{"uid":"cap_udANKC8nZ8WpcxrjOCUq0","slug":"phantom-api-sei-latest-block-f1d499c4","name":"Phantom API – SEI Latest Block","description":"Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.","url":"https://phantom-api-omega.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_cUtPonlAodZbJriSWqbMX","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 most recent block data from the SEI blockchain network in real time","exampleAgentPrompt":"What's the latest block on the SEI blockchain right now — give me the block number, hash, and timestamp?","exampleUseCases":[{"title":"Real-time SEI block monitoring","prompt":"Keep checking the SEI blockchain and tell me the latest block number every time a new one is produced — I want to monitor chain activity."},{"title":"SEI chain health verification","prompt":"Is the SEI blockchain actively producing new blocks? Grab the latest block and tell me the block number and when it was created so I can confirm the chain is live."},{"title":"DApp sync status check","prompt":"My dapp needs to know the current SEI block height to sync from — what's the most recent block number and hash on SEI?"}],"resultDescription":"Returns the latest block details from the SEI blockchain, including block number (height), block hash, timestamp, and potentially transaction count and validator information for that block.","failureModes":["SEI node or RPC endpoint temporarily unavailable — returns 5xx error","Payment not processed via x402 — returns 402 Payment Required","Network congestion causing stale or delayed block data","Invalid or malformed request body — returns 400 Bad Request","SEI network downtime or chain halt resulting in no new blocks"],"whenToPreferThis":"Use this endpoint when you need real-time, up-to-date block data specifically from the SEI blockchain network. Prefer it over generic blockchain explorers when you need programmatic, pay-per-call access without subscription overhead and when low-latency on-chain data is critical for agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:57:28.563Z","isFirstParty":false}