{"@context": "https://schema.org", "@type": "DataCatalog", "name": "MostExpensiveWatches Data Catalog", "url": "https://mostexpensivewatches.net/api/datasets.json", "license": "https://mostexpensivewatches.net/methodology", "termsOfService": "https://mostexpensivewatches.net/data-licensing", "generated_at": "2026-10-17T17:50:56.053914+00:00", "contact": "https://mostexpensivewatches.net/contact?subject=Data%20licensing", "licensing": "https://mostexpensivewatches.net/api/licensing.json", "openapi": "https://mostexpensivewatches.net/openapi.json", "schema": "https://mostexpensivewatches.net/api/schema.json", "fields": "https://mostexpensivewatches.net/api/fields.json", "dataset_changelog": "https://mostexpensivewatches.net/api/dataset-changelog.json", "llms": "https://mostexpensivewatches.net/llms.txt", "datasets": [{"id": "live-listings", "name": "Live luxury watch listings", "description": "Normalized public inventory records with brand, model, reference, price, merchant, material, condition, stock state and canonical URLs.", "endpoint": "https://mostexpensivewatches.net/api/listings/search", "sample": "https://mostexpensivewatches.net/api/listings/search?q=Nautilus&limit=10", "csv_sample": "https://mostexpensivewatches.net/api/samples/live-listings.csv", "jsonl_sample": "https://mostexpensivewatches.net/api/samples/live-listings.jsonl", "record_count": 13026, "update_frequency": "daily", "formats": ["json", "csv", "jsonl"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}, {"id": "references", "name": "Iconic reference database", "description": "Collector-facing reference records for historically important watches, linked to matching inventory and auction comps.", "endpoint": "https://mostexpensivewatches.net/api/references", "sample": "https://mostexpensivewatches.net/api/references/patek-philippe-nautilus-5711-1a", "csv_sample": "https://mostexpensivewatches.net/api/samples/references.csv", "jsonl_sample": "https://mostexpensivewatches.net/api/samples/references.jsonl", "record_count": 752, "update_frequency": "weekly", "formats": ["json", "csv", "jsonl"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}, {"id": "reviews", "name": "Structured collector reviews", "description": "Reference-level review payloads with collector score, verdict, market context and buying checklist in supported languages.", "endpoint": "https://mostexpensivewatches.net/api/reviews", "index": "https://mostexpensivewatches.net/api/reviews/index.json", "search": "https://mostexpensivewatches.net/api/reviews/search?q=5711&lang=es", "sample": "https://mostexpensivewatches.net/api/reviews/patek-philippe-nautilus-5711-1a?lang=es", "csv_sample": "https://mostexpensivewatches.net/api/samples/reviews.csv?lang=en", "jsonl_sample": "https://mostexpensivewatches.net/api/samples/reviews.jsonl?lang=en", "record_count": 6016, "languages": ["en", "es", "fr", "de", "it", "pt", "ja", "ar"], "update_frequency": "weekly", "formats": ["json", "csv", "jsonl"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}, {"id": "reference-alternatives", "name": "Reference alternatives", "description": "Scored comparable references with rationale, live listing stats, auction depth, review URLs and canonical alternatives pages.", "endpoint": "https://mostexpensivewatches.net/api/alternatives/search", "sample": "https://mostexpensivewatches.net/api/alternatives/search?q=5711&limit=8", "record_count": 752, "languages": ["en", "es", "fr", "de", "it", "pt", "ja", "ar"], "update_frequency": "weekly", "formats": ["json"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}, {"id": "answer-payloads", "name": "Citable answer payloads", "description": "Short localized market answers with facts, evidence links and API paths for agents, CLIs and answer engines.", "endpoint": "https://mostexpensivewatches.net/api/answers/search", "index": "https://mostexpensivewatches.net/api/answers.json?summary=1", "sample": "https://mostexpensivewatches.net/api/answers/patek-5711-market-price.json?lang=es", "record_count": 6480, "languages": ["en", "es", "fr", "de", "it", "pt", "ja", "ar"], "update_frequency": "weekly", "formats": ["json"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}, {"id": "auction-comps", "name": "Documented auction lots", "description": "Auction comp records with brand, model, reference, venue, sale context, hammer price and canonical URLs.", "endpoint": "https://mostexpensivewatches.net/api/auctions", "sample": "https://mostexpensivewatches.net/api/auctions?brand=Rolex&limit=10", "csv_sample": "https://mostexpensivewatches.net/api/samples/auction-comps.csv", "jsonl_sample": "https://mostexpensivewatches.net/api/samples/auction-comps.jsonl", "record_count": 1187, "update_frequency": "weekly", "formats": ["json", "csv", "jsonl"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}, {"id": "agent-feed", "name": "Luxury Watch Agent Feed", "description": "JSONL for third-party agents: documented auction results with primary sources (facts, CC BY 4.0) and dealer listings whose dealer gave written 'agents' permission naming its feed. Public-web listings never appear here.", "endpoint": "https://mostexpensivewatches.net/agent-feed.jsonl", "update_frequency": "hourly", "formats": ["jsonl"]}, {"id": "market-snapshot", "name": "Market snapshot", "description": "Compact one-call snapshot for agents, CLIs and prototypes: counts, top brands, featured listings, references and auction lots.", "endpoint": "https://mostexpensivewatches.net/api/snapshot.json", "sample": "https://mostexpensivewatches.net/api/snapshot.json", "record_count": 1, "update_frequency": "daily", "formats": ["json"], "commercial_access": "https://mostexpensivewatches.net/data-licensing"}]}