# Services from history.parklandarchives.com on Zero

> history.parklandarchives.com serves 7 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/history.parklandarchives.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/history.parklandarchives.com/health.json

## Services

- [Parkland Archives Almanac Records](https://www.zero.xyz/c/parkland-archives-almanac-records-4a505eb4/llms.txt): $0.02/call via x402. Retrieves structured historical statistics from verified primary sources (1900 World Almanac, Sears catalog, etc.) filterable by year, category, and keyword search
- [Parkland Archives: 1900 Sears Catalog Price Modern Value Converter](https://www.zero.xyz/c/parkland-archives-1900-sears-catalog-price-modern-value-converter-0aff3211/llms.txt): $0.06/call via x402. Looks up a 1900 Sears catalog item by item number or raw price and returns its inflation-adjusted modern USD equivalent using Federal Reserve CPI data.
- [Parkland Archives – 1900 Sears Catalog Price Summary](https://www.zero.xyz/c/parkland-archives-1900-sears-catalog-price-summary-dba72d4b/llms.txt): $0.04/call via x402. Returns aggregated price statistics (average, min, max, record counts) from the 1900 Sears catalog, filterable by product category or keyword search.
- [Parkland Archives – Historical Catalog Prices](https://www.zero.xyz/c/parkland-archives-historical-catalog-prices-b2aa380a/llms.txt): $0.02/call via x402. Returns structured price and product records from historical catalogs (e.g. 1900 Sears) filtered by year, category, and keyword search
- [Parkland Archives Bulk Catalog API](https://www.zero.xyz/c/parkland-archives-bulk-catalog-api-b06d0cd2/llms.txt): $10/call via x402. 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.
- [Parkland Archives – 1900 Sears Catalog Item Price Lookup](https://www.zero.xyz/c/parkland-archives-1900-sears-catalog-item-price-lookup-4f45b183/llms.txt): $0.01/call via x402. Returns structured historical price and product data for a specific item from the 1900 Sears catalog, queried by item number.
- [Parkland Archives — World Almanac Bulk Dataset](https://www.zero.xyz/c/parkland-archives-world-almanac-bulk-dataset-1d2e9c4d/llms.txt): $7.5/call via x402. Returns the full bulk dataset of structured, verified historical statistics from the 1900 World Almanac and Encyclopedia, queryable via x402 micropayment on Base.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)