LibraryThing Web Services API

Current version


The current release version for the LibraryThing Services API.
You may direct your API calls to a specific version by changing the path in the request.

Request formats


This format is a simple HTTP GET or POST action and expects method information. Requests follow the following format:

http://www.librarything.com/services/rest/[version]/?[method_name]& [arguments as key=value separated by ampersands]&apikey=[your developer key]

example: http://www.librarything.com/services/rest/1.1/?method=librarything.ck.getwork&id=1060&apikey=d231aa37c9b4f5d304a60a3d0ad1dad4

By default, REST requests will send a REST response.

Response formats


This response is an XML block.

Here is an example REST response for the work Jonathan Strange & Mr. Norrell

JSON (coming soon)

This response is a text string in Javascript Object Notation (JSON).
Although originally designed to be a portable data solution for Javascript most other languages can also make use of the format.



You are limited to a maximum of 1,000 requests per day.

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