The way the Square API delivers JSON output makes it possible for an attacker to engage in a cross-site scripting (XSS) under certain circumstances. The vulnerability was discovered by security researcher Ajay Chavda and reported to Square on August 7, 2015 through its bounty program on hackerone.
Handshake, sales order processing platform, offers the Handshake API that allows developers to integrate Handshake with third party applications and services. Handshake allows users to write, accept, and sync orders across any device or server running the Handshake platform. Additionally, Handshake supports barcode scanning for more streamlined order processing.
Bits of Gold is a leading cryptocurrency exchange in Israel. Although cryptocurrency adoption in Israel continues to lag behind the rest of the world, Bits of Gold believes that an API that allows customers to pay in cryptocurrency and merchants to receive the value in dollars or Shekels will help.