{"uid":"cap_FitPMj_PAtglPBc-Xc5bJ","slug":"synapse-api-base-token-transfers-lookup-448bf793","name":"Synapse API — Base Token Transfers Lookup","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/base/token/transfers","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"order":{"enum":["asc","desc"],"type":"string"},"owner":{"type":"string"},"pageKey":{"type":"string"},"toBlock":{"type":"string"},"maxCount":{"type":"number"},"fromBlock":{"type":"string"},"contractAddresses":{"type":"array","items":{"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_bQYWN6myb-pPWWAL_51Qu","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 token transfer history for a given owner address on the Base blockchain, with filtering by block range, contract addresses, and pagination support.","exampleAgentPrompt":"Show me all token transfers for the wallet 0xAbC...123 on Base, sorted from newest to oldest, limiting to the last 50 transfers, and only for the USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","exampleUseCases":[{"title":"Audit wallet token activity","prompt":"Pull all token transfers in and out of wallet 0xAbC...123 on Base, sorted ascending by block, for the last 1000 blocks — I want to see everything that moved."},{"title":"Track ERC-20 transfers for a specific token","prompt":"Get me all transfers of the USDC token (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) involving wallet 0xDef...456 on Base, newest first, up to 25 results."},{"title":"Paginate through large transfer history","prompt":"Continue fetching token transfers for wallet 0xGhi...789 on Base using the page key from my last query — I need the next batch of up to 100 transfers sorted descending."}],"resultDescription":"Returns a list of token transfer events for the specified owner on Base, including transaction hash, block number, from/to addresses, token contract, value, and asset metadata. Supports pagination via a page key for large result sets.","failureModes":["Invalid or malformed owner address returns an error or empty result","Unknown or unsupported contract address yields no transfers","Block range out of bounds or reversed fromBlock/toBlock causes an error","Invalid pageKey from a previous query may return an error or restart pagination","Exceeding maxCount limits may truncate results silently","Network or provider downtime returns a 5xx error"],"whenToPreferThis":"Use this endpoint when you need on-chain token transfer history specifically on the Base network for a given wallet or contract. Prefer it over generic blockchain explorers when you need structured, paginated, filterable data consumable by an agent without screen-scraping. It supports pay-per-call via x402 (USDC micropayments), making it suitable for agent workflows that need cost-controlled, programmatic access to Base transfer data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:56:51.755Z","isFirstParty":false}