{"uid":"cap_lLwQiAsx5KGfFQG80XlMw","slug":"business-change-intelligence-api-event-evidence-expansion-1564bbc4","name":"Business Change Intelligence API – Event Evidence Expansion","description":"Expand selected business event IDs into dated, versioned primary-source evidence. Use after lead search to verify a small set of results before citing or acting on them.","url":"https://api.businesschanges.dev/v1/events/evidence","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"eventIds":{"type":"array","items":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"maxItems":50,"minItems":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DpwpNMezpgMFCab0NLAoV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Expands a list of business event IDs into dated, versioned primary-source evidence records for verification before citing or acting on them.","exampleAgentPrompt":"I just got back a list of business change event IDs from my lead search — can you pull up the primary-source evidence and dates for these three events: '3fa85f64-5717-4562-b3fc-2c963f66afa6', 'a1b2c3d4-e5f6-7890-ab12-cd34ef56gh78', and 'deadbeef-dead-beef-dead-beefdeadbeef'? I need to verify them before I reach out.","exampleUseCases":null,"resultDescription":"Returns dated, versioned primary-source evidence records for each requested event ID, including source citations and timestamps that allow the agent to verify and cite specific business changes with confidence.","failureModes":["Invalid UUID format returns a 400 validation error","Array with zero items or more than 50 items returns a 400 out-of-range error","Unknown or non-existent event IDs may return empty evidence records or 404","Payment failure (x402) blocks the request before processing","Partial results if only some event IDs have associated evidence"],"whenToPreferThis":"Use this endpoint after a lead search or business change discovery step, when you have a small set of specific event IDs (1–50) that need verification with primary-source evidence before being cited, shared, or acted upon. Prefer this over a broad search API when you already know the specific event IDs and need authoritative sourcing rather than discovery.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:33:11.357Z","isFirstParty":false}