The official Google Shopping Content Node.js SDK in Alpha stage access the JSON API, offering opportunities to list ads, drive traffic, and increase sales. It supports authorization with OAuth 2.0. It contains resources to migrate to version 2x, create a service client, generate an authentication URL, upload media, and expose a request object. By Ryan Seys, Engineer at Google working on Android.
Square is moving beyond the retail terminal thanks to a handful of new APIs meant to help companies accept payments in more places. The E-Commerce API and Register API target retailers large and small with a simple set of tools that integrate fully with Square's payment processing platform.
Escrow.com has announced a beta version of its Platform API. Through the API, third party apps and services can integrate the escrow services Escrow.com has long been known for. Once integrated, apps and services can hold money in trust until a transaction has fully completed.