The Item Search API base URL has the following format:
The components of the base URL is described here:
Custom Domain – A unique URL is required, which must be a custom domain. For example,
www.mywebstore.com is a custom domain.
Items – This API is designed to query item records in your NetSuite account. Note that
/api/items in the URL is part of the path and it is required. You cannot assign a value to it.
Parameters – You can use parameters defined by NetSuite along with values from your account. You can use multiple parameters in an Item Search API request by separating them with an ampersand (&). Parameters are typically name-value pairs, such as
fieldset=details. For more information, see Item Search API Input Parameters.