The Adlib API is a command library that can be used to interact with Adlib databases. Using this API you can easily build your own applications through one of the three available methods: Url requests, Adlib.Data Windows dll or jQuery plugin.
This website offers extensive documentation, including an overview of all API commands and many examples on how to use them. You will also find links to other relevant documentation, downloads of sample code, demos and resources. A forum is also available to help you and share information with other Adlib API users.
The following Url request is an example of a Boolean search to retrieve paintings by Bernadino Fungai or William Etty
http://test2.adlibsoft.com/api/wwwopac.ashx?database=collect.inf&search=(creator='Fungai, Bernadino' or creator='Etty, William') and object_name=painting&xmltype=grouped