Chargify .NET SDK by Chargify. This additional resource for Windows development interacts with the API capabilities of products, subscriptions, and customers. Opportunities of development include applications related to payments that add subscriptions, statements, refunds, and invoice billing functionalities. Authored by Kori Francis on GitHub.
ODesk claims to be the future of work, or more recently: "Work 3.0." So it should come as no surprise that the next version of work comes with an API. If you’re not familiar with the platform, oDesk provides contractors and companies with a hourly billing system which both verifies the work done for the company, and guarantees payment to the contractor.
In Microsoft's journey to make Office an open developer platform, the company has taken the next step by making the Excel REST API generally available. Now developers can integrate the business productivity tool with third party services like accounting software, emails, surveys, etc.