The GoCardless .NET Client Library is an official and simple .NET interface to the GoCardless API. GoCardless recommends using NuGet for installation. GoCardless is a service that lets users accept online payments. With the API, users can create subscriptions and automated bills. In addition, the API can read existing resources and create bills under a pre-existing authorization.
SumUp, a mobile payments rising star, recently announced an API that allows third party apps to accept credit card and cash payments without leaving the app. Prior to the API, SumUp users and customers were required to use the SumUp app in isolation from the merchant app to utilize the slick mobile payments platform.
Payza introduced a new Bitcoin SendMoney API that enables merchants to send payment to recipients inside and outside of the Payza network. Because Bitcoin is a true peer-to-peer digital currency, Payza's latest API is able to use the currency to send payments directly to the Bitcoin address.