Square Terminal API
The Terminal API lets developers integrate Square in-person payments so custom POS applications can use Square Terminal for card chip and NFC payments, with EMV certification and PCI compliance built in.
Documentation
Documentation
https://developer.squareup.com/docs/terminal-api/overview
APIReference
https://developer.squareup.com/reference/square/terminal-api
Specifications
OpenAPI
#In-Person Payments
#Point of Sale
#Terminal