{"uid":"cap_ayhPVZde-fzXO29Mib5oM","slug":"parkland-archives-1900-sears-catalog-price-summary-dba72d4b","name":"Parkland Archives – 1900 Sears Catalog Price Summary","description":"Structured historical data from verified primary sources — 1900 Sears catalog prices, World Almanac statistics, and more. Queryable by AI agents via x402 micropayments on Base.","url":"https://history.parklandarchives.com/api/catalog-prices/summary","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"search":{"type":"string"},"category":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"byCategory":[{"count":982,"category":"books","avgPriceUsd":0.75,"maxPriceUsd":13.98,"minPriceUsd":0.03}],"avgPriceUsd":0.75,"catalogYear":1900,"maxPriceUsd":13.98,"minPriceUsd":0.03,"totalRecords":982,"pricedRecords":978}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9EZQwSn4rHi0AoD9yHowF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns aggregated price statistics (average, min, max, record counts) from the 1900 Sears catalog, filterable by product category or keyword search.","exampleAgentPrompt":"Pull up the 1900 Sears catalog price summary from Parkland Archives for the 'books' category — I want to see average, min, and max prices plus total record counts.","exampleUseCases":[{"title":"Historical inflation comparison research","prompt":"I'm writing an article on inflation — can you get me the average, min, and max prices across all categories from the 1900 Sears catalog so I can compare them to today's prices?"},{"title":"Category-specific antique valuation","prompt":"I need historical retail price data for tools from the 1900 Sears catalog — what was the average price and how many tool listings are there?"},{"title":"Academic dataset overview for economic history","prompt":"For a research project on early 20th century consumer goods, can you search the 1900 Sears catalog for 'furniture' and give me a breakdown of prices by category including record counts?"}],"resultDescription":"A JSON object containing overall statistics (average, min, max price in USD, total records, priced records, catalog year) plus a byCategory array where each entry includes the category name, count of items, and average/min/max prices — all derived from the 1900 Sears catalog dataset.","failureModes":["No results returned if search term matches no products — totalRecords will be 0","Category substring that is too broad or too narrow may return unexpected groupings","Payment failure via x402 if USDC balance is insufficient — endpoint returns 402 status","Malformed query parameters may result in 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need aggregated price statistics across the 1900 Sears catalog — especially for economic history research, inflation analysis, or academic work requiring verified primary-source retail data from turn-of-the-century America. Prefer it over general web search when you need structured, queryable, machine-readable historical pricing data with category breakdowns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:40:56.299Z","isFirstParty":false}