{"uid":"cap_Dndfyqn_PU_KnNa25FbI4","slug":"synapse-api-base-blockchain-latest-block-lookup-3b5320ea","name":"Synapse API — Base Blockchain 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/base/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_Z2om5OgfqA4zA9kmp4tvw","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 the most recent block data from the Base blockchain network","exampleAgentPrompt":"What is the latest block on the Base blockchain right now — give me the block number, hash, and timestamp.","exampleUseCases":[{"title":"Real-time Base block monitoring","prompt":"Keep checking the latest block on Base for me and let me know when a new block is confirmed — I want the block number and timestamp each time."},{"title":"DApp block height verification","prompt":"What is the current block height on the Base network? I need to confirm the chain is progressing normally before my smart contract interaction."},{"title":"On-chain event timing reference","prompt":"Fetch the latest Base blockchain block so I can get the current on-chain timestamp to correlate with a transaction I'm investigating."}],"resultDescription":"Returns data about the most recently confirmed block on the Base blockchain, typically including block number, block hash, parent hash, timestamp, miner/validator address, transaction count, gas used, and other block-level metadata.","failureModes":["Network or node unavailability causing timeout or 5xx error","Payment failure via x402 protocol resulting in 402 response","Base network outage or RPC provider downtime","Malformed request body returning 400 validation error","Rate limiting if too many calls are made in rapid succession"],"whenToPreferThis":"Choose this endpoint when you specifically need real-time latest block data from the Base (Coinbase L2) blockchain network, and you are already operating in an x402 micropayment context. Prefer this over general blockchain explorers when you need programmatic, pay-per-call access without API key management, or when integrating Base block data into an automated agent workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:17.552Z","isFirstParty":false}