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SYNTHORA OpenLibrary Book Search
x402
SYNTHORA OpenLibrary Book Search is a paid API for AI agents from openlibrary-search.hergertsynthora.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Full-text search over OpenLibrary's book catalog, returning titles, authors, ISBNs, publish years, edition counts, cover IDs, and subjects ranked by relevance.
Price / call$0.02
Success—
StatusUnknown
How this service works
Full-text search over OpenLibrary's book catalog, returning titles, authors, first-publish year, ISBNs, edition counts, cover IDs and subjects ranked by relevance. A keyless bibliographic endpoint for autonomous research/library agents and agent-to-agent book-discovery and metadata-enrichment pipelines.
Output
A JSON object containing an 'ok' flag, a 'niche' identifier ('openlibrary-search'), and a 'result' field with an array of matching book records — each including title, author(s), first publish year, ISBNs, edition count, cover ID, and subjects — ranked by relevance. Provenance metadata is also included, pointing back to OpenLibrary's search API.
Example use cases
Academic research book discovery
“Find me books about the history of the Roman Empire — I need the titles, authors, subjects, and ISBNs so I can build a reading list.”
ISBN lookup for inventory enrichment
“Search OpenLibrary for 'The Great Gatsby' by F. Scott Fitzgerald and get me the ISBNs, edition count, and cover ID so I can enrich my book database.”
Subject-based book catalog exploration
“Search for books on machine learning for beginners and return me the top results with titles, authors, publish years, and subject tags.”
Technical details
Endpoint
POSThttps://openlibrary-search.hergertsynthora.com/serviceWhen to prefer
Choose this endpoint when you need keyless, pay-per-call bibliographic search over OpenLibrary's extensive catalog, especially in autonomous agent pipelines that require book discovery, ISBN resolution, edition metadata, or subject classification without managing API credentials. Prefer this over direct OpenLibrary API calls when operating in an x402 micropayment context or when building agent-to-agent metadata enrichment workflows.
Side effects
- Missing or empty query string returns error: {"error": "Missing query in payload"}
- No results found for obscure or misspelled queries — returns empty result set
- Network timeout or upstream OpenLibrary API unavailability
- Malformed request body causing parsing failure
- Very broad queries may return low-precision results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| queryrequired | string | query |
Tags
x402
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