{"uid":"cap_WklmaVdmhEogEuR_e5-Jq","slug":"synapse-api-sei-transaction-history-43a03876","name":"Synapse API — SEI 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/sei/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_o_xjk47I6b98w4wdmrjpz","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 SEI blockchain network","exampleAgentPrompt":"Pull the last 25 transactions sent from SEI address 0xAbc123... to 0xDef456..., ordered newest first, and include metadata — skip any zero-value transfers.","exampleUseCases":[{"title":"Audit wallet activity on SEI","prompt":"Show me all transactions from SEI address sei1abc...xyz over the last 10,000 blocks, ordered from newest to oldest, with full metadata included."},{"title":"Track incoming token transfers","prompt":"Get me the most recent 50 incoming transactions to my SEI wallet at 0xDef456..., filtering to only token transfers and excluding zero-value ones."},{"title":"Paginate through large SEI tx history","prompt":"I need to page through the full transaction history for SEI address sei1abc...xyz — start from the beginning in ascending order, 100 transactions at a time, and give me the page key so I can continue."}],"resultDescription":"Returns a paginated list of transactions on the SEI blockchain matching the specified filters, including transfer categories, block numbers, sender/receiver addresses, and optionally full transaction metadata. A pageKey is returned when more results exist for subsequent requests.","failureModes":["Invalid address format returns a 400 or empty result","Invalid block range (fromBlock > toBlock) may return an error or empty list","Unknown category values may be silently ignored or cause a 400","Payment not received (402) if x402 payment header is missing or insufficient","Rate limiting or timeout if maxCount is very large","pageKey expiry if too much time passes between paginated calls"],"whenToPreferThis":"Use this endpoint when you need on-chain transaction history specifically for the SEI blockchain network, with support for address filtering, block range scoping, category filtering, and pagination. Prefer this over generic blockchain explorers when you need programmatic, pay-per-call access without API key registration, or when building automated SEI wallet monitoring or auditing workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:07:26.908Z","isFirstParty":false}