API Terms of Use
By using any of LibraryThing's APIs you agree to our site-wide Terms of Use and the terms listed here.
- LibraryThing's APIs are available for non-commercial use only, except with permission.
- You can make only one request per second on an API.
- You access to the LibraryThing APIs are at LibraryThing's sole discretion and can be revolked at any time.