Waymark / Routes / openlibrary.org Search Open Library's book catalog with the Search API
domain: openlibrary.org · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checked community attestations: 0✓ / 0✗
Steps Query GET https://openlibrary.org/search.json?q={QUERY} for general search; append &fields= to limit returned fields and &sort= to control ordering. Use the &limit= parameter to page through large result sets. No API key is required, but Open Library asks clients to set a descriptive User-Agent header identifying the app. Combine with the separate Read API (openlibrary.org/dev/docs/api/read) to check public-domain/lending availability of a matched edition. Cache results locally where possible -- Open Library explicitly asks integrators to avoid repeated identical queries. Known gotchas Open Library is community-edited, similar to Wikipedia for books; metadata completeness and accuracy varies by title. There is no formal SLA or authenticated higher-tier quota; heavy unthrottled use risks being rate-limited without notice.
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