{"uid":"cap_Etkc6i83hF8uL9hg4iy6L","slug":"synapse-api-unichain-latest-block-lookup-d221550b","name":"Synapse API — Unichain Latest Block 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/unichain/block/latest?utm_source=zero.xyz","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_eKK7X0abajE3e0-ZVfvT-","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 Unichain blockchain network","exampleAgentPrompt":"Can you get me the latest block from the Unichain network — I need the block number, hash, and timestamp?","exampleUseCases":[{"title":"Monitor Unichain chain liveness","prompt":"Check if Unichain is still producing blocks by fetching the latest block and tell me the block number and how recent it is."},{"title":"Sync DeFi app to chain head","prompt":"Grab the most recent Unichain block so I can sync my app to the current chain head — I need the block hash and number."},{"title":"Timestamp on-chain event","prompt":"What's the timestamp on the latest Unichain block right now? I need to verify when the last block was produced."}],"resultDescription":"Returns structured data about the most recently produced block on the Unichain network, typically including block number, block hash, parent hash, timestamp, gas used, transaction count, and other block header fields.","failureModes":["Network or RPC node unavailability returns an error response","Payment not completed (HTTP 402) blocks access","Unichain node lag may return a slightly stale block","Malformed request body causes 400/422 validation error","Rate limiting if too many concurrent requests are made"],"whenToPreferThis":"Choose this endpoint when you need quick, pay-per-call access to Unichain's latest block without managing your own RPC infrastructure. Prefer it over self-hosted nodes for lightweight or occasional chain-head queries, or when integrating into agent workflows that need current Unichain block state on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T18:54:16.112Z","isFirstParty":false,"canonicalSlug":"synapse-api-unichain-latest-block-lookup-d221550b"}