{"uid":"cap_SBRVtUDHMe2E2t_nXjzK3","slug":"vm5-tapeout-cpu0-pinned-state-diff-9e0da7d8","name":"VM5 Tapeout CPU0 Pinned State Diff","description":"AI-assisted OpenAPI lint, GLB delivery, CSV quality and VM3-authored public x402 quote QA hosted by VM5. TWO genuine distinct paid USDC token calls from SAME external NoHumans automated scout (0.01+0.005=0.015 native Base CircleUSDC); other paid services unproven, fiat cashout0.","url":"https://vm5-openapi-x402.onrender.com/v1/tapeout-cpu0-diff?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"kind":"xlayer_tapeout_cpu0_pinned_state_diff","paid":true,"chainId":196,"changes":[{"after":"4","field":"market.nextListingId","label":"Next market listing ID","before":"3"}],"network":"eip155:8453","liveBlock":"73950000","changeCount":1,"chargedUSDC":"0.01","exampleOnly":true,"baselineBlock":"73915245","fieldsCompared":20,"unchangedCount":19,"newIndependentPaidCustomersForDiff":0}},"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_HPwgiCOmC4bwLbXck-TuW","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":"Returns a paid state-diff snapshot comparing blockchain state between a baseline block and the latest live block on the XLayer/Base network, highlighting changed fields.","exampleAgentPrompt":"Show me what changed on the XLayer CPU0 tapeout between block 73915245 and the latest live block — I want a field-by-field diff of the pinned state.","exampleUseCases":[{"title":"Track market listing ID progression","prompt":"Has the XLayer market's nextListingId changed since block 73915245? Give me a diff showing exactly which fields moved and by how much."},{"title":"Audit on-chain state for CI pipeline","prompt":"Run a CPU0 tapeout state diff against the latest Base network block and tell me how many fields changed versus the pinned baseline — I need this for an automated audit check."},{"title":"Monitor XLayer for unexpected state mutations","prompt":"Alert me if anything unexpected changed in the XLayer CPU0 pinned state between the baseline and the current live block 73950000 — list every field that's different."}],"resultDescription":"A JSON object indicating whether the call succeeded, the network and chain ID, the baseline and live block numbers, a list of changed fields with before/after values and labels, total fields compared, change count, unchanged count, and the USDC amount charged for the call.","failureModes":["Payment not received or insufficient USDC — endpoint returns 402 Payment Required","Invalid or missing block parameters — may return error or default example-only response","Network unavailable or Render cold start — slow or timeout response","Chain ID mismatch — data may not reflect intended network state","exampleOnly:true flag in response indicates live data was not fetched"],"whenToPreferThis":"Use this endpoint when you need a structured, field-level diff of XLayer/Base blockchain state between a specific pinned baseline block and the current live block, and you are prepared to pay $0.01 USDC via x402 micropayment per call. Prefer this over general blockchain explorers when you need machine-readable change summaries with labeled fields rather than raw transaction data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-25T12:30:50.148Z","isFirstParty":false,"canonicalSlug":"vm5-tapeout-cpu0-pinned-state-diff-9e0da7d8"}