{"uid":"cap_XsTX4SB1IuaIxnrzmelc8","slug":"vcdiff-window-address-cache-validator-d7c7cff4","name":"VCDIFF Window Address Cache Validator","description":"Geliefertes VCDIFF-API-Delta gegen zugesagte Zielbytes prüfen.","url":"https://detect.halowerk.com/v1/integration/api-vcdiff-window-address-cache?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"artifact":{"type":"object","required":["vcdiff_contract"],"properties":{"vcdiff_contract":{"type":"object","description":"RFC default256 instruction table, bounded windows, SELF/HERE/NEAR/SAME address caches and overlapping target copy. No custom tables or secondary compression.","additionalProperties":true}},"additionalProperties":true}}},"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_RR4chyVduSBnHlT7vYB-4","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":"Validates a delivered VCDIFF API delta against committed target bytes, checking RFC-compliant address caches and window bounds.","exampleAgentPrompt":"Check this VCDIFF delta contract for me — I need to confirm it uses the RFC default256 instruction table, has valid bounded windows, and that the SELF/HERE/NEAR/SAME address caches and overlapping target copy all line up with the committed target bytes.","exampleUseCases":[{"title":"Validate patch before deployment","prompt":"Before I apply this VCDIFF patch to production, can you run it through the validator to make sure the address caches and window bounds are all RFC-compliant and the target bytes match what was promised?"},{"title":"Audit VCDIFF delta encoding quality","prompt":"I received a VCDIFF delta from a third-party encoder — can you check it for address cache violations and confirm it doesn't use any custom tables or secondary compression that would break our decoder?"},{"title":"CI pipeline VCDIFF integrity check","prompt":"As part of our build pipeline, validate this generated VCDIFF contract and tell me if the SELF/HERE/NEAR/SAME caches and window bounds are within spec before we ship the binary update."}],"resultDescription":"Returns a structured validation report indicating whether the VCDIFF delta conforms to RFC default256 rules, including the status of address caches (SELF, HERE, NEAR, SAME), window bound compliance, overlapping target copy correctness, and whether the delta matches the committed target bytes. No custom tables or secondary compression are supported.","failureModes":["Invalid or malformed vcdiff_contract object causes rejection","Custom instruction tables or secondary compression present triggers non-compliance error","Window bounds exceed allowed limits returns bounds violation","Address cache entries inconsistent with target bytes returns cache mismatch error","Missing required vcdiff_contract field returns 400 bad request","Payment not provided or insufficient returns 402 payment required"],"whenToPreferThis":"Choose this endpoint when you need strict RFC 3284 VCDIFF delta validation with explicit checks on address cache state (SELF/HERE/NEAR/SAME), window bounding, and target byte commitment — especially when no custom tables or secondary compression are in use. Prefer this over generic diff validators when VCDIFF binary patch conformance and delta integrity are the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:19:11.826Z","isFirstParty":false,"canonicalSlug":"vcdiff-window-address-cache-validator-d7c7cff4"}