{"uid":"cap_ElaGuUPm65JMNdFehrcx5","slug":"collectablespulse-provenance-ownership-history-check-3ff3377b","name":"CollectablesPulse Provenance & Ownership History Check","description":"Provenance & ownership history check: research the chain of ownership, Art Loss Register / stolen-art checks, and authenticity documentation for art, antiques and memorabilia. Worldwide. For collector and appraiser agents.","url":"https://collectablespulse.theaslangroupllc.com/api/collect/provenance","method":"GET","headers":{},"bodySchema":{"type":"object","required":["item"],"properties":{"item":{"type":"string","description":"Collectible description (e.g. 1952 Topps Mickey Mantle)"},"lang":{"type":"string","description":"Response language (default en)"}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RsuA_HHzG630QZWP6aWS6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Researches the chain of ownership, Art Loss Register / stolen-art checks, and authenticity documentation for art, antiques, and memorabilia worldwide.","exampleAgentPrompt":"Can you run a provenance and ownership history check on a Jean-Michel Basquiat painting titled 'Untitled 1982' — I need the full chain of custody, any Art Loss Register hits, and authenticity documentation before I make an offer?","exampleUseCases":[{"title":"Authenticate antique before auction","prompt":"I'm about to bid on a Victorian-era desk at an estate sale, but I want to make sure it's legitimate and hasn't been stolen or looted. Can you pull its ownership history and run it through the Art Loss Register?"},{"title":"Verify memorabilia isn't stolen goods","prompt":"I found what looks like an authentic signed baseball from the 1920 World Series at a flea market. Before I buy it, can you check if it's authentic and whether it's been reported stolen anywhere?"},{"title":"Due diligence on high-value sculpture acquisition","prompt":"My client is interested in acquiring a bronze sculpture supposedly from the early 1900s. I need you to trace the complete chain of ownership, check for any looting or theft records, and verify all available authenticity documentation."}],"resultDescription":"A provenance report including the item's chain of ownership, Art Loss Register / stolen-art check results, any red flags on theft or looting, and available authenticity documentation — structured for collector and appraiser due diligence.","failureModes":["Insufficient item details to identify the specific work — returns error requesting more descriptive input","Item not found in known provenance databases — returns empty or partial results","Art Loss Register query timeout — returns a partial report with a note on the incomplete check","Ambiguous artist or item name matching multiple works — returns disambiguation prompt or multiple candidates"],"whenToPreferThis":"Use this endpoint when an agent needs to perform acquisition due diligence on art, antiques, or memorabilia — specifically when ownership history, stolen-art screening (Art Loss Register), and authenticity documentation are required. Prefer this over a generic authentication check when the chain of custody and theft history are the primary concern, not just physical authenticity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:37:23.177Z","isFirstParty":false}