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APIs → Diff

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Revision 89 by Mek February 12, 2026
Revision 90 by Mek February 12, 2026
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0 ## [Developer Center](https://openlibrary.org/developers) → APIs 0 ## [Developer Center](https://openlibrary.org/developers) → APIs
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2 Open Library offers a suite of APIs to help developers get up and running with our data. This includes [**RESTful APIs**][4], which make Open Library data availabile in JSON, YAML and RDF/XML formats. There's also an earlier, now deprecated [JSON API][5] which is preserved for backward compatibility. 2 Open Library offers a suite of APIs to help developers get up and running with our data. This includes [**RESTful APIs**][4], which make Open Library data availabile in JSON, YAML and RDF/XML formats. There's also an earlier, now deprecated [JSON API][5] which is preserved for backward compatibility.
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4 Try out our interactive <button style="display: block" class="cta-btn cta-btn--available" href="https://openlibrary.org/swagger/docs">OpenAPI Sandbox</button> 4 Try out our interactive <button style="width: auto" class="cta-btn cta-btn--available" href="https://openlibrary.org/swagger/docs">OpenAPI Sandbox</button>
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103  [34]: https://www.npmjs.com/package/mcp-open-library 103  [34]: https://www.npmjs.com/package/mcp-open-library