If a website requires the ability to verify that a user has a valid credit card without making a purchase, than this is the tool to use. Forward visitors to Confirm18.com to verify the authenticity of a credit card, accepting the following inputs: it's first six digits, the name of the affiliated bank, and the type of card. (VISA, Mastercard, AMEX, etc.). This makes this tool ideal for situations where you need to limit access to users over 18. If a user passes this confirmation test, they will be returned to the original site. 18confirm.com is a free service that inculdes easy developer integration.
The Gateway To Research allows users to discover and view information on the people, publications, organizations, and results for research projects sponsored by Research Councils UK. This organization invests in research across all academic disciplines, including medicine, astronomy, physics, economics, environmental sciences, and the arts. Developers can access research information using the GtR, GtR-2, or CERIF APIs.
AppMethod is an application creation and building service. AppMethod allows users to build, design, develop, and manage applications for various platforms, such as mobile, web, and tablet. The AppMethod API allows developers to access and integrate the functionality of AppMethod with other applications and to create new applications. Public documentation is not available; interested developers should start here: http://www.appmethod.com/getting-started-videos
Fluxifi is a useful platform that offers data visualization, data integration and data aggregation. Developers might find its API valuable if they want to simplify complex content from websites, applications and mobile services. Fluxifi API responds in XML or JSON. In the documentation site, the developer can find an easy guide to start the creation process that includes code samples in .NET C#, Curl, Java, Nod, PHP, Phyton, Ruby and Objective C.