{"uid":"cap_6vwScu5g58QB7odn4h3iY","slug":"pulsescanner-head-lane-transaction-lookup-a6760c55","name":"PulseScanner Head Lane Transaction Lookup","description":"One transaction from the head preview lane, ahead of the indexed head. PulseChain (chain id 369). $0.003 USDC per call.","url":"https://x402.pulsescanner.io/v2/head/txs/:hash?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"pathParams":{"type":"object","required":["hash"],"properties":{"hash":{"type":"string"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AXfzrpFLGENmIlZ5cviwz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a single transaction from the PulseChain head preview lane, ahead of the indexed blockchain head, by transaction hash.","exampleAgentPrompt":"Can you pull up the details for PulseChain transaction 0xabc123...def on the head preview lane, before it's been indexed?","exampleUseCases":[{"title":"Monitor fresh PulseChain transaction","prompt":"I just sent a PulseChain transaction with hash 0x7f3a...c891 — can you check its status in the head preview lane before it gets indexed?"},{"title":"Verify pre-index swap transaction","prompt":"Can you look up PulseChain head-lane transaction 0xd4e5...f019 for me? I want to confirm my DEX swap went through before the indexer catches up."},{"title":"Debug head-lane transaction data","prompt":"Pull the head lane transaction data for hash 0x1b2c...a347 on PulseChain — I need to see what was sent before it appears in the normal indexed results."}],"resultDescription":"Returns details of a single PulseChain (chain ID 369) transaction from the head preview lane, ahead of the indexed blockchain head — including transaction-level data such as hash, status, value, gas, and decoded action, sourced from the pre-index lane.","failureModes":["Transaction hash not found in head lane (may already be indexed or not yet propagated)","Invalid or malformed transaction hash returns an error","Transaction exists in the standard indexed chain but not the head lane","Network or upstream node unavailability causing lookup failure","Payment failure or insufficient USDC balance for the $0.003 per-call fee"],"whenToPreferThis":"Use this endpoint when you need to inspect a PulseChain transaction that is in the head preview lane and has not yet been indexed — ideal for real-time monitoring of fresh transactions, pre-confirmation checks, or scenarios where indexing lag matters. Prefer the standard indexed transaction endpoint if the transaction is expected to already be in the indexed chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:40:43.415Z","isFirstParty":false,"canonicalSlug":"pulsescanner-head-lane-transaction-lookup-a6760c55"}