The USAePay .NET Library provides an interface for running server to server processing. The Library is for developing websites using .NET using the client side method, which provides a stable UI. The library is written in .NET.
PayOnDelivery, online payment platform that doesn't charge until delivery, has announced the PayOnDelivery API. Third party apps and websites may use the API to integrate payment processing. Developers have full access to the PayOnDelivery platform, including its keystone feature that refuses to release funds until the product lands in a consumer's hands.
SmartStream Technologies, a financial Transaction Lifecycle Management (TLM) solutions provider, has extended its Public API for collateral management, to enable its clients with faster access technology to better service their individual business needs.
Stronghold has released a set of APIs that developers can use to add to apps a variety of payment instruments including Bitcoin, Ethereum, and Lumens. The APIs also allow apps to leverage Stronghold platform capabilities such as generate quotes, trade cryptocurrencies, and get available venues.