The Stripe Node.js Library by Stripe is a REST resource. The library API is designed for predictable, resource-oriented URLs and HTTP response codes to indicate API errors. Further, it aims to support the built-in HTTP features, like HTTP authentication and HTTP verbs with off-the-shelf HTTP clients, and the support cross-origin resource sharing to allow interaction with the API from a client-side web application. The returns are in JSON, including errors.
Signifyd, ecommerce fraud prevention service, allows developers to integrate the service with third party ecommerce platforms through the Signifyd API. The Signifyd service uses a number of data points, and allows users to give greater importance to certain points depending on need, to develop a risk score and develop a fraud assessment. From social media activities, to bank data, Signifyd takes a holistic approach to fraud prevention.