Giftagram - Discover and deliver gifts easily through an app
Giftbit Payment API - Stripe for gift cards
Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.
Raise - The easiest way to save money on the go
Gemnote - Handwritten cards & premium custom gifts for companies
Patreon - Patreon enables fans to give ongoing support to their favorite creators.