{"uid":"cap_9nngJZnt7DwsS_fIWkfqn","slug":"synapse-api-sei-latest-block-fetcher-8f6b7783","name":"Synapse API — SEI Latest Block Fetcher","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/block/latest","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"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_JQLrFfKWm7wCNFNJ1PSu6","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":"Fetches the latest block data from the SEI blockchain network","exampleAgentPrompt":"What is the latest block on the SEI blockchain right now? Fetch the current block height and timestamp for me.","exampleUseCases":[{"title":"Monitor SEI chain sync status","prompt":"Check the latest block on the SEI blockchain and tell me the current block number and when it was produced."},{"title":"DeFi app block height check","prompt":"I need the most recent block data from SEI — grab the latest block number and hash so I can verify my transaction was included."},{"title":"Blockchain explorer data feed","prompt":"Pull the latest SEI block info for me, including the block height and timestamp, so I can update my dashboard."}],"resultDescription":"Returns the latest block data from the SEI blockchain, including block number (height), block hash, timestamp, and potentially transaction count or other block-level metadata.","failureModes":["Network timeout if SEI RPC node is unavailable","Invalid or empty body object may cause request rejection","SEI node sync lag may return a slightly stale block","Rate limiting if called too frequently without payment","HTTP 402 if payment header is missing or insufficient"],"whenToPreferThis":"Choose this endpoint when you need real-time latest block data specifically from the SEI blockchain network and want pay-per-call pricing via x402 without a subscription. Prefer this over self-hosted RPC nodes when you need a managed, low-friction option for SEI chain queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:21.566Z","isFirstParty":false}