Lydia Watch - Pay for things with one tap on your Apple Watch
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Apple Pay - Apple's secure way to make purchases in stores, apps and on the web.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
sweetgreen for iOS - Order, pay, rewards. It's so clean, you can eat off it.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.