You can now get a free 7-day trial of Nintendo Switch Online without using any My Nintendo Platinum Points until January 30 at 11:59 p.m. PT, trial can be used to access
Free Code** 7 Day Nintendo Switch Online Free Trial : r/MyNintendo
You Can Now Redeem A Seven Day Switch Online Trial From My Nintendo (North America) | Nintendo Life
Membership options | Nintendo Switch Online | Nintendo