{"uid":"cap_cuioyBDhe4tib2JbO6mHU","slug":"synapse-api-latest-plasma-block-lookup-2b1ff045","name":"Synapse API — Latest Plasma 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/plasma/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_lC4PRpa51U-C1Q6Mbe4GM","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 latest block data from the plasma chain across supported blockchain networks via a POST request.","exampleAgentPrompt":"Can you fetch the latest plasma block data from the Synapse API right now — I need the current block number, hash, and timestamp?","exampleUseCases":[{"title":"Monitor current block height","prompt":"What is the latest block number on the plasma chain right now? I need the block hash and timestamp too."},{"title":"Real-time blockchain state check","prompt":"Check the current plasma block on the Synapse API and tell me the latest block details including any transactions."},{"title":"Automated block polling for alerts","prompt":"Grab the latest plasma block from Synapse API so I can compare it to the previous block and detect if the chain has stalled."}],"resultDescription":"Returns the latest block data from the plasma chain, typically including block number, block hash, parent hash, timestamp, and associated transaction data for the queried network.","failureModes":["Network unreachable or Vercel deployment down — returns 5xx error","Payment not processed via x402 — returns 402 Payment Required","Malformed request body — returns 400 Bad Request with schema validation error","Unsupported network or chain not available — may return empty or error response","Rate limiting or quota exceeded — returns 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need the latest plasma block data in a pay-per-call model without committing to a subscription, especially if you are operating across multiple blockchain networks and want a single unified API surface. Prefer this over dedicated node RPC calls when you lack direct node access or want simplified multi-chain querying.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:45:20.084Z","isFirstParty":false}