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Open Library Book Catalog Scraper (x402)
x402
Open Library Book Catalog Scraper (x402) is a paid API for AI agents from x402.186-241-26-229.sslip.io, paid per call via x402, $0.025/call, status unknown (last checked 2026-10-02).
Searches and retrieves structured book/work records from the Open Library public catalog by keyword, ISBN, title, or direct work URL, returning deduplicated metadata fields.
Price / call$0.025
Success—
StatusUnknown
How this service works
Pay-per-call structured web data. Failed or empty runs are not charged.
Output
A JSON object with a count and an array of work items. Each item includes: title, workId, workUrl, subtitle, authorKeys, authorNames, editionCount, and firstPublishYear. If includeWorkDetails is true, a description and additional filled fields are appended. Results are deduplicated by work ID across all inputs.
Example use cases
ISBN batch lookup for bibliographic data
“I have a list of ISBNs — OL66554W, OL123456W, OL789012W — can you pull structured metadata for each from Open Library, including author names, edition count, and first publish year?”
Keyword book search with descriptions
“Search Open Library for books about 'stoicism' — up to 30 results — and include a description for each one so I can understand what each book is about.”
Spanish-language book catalog query
“Find up to 100 Spanish-language books on the topic of 'historia de México' from the Open Library catalog and give me titles, authors, and how many editions each has.”
Technical details
Endpoint
POSThttps://x402.186-241-26-229.sslip.io/v1/open?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need structured bibliographic data from the Open Library public catalog — especially for batch lookups by ISBN, keyword search, or direct work URL. Prefer it over generic web scrapers when you specifically need deduplicated work-level records with author, edition, and publication year data in a clean JSON format. The pay-per-call model with no charge for failed or empty runs makes it safe to use speculatively.
Side effects
- Empty result set if search queries return no matches — not charged
- Network timeout if Open Library is slow or unavailable
- Invalid work URL format causes that item to be skipped
- Language code not recognized results in unfiltered results
- maxItems of 0 may return very large result sets depending on query
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| language | string | Optional three-letter catalog language code, such as eng or spa, to filter searches. Direct work URLs are unaffected. |
| maxItems | integer | Maximum unique work records across all inputs. Set to 0 for no explicit limit. |
| startUrls | array | Optional public work URLs or IDs, such as https://openlibrary.org/works/OL66554W. Work records are processed before searches. |
| searchQueries | array | Keywords, titles, or ISBNs to search in the public catalog. Results are deduplicated by work ID. |
| includeWorkDetails | boolean | Fetch each matching work record to add a description and fill some missing details. This uses an extra request per result. |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 1,
"items": [
{
"title": null,
"workId": null,
"workUrl": null,
"subtitle": null,
"authorKeys": null,
"authorNames": null,
"editionCount": null,
"firstPublishYear": null
}
],
"product": "open"
}
}Tags
x402
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