{"uid":"cap_D5_Jsp6_9dotTdkCIN2u8","slug":"halowerk-api-design-discussion-snapshot-compare-3951341c","name":"HALOWERK API Design Discussion Snapshot Compare","description":"Compare Timestamped source search for API design discussion passages; literal vocabulary only. against a bounded caller-supplied previous snapshot and return exact change witnesses. Baseline is caller supplied and is never authenticated as historical server output. Pure bounded timing/source-quote validation runs before payment. Exactly one current motor call, zero baseline provider calls. Full current provider disclosure retained; baseline is not submitted to the provider.","url":"https://medien.halowerk.com/v1/baumarkt/media/engineering-api-literal-index/snapshot-compare?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.031","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.031/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.031","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.031","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YdAXftlVSTtlldPbwfPp-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.031","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares a caller-supplied previous snapshot of timestamped API design discussion passages against the current live index and returns exact textual change witnesses.","exampleAgentPrompt":"Compare my saved snapshot of API design discussion passages against the current live index — specifically searching for 'REST versioning strategy' — and tell me exactly which passages have changed, been added, or removed since my snapshot.","exampleUseCases":[{"title":"API documentation drift detection","prompt":"I saved a snapshot of the engineering API design discussion index last week. Can you compare it against what's live now and show me the exact passages that have changed around the topic 'authentication flow'?"},{"title":"Tracking evolving API design consensus","prompt":"Run a literal-match search for 'breaking change policy' in the API design discussion index and compare the results against this snapshot I recorded yesterday — highlight any new or removed passages."},{"title":"Auditing API discussion archive integrity","prompt":"I need to verify that the API design discussion passages about 'rate limiting headers' haven't changed since I took this baseline snapshot — can you diff them and give me the exact change witnesses?"}],"resultDescription":"A JSON object containing exact change witnesses — textual diffs of passages that have been added, modified, or removed between the caller-supplied baseline snapshot and the current live index results for the given literal keyword query, along with source timestamps for each current match.","failureModes":["Baseline snapshot format invalid or malformed — returns parse error","Literal keyword query returns no current results — empty change witnesses","Snapshot is too large and exceeds bounded payload limits — returns size error","Network timeout fetching current index — returns timeout error","Mismatched snapshot schema version — returns compatibility error"],"whenToPreferThis":"Choose this endpoint when you need to detect precise literal textual changes in API design discussion passages between a known baseline and the current live index. It is ideal for monitoring API documentation drift, auditing discussion archives for integrity, or tracking evolving consensus on specific API design topics using exact vocabulary matching rather than semantic search.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:37:06.284Z","isFirstParty":false,"canonicalSlug":"halowerk-api-design-discussion-snapshot-compare-3951341c"}