Dollar A Day - Automatically donate $1 a day to featured nonprofits.
Google Payment API - Enable an easy-to-use checkout experience for customers
Bourgad - Each new tab becomes a donation ✨🌍
Giftbit Payment API - Stripe for gift cards
TreeClicks - Plant trees for free by shopping online 🌲🌐
ACH payments with Stripe - Accept bank payments with a few lines of code.