This API is provided by Open Library and allows you to search library data. Open Library has developed a suite of APIs to help developers get up and running with the provided reference data. They lend ebooks worldwide, and have over two million free ebooks available and 250,000 more in the lending library, where there is a web page for every book.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.