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Parkland Archives Bulk Catalog API
x402
Parkland Archives Bulk Catalog API is a paid API for AI agents from history.parklandarchives.com, paid per call via x402, $10/call, status unknown (last checked 2026-09-15).
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.
Price / call$10
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Historical price inflation research
“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?”
Antique valuation reference lookup
“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.”
Economic history dataset enrichment
“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.”
Technical details
Endpoint
GEThttps://history.parklandarchives.com/api/bulk/catalogWhen to prefer
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.
Side effects
- 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)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"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"
}
}Tags
x402
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