{"uid":"cap_EbPxul9werxlbYmCSfdEz","slug":"synapse-api-monad-transaction-history-ae80e4c7","name":"Synapse API — Monad 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/monad/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_sogfGvDMiJiSWUPq0WAH0","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 Monad blockchain network, with filtering by block range, category, and metadata options.","exampleAgentPrompt":"Show me the last 25 transactions sent from Monad address 0xABC...123 to 0xDEF...456, descending order, with metadata included and zero-value transfers excluded.","exampleUseCases":[{"title":"Audit wallet outflows on Monad","prompt":"Pull the full outgoing transaction history for Monad wallet 0xABC...123 in descending order, excluding zero-value transfers, so I can audit what was sent and when."},{"title":"Monitor incoming transfers to a contract","prompt":"Get me all incoming transactions to my Monad contract at 0xDEF...456 between block 1000000 and 1050000, with metadata, categorized by token transfers."},{"title":"Paginate large wallet history","prompt":"I need the next page of Monad transaction history for address 0x789...000 — use page key 'abc123' and return up to 50 results in ascending order."}],"resultDescription":"Returns a paginated list of transactions on the Monad blockchain matching the specified filters, including transaction details such as from/to addresses, block numbers, transfer categories, and optionally metadata. A pageKey may be returned for fetching subsequent pages.","failureModes":["Invalid address format returns an error response","Invalid block range (fromBlock > toBlock) may return empty results or error","Unrecognized category values may be silently ignored or return an error","pageKey mismatch or expiry leads to pagination errors","Rate limiting or payment failures (x402) result in 402 Payment Required","Empty result set if no transactions match the given filters"],"whenToPreferThis":"Choose this endpoint when you need on-chain transaction history specifically for the Monad blockchain network, with flexible filtering by address, block range, category, and sort order. Prefer it over generic blockchain explorers when you need programmatic, paginated access via a pay-per-call model without API key setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:40:34.474Z","isFirstParty":false}