{"uid":"cap_SctbGCYfqqsyz1ZMUiunY","slug":"parkland-archives-bulk-catalog-api-b06d0cd2","name":"Parkland Archives Bulk Catalog API","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/bulk/catalog","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"dataset":"1900 Sears, Roebuck & Co. Catalog No. 112 — verified retail prices","records":[{"id":44,"category":"books","priceUsd":0.6,"createdAt":"2026-07-14T21:51:18.595Z","materials":"cloth","uncertain":false,"flagReason":null,"itemNumber":"3T400","sourcePage":130,"catalogYear":1900,"productName":"Practical Blacksmithing, Volume I","catalogSeason":null,"sourceIdentifier":"catalogueno11200sear"}],"recordCount":15401,"coverageNote":"About three-quarters of the source catalog extracted to date; only verified records included. Future snapshots may add records at the same price.","snapshotDate":"2026-07-15"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"10","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":"$10/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_czIwmt03OsDfRrJSWdq9K","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a bulk snapshot of verified historical retail price records from the 1900 Sears, Roebuck & Co. catalog and other primary sources, queryable by AI agents via x402 micropayments.","exampleAgentPrompt":"Pull the full bulk catalog snapshot from Parkland Archives so I can see all the verified 1900 Sears, Roebuck & Co. retail prices — I want to analyze what household goods, books, and tools cost back then.","exampleUseCases":[{"title":"Historical price inflation research","prompt":"I'm writing a piece on inflation — can you grab all the 1900 Sears catalog prices from Parkland Archives so I can compare what everyday items cost then versus now?"},{"title":"Antique valuation reference lookup","prompt":"I need a reference dataset of original retail prices for items in the 1900 Sears Roebuck catalog — pull the full Parkland Archives bulk snapshot so I can cross-reference antique appraisals."},{"title":"Economic history dataset enrichment","prompt":"Can you fetch the complete Parkland Archives 1900 catalog price records? I want to enrich my economic history dataset with verified primary source retail data including item categories and source page references."}],"resultDescription":"A JSON object containing a dataset label, a snapshot date, a coverage note, the total record count (~15,401 verified records), and an array of records each including product name, category, price in USD, item number, source page, catalog year, catalog season, materials, an uncertainty flag, and a flag reason field.","failureModes":["Payment not completed via x402 — returns 402 Payment Required","Invalid or malformed query parameters — returns 400 Bad Request","Dataset temporarily unavailable — returns 503 Service Unavailable","Rate limit exceeded — returns 429 Too Many Requests","Partial dataset returned if extraction is still in progress (coverage note will indicate ~75% complete)"],"whenToPreferThis":"Choose this endpoint when you need bulk, structured, verified historical retail price data from primary sources like the 1900 Sears catalog — especially for economic research, inflation analysis, antique appraisal, or period-accurate pricing. Prefer this over general web scraping or LLM-generated estimates when data provenance and verification matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:37:57.923Z","isFirstParty":false}