Birchbox Coupon: 50 Bonus Points with $50 Purchase! Posted by Hello Subscription on May 18, 2017. Subscription Box Coupons & Deals / Birchbox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Birchbox is offering 50 bonus points on $50+ shop purchases in the What’s New Category. Just use coupon code WHATSNEW at checkout! Don’t forget to Add a Mystery Sample Pack before you check out!