OpenBook API

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OpenBook v4 - The HarperCollins Public API for Global Products, Contributors, and more

Run in PostmanClick the 'Run in Postman' button to import a Collection of Sample Requests or visit our OpenBook v4 Public Postman Collection

Intended Audience

This API provides public access to the HarperCollins Global Catalog of Book Titles, Authors, and related product attributes, with HCUS Trade and Childern's available by default and others available upon request.. This data is consistent with Product Data sent to HarperCollins' various business partners via ONIX, and is not intended to replace that global distribution standard.

For ONIX or API Support issues, please contact us for assistance.

Please use the left-side navigation links to learn how your application can leverage the Engage API, including Requesting Access to request a User Account for to the HarperCollins 'AnyPoint' API portal, which then enables you to create a test account by clicking Request API access.

About HarperCollins

HarperCollins Publishers is the second largest consumer book publisher in the world, with operations in 18 countries. With nearly two hundred years of history and more than 120 branded imprints around the world, HarperCollins publishes approximately 10,000 new books every year in 17 languages, and has a print and digital catalog of more than 200,000 titles. Writing across dozens of genres, HarperCollins authors include winners of the Nobel Prize, the Pulitzer Prize, the National Book Award, the Newbery and Caldecott Medals and the Man Booker Prize.

HarperCollins, headquartered in New York, is a subsidiary of News Corp (NASDAQ: NWS, NWSA; ASX: NWS, NWSLV) and can be visited online at


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