, or DeFi dashboards needing paginated, filterable on-chain history with block-range scoping and category filtering. Prefer this over generic Ethereum endpoints when your target chain is MegaETH.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:47:11.755Z","isFirstParty":false}