{"uid":"cap_ikYD_h9MjirQOfkCTNZhe","slug":"source-packs-revision-delta-map-f020d6a3","name":"Source Packs Revision Delta Map","description":"Compare source metadata projections across pinned pack revisions, including content digest, bytes, media and declared access labels. Changed access labels do not grant rights. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.","url":"https://www.mahastrategies.com/api/v1/context/source-packs/revision-delta-map?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"object"},"before":{"type":"object"},"dataClass":{"enum":["public","synthetic"],"type":"string"},"nonpersonalMetadata":{"type":"boolean","const":true}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.021298","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":"$0.021298/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.021298","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.021298","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_w5lMNKuHmEzasibr3eTDs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.021298","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares source metadata projections across two pinned pack revisions, reporting changes in content digest, byte size, media type, and declared access labels.","exampleAgentPrompt":"Compare these two pinned source pack revisions — the 'before' and 'after' snapshots I have — and show me what changed in content digest, byte size, media type, and access labels; use the 'public' data class and confirm it's nonpersonal metadata only.","exampleUseCases":[{"title":"Access label audit between pack releases","prompt":"I have two versions of our source pack — the one from last month and today's release — can you diff them and tell me if any declared access labels changed between revisions? Use the 'public' data class and nonpersonal metadata only."},{"title":"Content digest drift detection for compliance","prompt":"Run a revision delta map between these two source pack snapshots and flag any content digests or byte sizes that shifted — we need to confirm nothing was silently modified for our compliance record. Data class is 'synthetic'."},{"title":"Media type change tracking across pack versions","prompt":"Can you compare the before and after revisions of our source pack and report back any changes in media type declarations or access labels? We're using public data class and only nonpersonal metadata."}],"resultDescription":"Returns a structured delta map listing which metadata fields changed between the two supplied pack revisions, including content digest diffs, byte size differences, media type changes, and declared access label changes. Results are retained for 24 hours; minimal receipt metadata is retained for 90 days. Note: changed access labels in the result do not grant any rights.","failureModes":["Invalid or missing 'before'/'after' objects — returns validation error","nonpersonalMetadata set to anything other than true — rejected by const constraint","Unrecognized dataClass value outside 'public' or 'synthetic' enum — returns schema validation error","Pack revision references that cannot be resolved — returns not-found or unresolvable error","Result expiry: data unavailable after 24-hour retention window"],"whenToPreferThis":"Use this endpoint when you need a structured, typed diff of source pack metadata across two pinned revisions — specifically when you care about content digest changes, byte size shifts, media type declarations, or access label changes in an offline, nonpersonal metadata context. Prefer this over generic diffing tools when your data is classified as 'public' or 'synthetic' and you need a formal delta record with receipt metadata retained for 90 days.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:46:07.703Z","isFirstParty":false,"canonicalSlug":"source-packs-revision-delta-map-f020d6a3"}