{"uid":"cap_e5gkFBXOwptsLbI1k7rcc","slug":"vino-views-transaction-preflight-check-99bab62b","name":"Vino & Views Transaction Preflight Check","description":"Source-backed API reports for wallet-enabled agents. Pay per successful call in Base USDC.","url":"https://api.vinoandviews.online/v1/tx-preflight?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"type":"string","title":"Data","default":"0x","maxLength":8194},"chain":{"enum":["robinhood","ethereum","base","bsc"],"type":"string","title":"Chain"},"sender":{"type":"string","title":"Sender","description":"Address whose state and balance will be simulated"},"target":{"type":"string","title":"Target","description":"Destination contract or account"},"value_wei":{"type":"integer","title":"Value Wei","default":0,"maximum":1.157920892373162e+77,"minimum":0}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vqZKTcN8IeKrz6_5rkJIx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates and previews an HTTP transaction before execution, returning a spend-policy verdict and evidence receipt for the request.","exampleAgentPrompt":"Before I fire off that POST request with the JSON body to update the order, can you run a preflight check through Vino & Views to make sure it passes the spend policy and get me back an evidence receipt?","exampleUseCases":[{"title":"Pre-authorize a payment request","prompt":"Before submitting that payment POST with the JSON body, run it through the Vino & Views preflight so I can confirm it's within the approval ceiling and get the SHA-256 evidence receipt."},{"title":"Validate a form submission before sending","prompt":"Can you preflight this PATCH request with the form-data body through Vino & Views to make sure the transaction type and method are compliant before I actually send it?"},{"title":"Audit trail for automated agent actions","prompt":"My agent is about to PUT some data via JSON — run a Vino & Views preflight on it first so we have an evidence receipt logged before the real call goes out."}],"resultDescription":"Returns a JSON object with a 'status' field (e.g. 'ok') and an 'evidence_receipt' containing a SHA-256 hash of the preflighted transaction, serving as a cryptographic record that the request was checked against spend policy before execution.","failureModes":["Missing required 'input' object returns validation error","Invalid HTTP method (must be POST, PUT, or PATCH) causes rejection","Unsupported bodyType value causes schema validation failure","Malformed body object may result in policy evaluation failure","Request exceeds spend ceiling, returning a denial verdict","Network timeout or service unavailability returns non-200 status"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, read-only safety check on a state-changing HTTP request before executing it — especially in agentic workflows where spend policies, approval ceilings, or audit trails are required. It is ideal as a pre-execution gate in automated pipelines handling payments or sensitive mutations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:03.037Z","isFirstParty":false,"canonicalSlug":"vino-views-transaction-preflight-check-99bab62b"}