The AngularJS API allows developers to access and integrate the functionality of AngularJS with other applications and to create new applications.
The National Institue of Standards and Technology (NIST), has created created AppVet. AppVet is an open-source tool that IT groups can use to test applications for use on government networks. AppVet was designed to easily integrate with third party apps and tools (e.g. antivirus software, analyzers, vulnerability repositories, etc.) through simple APIs.