{"uid":"cap_veTpeIgqGA29iPm6v0CUo","slug":"synapse-api-sei-network-rpc-proxy-fcd68af9","name":"Synapse API — Sei Network RPC Proxy","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/rpc","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"method":{"type":"string"},"params":{"type":"array","items":{}}}},"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_Ju4XjpST7b1ZRVhjFAdi1","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":"Proxies JSON-RPC method calls to the Sei blockchain network, enabling reads and writes against Sei chain state via a pay-per-call model.","exampleAgentPrompt":"Call the Sei blockchain RPC with the method eth_getBalance and pass the wallet address 0xAbC123... as the parameter — I need to see the current SEI balance on-chain.","exampleUseCases":[{"title":"Check wallet balance on Sei","prompt":"What's the current on-chain SEI balance for wallet address 0x4f3edf983ac636a65a842ce7c78d9aa706d3b113? Use the Sei RPC to call eth_getBalance."},{"title":"Fetch latest Sei block info","prompt":"Get me the latest block on the Sei network — call eth_getBlockByNumber with 'latest' so I can see the block hash and timestamp."},{"title":"Submit signed transaction to Sei","prompt":"Broadcast this signed raw transaction to the Sei network using eth_sendRawTransaction: 0xf86c0985012a05f200..."}],"resultDescription":"Returns a standard JSON-RPC response object containing the result field with the on-chain data (e.g. balance, block, receipt, or contract return value), or an error object with code and message if the call fails.","failureModes":["Invalid JSON-RPC method name returns error code -32601 Method not found","Malformed params array causes parse error -32700","Network congestion or Sei node unavailability returns 503 or timeout","Payment failure (x402) if USDC balance is insufficient","Invalid transaction data in eth_sendRawTransaction returns revert or invalid input error"],"whenToPreferThis":"Use this endpoint when you need direct, pay-per-call access to the Sei blockchain RPC without managing your own node or committing to a subscription. Ideal for agents that need occasional or low-volume Sei chain queries, or for applications that want to avoid node infrastructure overhead while supporting Sei specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:56:50.647Z","isFirstParty":false}