API source from https://opentdb.com
Code 0: Success Returned results successfully. Code 1: No Results Could not return results. The API doesn't have enough questions for your query. Code 2: Invalid Parameter Contains an invalid parameter. Arguements passed in aren't valid. (Ex. Amount = Five) Code 3: Token Not Found Session Token does not exist. Code 4: Token Empty Session Token has returned all possible questions for the specified query. Resetting the Token is necessary.