Spreadshirt Plugin is by default utlizing the API of the european platform spreadshirt.net. If you want to operate with the north american platform spreadshirt.com just set the following property within your Config.groovy:
To follow calls to Spreadshirt API, enable log level info for the class de.kabtain.groovy.sprd.HttpService. It's an internal Service that does the whole HTTP handling:
Spreadshirt Plugin utilizes Springcache for caching. To influence caching policies, put a ehcache.xml file into your configuration path that might look like following:
To configure each cache separately, please find the appropriate cache name within the SpreadshirtAPIService documentation.
Please find details about EHcache configuration in the EHcache docs.
For details in EHcache configuration