{"uid":"cap_rvTVOThQL2n6vJ9zgc2ba","slug":"synapse-api-katana-latest-block-663da9cf","name":"Synapse API — Katana Latest Block","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/katana/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_wuWfzcRqbbQ93bLnrVKpd","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 Katana blockchain network via the Synapse API gateway","exampleAgentPrompt":"What is the latest block on the Katana blockchain right now — give me the block number, hash, and any transactions in it?","exampleUseCases":[{"title":"Monitor Katana chain tip","prompt":"Keep checking the Katana blockchain and tell me whenever a new block is produced, including the block number and timestamp."},{"title":"Verify transaction inclusion","prompt":"Pull the latest Katana block and check whether any transactions are included in it so I can see current on-chain activity."},{"title":"Dashboard block height sync","prompt":"Fetch the current block number from Katana so I can update my blockchain explorer dashboard with the latest chain height."}],"resultDescription":"Returns the most recently produced block on the Katana network, typically including the block number, block hash, parent hash, timestamp, and list of transactions or transaction hashes contained in the block.","failureModes":["Network or Vercel cold-start timeout returning a 500 error","Payment failure or insufficient USDC balance returning a 402 response","Invalid or malformed request body returning a 400 error","Katana node unavailable or lagging returning stale or error data","Rate limiting if too many calls are made in rapid succession"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call lookup of the latest Katana block without managing your own RPC node. It is ideal for lightweight agents or dashboards that periodically poll chain state without requiring a dedicated blockchain infrastructure setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:50:54.492Z","isFirstParty":false,"canonicalSlug":"synapse-api-katana-latest-block-663da9cf"}