User Lists:

Returns a list of user's lists.

https://www.wattpad.com/api/v3/users/{username}/lists

Field	Data Type
lists	List (List)
total	Int

Special Syntax:

?non_empty=1 can be appended to return only lists with at least one story.

https://www.wattpad.com/api/v3/users/wattpad/lists

https://www.wattpad.com/api/v3/users/wattpadexplorer/lists

https://www.wattpad.com/api/v3/users/wattpad/lists?fields=lists(id,name)